Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Alaska Airlines

The cheapest airline(s) flying from Washington to Seattle is Alaska Airlines.

  • Alaska Airlines Alaska Airlines
  • American Airlines American Airlines
  • United Airlines United Airlines
  • Southwest Airlines Southwest Airlines
Cheapest Month February

Travel Period: February 2025 - January 2026

The cheapest month(s) to fly from Washington to Seattle is February.

  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
  • Jan 2026
Cheapest Day of the Week Thursday

The cheapest day(s) of the week to fly from Washington to Seattle is Thursday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Thu, 2 Jan, 2025

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      • Availability
        • M
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      • 07:30 DCA
        13:24 SEA
        8Hrs, 54m Direct
      • DCAWashington Ronald Reagan National Airport 07:30 - SEA 13:24 8h 54m Direct
      • DCAWashington Ronald Reagan National Airport 07:30
      • SEASeattle/Tacoma International Airport 13:24
      • 8h 54m
      • Direct
      • United Airlines (UA 1540)Airbus
      • United Airlines (UA 1540)
        • -
        • -
        • -
        • -
        • -
        • S
        • S
      • Airbus
      • 07:30 DCA
        12:14 SEA
        7Hrs, 44m Direct
      • DCAWashington Ronald Reagan National Airport 07:30 - SEA 12:14 7h 44m Direct
      • DCAWashington Ronald Reagan National Airport 07:30
      • SEASeattle/Tacoma International Airport 12:14
      • 7h 44m
      • Direct
      • United Airlines (UA 1540)Airbus
      • United Airlines (UA 1540)
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        • -
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        • -
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      • Airbus
      • 08:35 IAD
        11:33 SEA
        5Hrs, 58m Direct
      • IADWashington Dulles International Airport 08:35 - SEA 11:33 5h 58m Direct
      • IADWashington Dulles International Airport 08:35
      • SEASeattle/Tacoma International Airport 11:33
      • 5h 58m
      • Direct
      • United Airlines (UA 1964)Airbus
      • United Airlines (UA 1964)
        • -
        • -
        • -
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        • -
        • -
        • S
      • Airbus
      • 08:35 IAD
        11:33 SEA
        5Hrs, 58m Direct
      • IADWashington Dulles International Airport 08:35 - SEA 11:33 5h 58m Direct
      • IADWashington Dulles International Airport 08:35
      • SEASeattle/Tacoma International Airport 11:33
      • 5h 58m
      • Direct
      • United Airlines (UA 1964)Airbus
      • United Airlines (UA 1964)
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      • Airbus
      • 12:35 IAD
        19:05 SEA
        9Hrs, 30m Direct
      • IADWashington Dulles International Airport 12:35 - SEA 19:05 9h 30m Direct
      • IADWashington Dulles International Airport 12:35
      • SEASeattle/Tacoma International Airport 19:05
      • 9h 30m
      • Direct
      • United Airlines (UA 1657)Boeing 737 900
      • United Airlines (UA 1657)
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      • Boeing 737 900
      • 12:35 IAD
        19:05 SEA
        9Hrs, 30m Direct
      • IADWashington Dulles International Airport 12:35 - SEA 19:05 9h 30m Direct
      • IADWashington Dulles International Airport 12:35
      • SEASeattle/Tacoma International Airport 19:05
      • 9h 30m
      • Direct
      • United Airlines (UA 1657)Boeing 737 Max 9 Passenger
      • United Airlines (UA 1657)
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      • Boeing 737 Max 9 Passenger
      • 20:00 IAD
        00:50 SEA
        7Hrs, 50m 1 Stop (DEN)
      • IADWashington Dulles International Airport 20:00 - SEA 00:50 7h 50m 1 Stop (DEN) Denver
      • IADWashington Dulles International Airport 20:00
        DENDenver Intl Airport 22:50
      • DENDenver Intl Airport 22:00
        SEASeattle/Tacoma International Airport 00:50
      • 7h 50m (50m)
      • 1 Stop DEN · Denver 50m
      • Southwest Airlines (WN 1130)Boeing 737 700
        Southwest Airlines (WN 540)Boeing 737 700
      • Southwest Airlines (WN 1130)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 05:00 BWI
        12:49 SEA
        10Hrs, 49m 1 Stop (CLT)
      • BWIBaltimore Washington International Airport 05:00 - SEA 12:49 10h 49m 1 Stop (CLT) Charlotte
      • BWIBaltimore Washington International Airport 05:00
        CLTCharlotte Airport 09:48
      • CLTCharlotte Airport 06:43
        SEASeattle/Tacoma International Airport 12:49
      • 10h 49m (3h 05m)
      • 1 Stop CLT · Charlotte 3h 05m
      • American Airlines (AA 1439)Airbus
        American Airlines (AA 2407)Airbus
      • American Airlines (AA 1439)
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      • 05:00 DCA
        12:49 SEA
        10Hrs, 49m 1 Stop (CLT)
      • DCAWashington Ronald Reagan National Airport 05:00 - SEA 12:49 10h 49m 1 Stop (CLT) Charlotte
      • DCAWashington Ronald Reagan National Airport 05:00
        CLTCharlotte Airport 09:48
      • CLTCharlotte Airport 06:39
        SEASeattle/Tacoma International Airport 12:49
      • 10h 49m (3h 09m)
      • 1 Stop CLT · Charlotte 3h 09m
      • American Airlines (AA 2841)Airbus
        American Airlines (AA 2407)Airbus A321 Neo
      • American Airlines (AA 2841)
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      • 05:00 IAD
        12:49 SEA
        10Hrs, 49m 1 Stop (CLT)
      • IADWashington Dulles International Airport 05:00 - SEA 12:49 10h 49m 1 Stop (CLT) Charlotte
      • IADWashington Dulles International Airport 05:00
        CLTCharlotte Airport 09:48
      • CLTCharlotte Airport 06:39
        SEASeattle/Tacoma International Airport 12:49
      • 10h 49m (3h 09m)
      • 1 Stop CLT · Charlotte 3h 09m
      • American Airlines (AA 5463)Canadair Regional
        American Airlines (AA 2407)Airbus
      • American Airlines (AA 5463)
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      • 05:05 IAD
        13:00 SEA
        10Hrs, 55m 1 Stop (DEN)
      • IADWashington Dulles International Airport 05:05 - SEA 13:00 10h 55m 1 Stop (DEN) Denver
      • IADWashington Dulles International Airport 05:05
        DENDenver Intl Airport 11:00
      • DENDenver Intl Airport 07:00
        SEASeattle/Tacoma International Airport 13:00
      • 10h 55m (4h)
      • 1 Stop DEN · Denver 4h
      • Southwest Airlines (WN 513)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1061)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 513)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 05:59 DCA
        12:45 SEA
        9Hrs, 46m 1 Stop (ORD)
      • DCAWashington Ronald Reagan National Airport 05:59 - SEA 12:45 9h 46m 1 Stop (ORD) Chicago
      • DCAWashington Ronald Reagan National Airport 05:59
        ORDChicago O'Hare International Airport 09:55
      • ORDChicago O'Hare International Airport 07:19
        SEASeattle/Tacoma International Airport 12:45
      • 9h 46m (2h 36m)
      • 1 Stop ORD · Chicago 2h 36m
      • American Airlines (AA 2903)Boeing 737 800
        American Airlines (AA 2398)Boeing 737 800
      • American Airlines (AA 2903)
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      • 06:00 BWI
        12:48 SEA
        9Hrs, 48m 1 Stop (IAH)
      • BWIBaltimore Washington International Airport 06:00 - SEA 12:48 9h 48m 1 Stop (IAH) Houston
      • BWIBaltimore Washington International Airport 06:00
        IAHHouston George Bush Intercontinental Airport 09:50
      • IAHHouston George Bush Intercontinental Airport 08:44
        SEASeattle/Tacoma International Airport 12:48
      • 9h 48m (1h 06m)
      • 1 Stop IAH · Houston 1h 06m
      • United Airlines (UA 2128)Boeing 737 Max 8 Passenger
        United Airlines (UA 2606)Boeing 737 900
      • United Airlines (UA 2128)
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        • -
      • 06:05 BWI
        12:25 SEA
        9Hrs, 20m 1 Stop (LAS)
      • BWIBaltimore Washington International Airport 06:05 - SEA 12:25 9h 20m 1 Stop (LAS) Las Vegas
      • BWIBaltimore Washington International Airport 06:05
        LASLas Vegas McCarran International Airport 09:35
      • LASLas Vegas McCarran International Airport 08:25
        SEASeattle/Tacoma International Airport 12:25
      • 9h 20m (1h 10m)
      • 1 Stop LAS · Las Vegas 1h 10m
      • Southwest Airlines (WN 690)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1060)Boeing 737 700
      • Southwest Airlines (WN 690)
        • -
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        • -
        • -
        • -
        • -
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      • 06:20 BWI
        14:05 SEA
        10Hrs, 45m 1 Stop (PHX)
      • BWIBaltimore Washington International Airport 06:20 - SEA 14:05 10h 45m 1 Stop (PHX) Phoenix
      • BWIBaltimore Washington International Airport 06:20
        PHXPhoenix Sky Harbor Intl Airport 11:50
      • PHXPhoenix Sky Harbor Intl Airport 09:45
        SEASeattle/Tacoma International Airport 14:05
      • 10h 45m (2h 05m)
      • 1 Stop PHX · Phoenix 2h 05m
      • Southwest Airlines (WN 646)Boeing 737 800
        Southwest Airlines (WN 341)Boeing 737 700
      • Southwest Airlines (WN 646)
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      • 06:20 BWI
        14:15 SEA
        10Hrs, 55m 1 Stop (PHX)
      • BWIBaltimore Washington International Airport 06:20 - SEA 14:15 10h 55m 1 Stop (PHX) Phoenix
      • BWIBaltimore Washington International Airport 06:20
        PHXPhoenix Sky Harbor Intl Airport 12:00
      • PHXPhoenix Sky Harbor Intl Airport 09:45
        SEASeattle/Tacoma International Airport 14:15
      • 10h 55m (2h 15m)
      • 1 Stop PHX · Phoenix 2h 15m
      • Southwest Airlines (WN 646)Boeing 737 800
        Southwest Airlines (WN 1490)Boeing 737 800
      • Southwest Airlines (WN 646)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:20 BWI
        13:24 SEA
        10Hrs, 04m 1 Stop (ORD)
      • BWIBaltimore Washington International Airport 06:20 - SEA 13:24 10h 04m 1 Stop (ORD) Chicago
      • BWIBaltimore Washington International Airport 06:20
        ORDChicago O'Hare International Airport 10:35
      • ORDChicago O'Hare International Airport 07:39
        SEASeattle/Tacoma International Airport 13:24
      • 10h 04m (2h 56m)
      • 1 Stop ORD · Chicago 2h 56m
      • United Airlines (UA 461)Boeing 737 Max 9 Passenger
        United Airlines (UA 1540)Airbus
      • United Airlines (UA 461)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 06:35 BWI
        13:00 SEA
        9Hrs, 25m 1 Stop (DEN)
      • BWIBaltimore Washington International Airport 06:35 - SEA 13:00 9h 25m 1 Stop (DEN) Denver
      • BWIBaltimore Washington International Airport 06:35
        DENDenver Intl Airport 11:00
      • DENDenver Intl Airport 08:50
        SEASeattle/Tacoma International Airport 13:00
      • 9h 25m (2h 10m)
      • 1 Stop DEN · Denver 2h 10m
      • Southwest Airlines (WN 381)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1061)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 381)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:45 BWI
        12:49 SEA
        9Hrs, 04m 1 Stop (CLT)
      • BWIBaltimore Washington International Airport 06:45 - SEA 12:49 9h 04m 1 Stop (CLT) Charlotte
      • BWIBaltimore Washington International Airport 06:45
        CLTCharlotte Airport 09:48
      • CLTCharlotte Airport 08:35
        SEASeattle/Tacoma International Airport 12:49
      • 9h 04m (1h 13m)
      • 1 Stop CLT · Charlotte 1h 13m
      • American Airlines (AA 2758)Boeing 737 800
        American Airlines (AA 2407)Airbus A321 Neo
      • American Airlines (AA 2758)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:55 DCA
        12:25 SEA
        8Hrs, 30m 1 Stop (MDW)
      • DCAWashington Ronald Reagan National Airport 06:55 - SEA 12:25 8h 30m 1 Stop (MDW) Chicago
      • DCAWashington Ronald Reagan National Airport 06:55
        MDWChicago Midway Airport 09:45
      • MDWChicago Midway Airport 08:05
        SEASeattle/Tacoma International Airport 12:25
      • 8h 30m (1h 40m)
      • 1 Stop MDW · Chicago 1h 40m
      • Southwest Airlines (WN 940)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 4350)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 940)
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      • 07:00 DCA
        14:12 SEA
        10Hrs, 12m 1 Stop (PHX)
      • DCAWashington Ronald Reagan National Airport 07:00 - SEA 14:12 10h 12m 1 Stop (PHX) Phoenix
      • DCAWashington Ronald Reagan National Airport 07:00
        PHXPhoenix Sky Harbor Intl Airport 11:40
      • PHXPhoenix Sky Harbor Intl Airport 10:22
        SEASeattle/Tacoma International Airport 14:12
      • 10h 12m (1h 18m)
      • 1 Stop PHX · Phoenix 1h 18m
      • American Airlines (AA 2844)Airbus A321 Neo
        American Airlines (AA 4819)Crj 700 Canadair Regional
      • American Airlines (AA 2844)
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      • 07:00 BWI
        12:10 SEA
        8Hrs, 10m 1 Stop (DEN)
      • BWIBaltimore Washington International Airport 07:00 - SEA 12:10 8h 10m 1 Stop (DEN) Denver
      • BWIBaltimore Washington International Airport 07:00
        DENDenver Intl Airport 10:05
      • DENDenver Intl Airport 09:15
        SEASeattle/Tacoma International Airport 12:10
      • 8h 10m (50m)
      • 1 Stop DEN · Denver 50m
      • Southwest Airlines (WN 1194)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 4435)Boeing 737 800
      • Southwest Airlines (WN 1194)
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        • -
        • -
        • -
        • -
      • 07:00 DCA
        12:45 SEA
        8Hrs, 45m 1 Stop (ORD)
      • DCAWashington Ronald Reagan National Airport 07:00 - SEA 12:45 8h 45m 1 Stop (ORD) Chicago
      • DCAWashington Ronald Reagan National Airport 07:00
        ORDChicago O'Hare International Airport 09:55
      • ORDChicago O'Hare International Airport 08:27
        SEASeattle/Tacoma International Airport 12:45
      • 8h 45m (1h 28m)
      • 1 Stop ORD · Chicago 1h 28m
      • American Airlines (AA 2033)Boeing 737 800
        American Airlines (AA 2398)Boeing 737 800
      • American Airlines (AA 2033)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 07:00 DCA
        13:10 SEA
        9Hrs, 10m 1 Stop (DEN)
      • DCAWashington Ronald Reagan National Airport 07:00 - SEA 13:10 9h 10m 1 Stop (DEN) Denver
      • DCAWashington Ronald Reagan National Airport 07:00
        DENDenver Intl Airport 11:00
      • DENDenver Intl Airport 09:20
        SEASeattle/Tacoma International Airport 13:10
      • 9h 10m (1h 40m)
      • 1 Stop DEN · Denver 1h 40m
      • Frontier Airlines (F9 685)Airbus A320 Neo
        Frontier Airlines (F9 1175)Airbus A320 Neo
      • Frontier Airlines (F9 685)
        • M
        • T
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        • T
        • -
        • -
        • S
      • 07:00 DCA
        13:10 SEA
        9Hrs, 10m 1 Stop (DEN)
      • DCAWashington Ronald Reagan National Airport 07:00 - SEA 13:10 9h 10m 1 Stop (DEN) Denver
      • DCAWashington Ronald Reagan National Airport 07:00
        DENDenver Intl Airport 11:00
      • DENDenver Intl Airport 09:20
        SEASeattle/Tacoma International Airport 13:10
      • 9h 10m (1h 40m)
      • 1 Stop DEN · Denver 1h 40m
      • Frontier Airlines (F9 685)Airbus
        Frontier Airlines (F9 1175)Airbus
      • Frontier Airlines (F9 685)
        • -
        • -
        • -
        • -
        • F
        • S
        • -
      • 07:25 IAD
        12:10 SEA
        7Hrs, 45m 1 Stop (DEN)
      • IADWashington Dulles International Airport 07:25 - SEA 12:10 7h 45m 1 Stop (DEN) Denver
      • IADWashington Dulles International Airport 07:25
        DENDenver Intl Airport 10:05
      • DENDenver Intl Airport 09:20
        SEASeattle/Tacoma International Airport 12:10
      • 7h 45m (45m)
      • 1 Stop DEN · Denver 45m
      • Southwest Airlines (WN 513)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 4435)Boeing 737 800
      • Southwest Airlines (WN 513)
        • -
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        • W
        • -
        • -
        • -
        • -
      • 07:25 BWI
        12:25 SEA
        8Hrs, 00m 1 Stop (MDW)
      • BWIBaltimore Washington International Airport 07:25 - SEA 12:25 8h 1 Stop (MDW) Chicago
      • BWIBaltimore Washington International Airport 07:25
        MDWChicago Midway Airport 09:45
      • MDWChicago Midway Airport 08:30
        SEASeattle/Tacoma International Airport 12:25
      • 8h (1h 15m)
      • 1 Stop MDW · Chicago 1h 15m
      • Southwest Airlines (WN 1204)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 4350)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1204)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • 07:55 BWI
        12:25 SEA
        7Hrs, 30m 1 Stop (MDW)
      • BWIBaltimore Washington International Airport 07:55 - SEA 12:25 7h 30m 1 Stop (MDW) Chicago
      • BWIBaltimore Washington International Airport 07:55
        MDWChicago Midway Airport 09:45
      • MDWChicago Midway Airport 09:00
        SEASeattle/Tacoma International Airport 12:25
      • 7h 30m (45m)
      • 1 Stop MDW · Chicago 45m
      • Southwest Airlines (WN 1204)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 4350)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1204)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 07:59 DCA
        14:50 SEA
        9Hrs, 51m 1 Stop (DFW)
      • DCAWashington Ronald Reagan National Airport 07:59 - SEA 14:50 9h 51m 1 Stop (DFW) Dallas
      • DCAWashington Ronald Reagan National Airport 07:59
        DFWDallas/Fort Worth Intl Airport 12:19
      • DFWDallas/Fort Worth Intl Airport 10:48
        SEASeattle/Tacoma International Airport 14:50
      • 9h 51m (1h 31m)
      • 1 Stop DFW · Dallas 1h 31m
      • American Airlines (AA 1428)Boeing 737 800
        American Airlines (AA 2405)Airbus
      • American Airlines (AA 1428)
        • M
        • T
        • -
        • T
        • F
        • -
        • S
      • 08:00 DCA
        14:50 SEA
        9Hrs, 50m 1 Stop (DFW)
      • DCAWashington Ronald Reagan National Airport 08:00 - SEA 14:50 9h 50m 1 Stop (DFW) Dallas
      • DCAWashington Ronald Reagan National Airport 08:00
        DFWDallas/Fort Worth Intl Airport 12:19
      • DFWDallas/Fort Worth Intl Airport 10:48
        SEASeattle/Tacoma International Airport 14:50
      • 9h 50m (1h 31m)
      • 1 Stop DFW · Dallas 1h 31m
      • American Airlines (AA 1428)Boeing 737 800
        American Airlines (AA 2405)Airbus
      • American Airlines (AA 1428)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 08:15 IAD
        15:25 SEA
        10Hrs, 10m 1 Stop (SFO)
      • IADWashington Dulles International Airport 08:15 - SEA 15:25 10h 10m 1 Stop (SFO) San Francisco
      • IADWashington Dulles International Airport 08:15
        SFOSan Francisco International Airport 13:05
      • SFOSan Francisco International Airport 11:05
        SEASeattle/Tacoma International Airport 15:25
      • 10h 10m (2h)
      • 1 Stop SFO · San Francisco 2h
      • United Airlines (UA 2440)Boeing 787 8
        United Airlines (UA 2650)Boeing 737 800
      • United Airlines (UA 2440)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 08:15 IAD
        14:15 SEA
        9Hrs, 00m 1 Stop (SFO)
      • IADWashington Dulles International Airport 08:15 - SEA 14:15 9h 1 Stop (SFO) San Francisco
      • IADWashington Dulles International Airport 08:15
        SFOSan Francisco International Airport 11:50
      • SFOSan Francisco International Airport 11:05
        SEASeattle/Tacoma International Airport 14:15
      • 9h (45m)
      • 1 Stop SFO · San Francisco 45m
      • United Airlines (UA 2440)Boeing 787 8
        United Airlines (UA 5760)Embraer 175
      • United Airlines (UA 2440)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 08:25 IAD
        15:25 SEA
        10Hrs, 00m 1 Stop (SFO)
      • IADWashington Dulles International Airport 08:25 - SEA 15:25 10h 1 Stop (SFO) San Francisco
      • IADWashington Dulles International Airport 08:25
        SFOSan Francisco International Airport 13:05
      • SFOSan Francisco International Airport 11:19
        SEASeattle/Tacoma International Airport 15:25
      • 10h (1h 46m)
      • 1 Stop SFO · San Francisco 1h 46m
      • United Airlines (UA 1116)Boeing 787 8
        United Airlines (UA 2650)Boeing 737 800
      • United Airlines (UA 1116)
        • M
        • T
        • -
        • T
        • F
        • -
        • S
      • 08:30 DCA
        16:11 SEA
        10Hrs, 41m 1 Stop (ORD)
      • DCAWashington Ronald Reagan National Airport 08:30 - SEA 16:11 10h 41m 1 Stop (ORD) Chicago
      • DCAWashington Ronald Reagan National Airport 08:30
        ORDChicago O'Hare International Airport 13:25
      • ORDChicago O'Hare International Airport 09:48
        SEASeattle/Tacoma International Airport 16:11
      • 10h 41m (3h 37m)
      • 1 Stop ORD · Chicago 3h 37m
      • United Airlines (UA 1316)Airbus
        United Airlines (UA 1485)Airbus
      • United Airlines (UA 1316)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • 08:35 IAD
        16:11 SEA
        10Hrs, 36m 1 Stop (ORD)
      • IADWashington Dulles International Airport 08:35 - SEA 16:11 10h 36m 1 Stop (ORD) Chicago
      • IADWashington Dulles International Airport 08:35
        ORDChicago O'Hare International Airport 13:25
      • ORDChicago O'Hare International Airport 09:55
        SEASeattle/Tacoma International Airport 16:11
      • 10h 36m (3h 30m)
      • 1 Stop ORD · Chicago 3h 30m
      • United Airlines (UA 1710)Airbus
        United Airlines (UA 1485)Airbus
      • United Airlines (UA 1710)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 09:00 IAD
        16:53 SEA
        10Hrs, 53m 1 Stop (SFO)
      • IADWashington Dulles International Airport 09:00 - SEA 16:53 10h 53m 1 Stop (SFO) San Francisco
      • IADWashington Dulles International Airport 09:00
        SFOSan Francisco International Airport 14:36
      • SFOSan Francisco International Airport 12:03
        SEASeattle/Tacoma International Airport 16:53
      • 10h 53m (2h 33m)
      • 1 Stop SFO · San Francisco 2h 33m
      • Alaska Airlines (AS 435)Boeing 737 800
        Alaska Airlines (AS 1059)Boeing 737 Max 9 Passenger
      • Alaska Airlines (AS 435)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 09:00 IAD
        16:56 SEA
        10Hrs, 56m 1 Stop (SFO)
      • IADWashington Dulles International Airport 09:00 - SEA 16:56 10h 56m 1 Stop (SFO) San Francisco
      • IADWashington Dulles International Airport 09:00
        SFOSan Francisco International Airport 14:36
      • SFOSan Francisco International Airport 12:03
        SEASeattle/Tacoma International Airport 16:56
      • 10h 56m (2h 33m)
      • 1 Stop SFO · San Francisco 2h 33m
      • Alaska Airlines (AS 435)Boeing 737
        Alaska Airlines (AS 1059)Boeing 737 900
      • Alaska Airlines (AS 435)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 09:20 DCA
        16:24 SEA
        10Hrs, 04m 1 Stop (LAX)
      • DCAWashington Ronald Reagan National Airport 09:20 - SEA 16:24 10h 04m 1 Stop (LAX) Los Angeles
      • DCAWashington Ronald Reagan National Airport 09:20
        LAXLos Angeles International Airport 13:23
      • LAXLos Angeles International Airport 12:23
        SEASeattle/Tacoma International Airport 16:24
      • 10h 04m (1h)
      • 1 Stop LAX · Los Angeles 1h
      • Alaska Airlines (AS 5)Boeing 737 800
        Alaska Airlines (AS 1083)Boeing 737 800
      • Alaska Airlines (AS 5)
        • M
        • T
        • W
        • T
        • -
        • -
        • -
      • 09:30 BWI
        17:25 SEA
        10Hrs, 55m 1 Stop (DEN)
      • BWIBaltimore Washington International Airport 09:30 - SEA 17:25 10h 55m 1 Stop (DEN) Denver
      • BWIBaltimore Washington International Airport 09:30
        DENDenver Intl Airport 15:25
      • DENDenver Intl Airport 11:35
        SEASeattle/Tacoma International Airport 17:25
      • 10h 55m (3h 50m)
      • 1 Stop DEN · Denver 3h 50m
      • Southwest Airlines (WN 2932)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 3772)Boeing 737 800
      • Southwest Airlines (WN 2932)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 09:50 BWI
        18:04 SEA
        11Hrs, 14m 1 Stop (DEN)
      • BWIBaltimore Washington International Airport 09:50 - SEA 18:04 11h 14m 1 Stop (DEN) Denver
      • BWIBaltimore Washington International Airport 09:50
        DENDenver Intl Airport 15:59
      • DENDenver Intl Airport 12:01
        SEASeattle/Tacoma International Airport 18:04
      • 11h 14m (3h 58m)
      • 1 Stop DEN · Denver 3h 58m
      • United Airlines (UA 1252)Boeing 737 900
        United Airlines (UA 745)Airbus
      • United Airlines (UA 1252)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 10:30 DCA
        16:11 SEA
        8Hrs, 41m 1 Stop (ORD)
      • DCAWashington Ronald Reagan National Airport 10:30 - SEA 16:11 8h 41m 1 Stop (ORD) Chicago
      • DCAWashington Ronald Reagan National Airport 10:30
        ORDChicago O'Hare International Airport 13:25
      • ORDChicago O'Hare International Airport 11:58
        SEASeattle/Tacoma International Airport 16:11
      • 8h 41m (1h 27m)
      • 1 Stop ORD · Chicago 1h 27m
      • United Airlines (UA 3544)Embraer 175
        United Airlines (UA 1485)Airbus
      • United Airlines (UA 3544)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 11:25 BWI
        18:40 SEA
        10Hrs, 15m 1 Stop (DEN)
      • BWIBaltimore Washington International Airport 11:25 - SEA 18:40 10h 15m 1 Stop (DEN) Denver
      • BWIBaltimore Washington International Airport 11:25
        DENDenver Intl Airport 16:40
      • DENDenver Intl Airport 13:30
        SEASeattle/Tacoma International Airport 18:40
      • 10h 15m (3h 10m)
      • 1 Stop DEN · Denver 3h 10m
      • Southwest Airlines (WN 3447)Boeing 737 800
        Southwest Airlines (WN 1458)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 3447)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 11:30 DCA
        18:41 SEA
        10Hrs, 11m 1 Stop (ORD)
      • DCAWashington Ronald Reagan National Airport 11:30 - SEA 18:41 10h 11m 1 Stop (ORD) Chicago
      • DCAWashington Ronald Reagan National Airport 11:30
        ORDChicago O'Hare International Airport 15:55
      • ORDChicago O'Hare International Airport 12:48
        SEASeattle/Tacoma International Airport 18:41
      • 10h 11m (3h 07m)
      • 1 Stop ORD · Chicago 3h 07m
      • United Airlines (UA 587)Airbus
        United Airlines (UA 2278)Airbus
      • United Airlines (UA 587)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 11:30 DCA
        16:11 SEA
        7Hrs, 41m 1 Stop (ORD)
      • DCAWashington Ronald Reagan National Airport 11:30 - SEA 16:11 7h 41m 1 Stop (ORD) Chicago
      • DCAWashington Ronald Reagan National Airport 11:30
        ORDChicago O'Hare International Airport 13:25
      • ORDChicago O'Hare International Airport 12:48
        SEASeattle/Tacoma International Airport 16:11
      • 7h 41m (37m)
      • 1 Stop ORD · Chicago 37m
      • United Airlines (UA 587)Airbus
        United Airlines (UA 1485)Airbus
      • United Airlines (UA 587)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 11:40 DCA
        17:00 SEA
        8Hrs, 20m 1 Stop (MKE)
      • DCAWashington Ronald Reagan National Airport 11:40 - SEA 17:00 8h 20m 1 Stop (MKE) Milwaukee
      • DCAWashington Ronald Reagan National Airport 11:40
        MKEMilwaukee General Mitchell Intl Airport 14:22
      • MKEMilwaukee General Mitchell Intl Airport 12:48
        SEASeattle/Tacoma International Airport 17:00
      • 8h 20m (1h 34m)
      • 1 Stop MKE · Milwaukee 1h 34m
      • American Airlines (AA 5637)Crj 700 Canadair Regional
        Alaska Airlines (AS 323)Boeing 737 900
      • American Airlines (AA 5637)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 12:25 BWI
        19:55 SEA
        10Hrs, 30m 1 Stop (MDW)
      • BWIBaltimore Washington International Airport 12:25 - SEA 19:55 10h 30m 1 Stop (MDW) Chicago
      • BWIBaltimore Washington International Airport 12:25
        MDWChicago Midway Airport 17:15
      • MDWChicago Midway Airport 13:30
        SEASeattle/Tacoma International Airport 19:55
      • 10h 30m (3h 45m)
      • 1 Stop MDW · Chicago 3h 45m
      • Southwest Airlines (WN 2833)Boeing 737 800
        Southwest Airlines (WN 4380)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 2833)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 12:35 IAD
        18:04 SEA
        8Hrs, 29m 1 Stop (DEN)
      • IADWashington Dulles International Airport 12:35 - SEA 18:04 8h 29m 1 Stop (DEN) Denver
      • IADWashington Dulles International Airport 12:35
        DENDenver Intl Airport 15:59
      • DENDenver Intl Airport 14:43
        SEASeattle/Tacoma International Airport 18:04
      • 8h 29m (1h 16m)
      • 1 Stop DEN · Denver 1h 16m
      • United Airlines (UA 1937)Boeing 737 800
        United Airlines (UA 745)Boeing 737 Max 9 Passenger
      • United Airlines (UA 1937)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 12:35 DCA
        19:19 SEA
        9Hrs, 44m 1 Stop (IAH)
      • DCAWashington Ronald Reagan National Airport 12:35 - SEA 19:19 9h 44m 1 Stop (IAH) Houston
      • DCAWashington Ronald Reagan National Airport 12:35
        IAHHouston George Bush Intercontinental Airport 16:22
      • IAHHouston George Bush Intercontinental Airport 15:20
        SEASeattle/Tacoma International Airport 19:19
      • 9h 44m (1h 02m)
      • 1 Stop IAH · Houston 1h 02m
      • United Airlines (UA 382)Airbus
        United Airlines (UA 522)Boeing 737 900
      • United Airlines (UA 382)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 12:40 DCA
        19:55 SEA
        10Hrs, 15m 1 Stop (MDW)
      • DCAWashington Ronald Reagan National Airport 12:40 - SEA 19:55 10h 15m 1 Stop (MDW) Chicago
      • DCAWashington Ronald Reagan National Airport 12:40
        MDWChicago Midway Airport 17:15
      • MDWChicago Midway Airport 13:45
        SEASeattle/Tacoma International Airport 19:55
      • 10h 15m (3h 30m)
      • 1 Stop MDW · Chicago 3h 30m
      • Southwest Airlines (WN 2578)Boeing 737 700
        Southwest Airlines (WN 4380)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 2578)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 12:55 IAD
        19:17 SEA
        9Hrs, 22m 1 Stop (IAH)
      • IADWashington Dulles International Airport 12:55 - SEA 19:17 9h 22m 1 Stop (IAH) Houston
      • IADWashington Dulles International Airport 12:55
        IAHHouston George Bush Intercontinental Airport 16:20
      • IAHHouston George Bush Intercontinental Airport 15:33
        SEASeattle/Tacoma International Airport 19:17
      • 9h 22m (47m)
      • 1 Stop IAH · Houston 47m
      • United Airlines (UA 1344)Airbus
        United Airlines (UA 522)Boeing 737 900
      • United Airlines (UA 1344)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 12:58 DCA
        21:10 SEA
        11Hrs, 12m 1 Stop (CLE)
      • DCAWashington Ronald Reagan National Airport 12:58 - SEA 21:10 11h 12m 1 Stop (CLE) Cleveland
      • DCAWashington Ronald Reagan National Airport 12:58
        CLECleveland Hopkins International Airport 18:59
      • CLECleveland Hopkins International Airport 14:29
        SEASeattle/Tacoma International Airport 21:10
      • 11h 12m (4h 30m)
      • 1 Stop CLE · Cleveland 4h 30m
      • American Airlines (AA 5615)Crj 700 Canadair Regional
        Alaska Airlines (AS 216)Boeing 737 Max 9 Passenger
      • American Airlines (AA 5615)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 13:12 BWI
        19:05 SEA
        8Hrs, 53m 1 Stop (CLT)
      • BWIBaltimore Washington International Airport 13:12 - SEA 19:05 8h 53m 1 Stop (CLT) Charlotte
      • BWIBaltimore Washington International Airport 13:12
        CLTCharlotte Airport 16:18
      • CLTCharlotte Airport 14:50
        SEASeattle/Tacoma International Airport 19:05
      • 8h 53m (1h 28m)
      • 1 Stop CLT · Charlotte 1h 28m
      • American Airlines (AA 1495)Airbus
        American Airlines (AA 506)Airbus
      • American Airlines (AA 1495)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 13:12 BWI
        21:01 SEA
        10Hrs, 49m 1 Stop (CLT)
      • BWIBaltimore Washington International Airport 13:12 - SEA 21:01 10h 49m 1 Stop (CLT) Charlotte
      • BWIBaltimore Washington International Airport 13:12
        CLTCharlotte Airport 18:13
      • CLTCharlotte Airport 14:50
        SEASeattle/Tacoma International Airport 21:01
      • 10h 49m (3h 23m)
      • 1 Stop CLT · Charlotte 3h 23m
      • American Airlines (AA 1495)Airbus
        American Airlines (AA 2793)Airbus
      • American Airlines (AA 1495)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 13:30 BWI
        21:01 SEA
        10Hrs, 31m 1 Stop (CLT)
      • BWIBaltimore Washington International Airport 13:30 - SEA 21:01 10h 31m 1 Stop (CLT) Charlotte
      • BWIBaltimore Washington International Airport 13:30
        CLTCharlotte Airport 18:13
      • CLTCharlotte Airport 15:08
        SEASeattle/Tacoma International Airport 21:01
      • 10h 31m (3h 05m)
      • 1 Stop CLT · Charlotte 3h 05m
      • American Airlines (AA 1495)Airbus
        American Airlines (AA 2793)Airbus
      • American Airlines (AA 1495)
        • M
        • T
        • W
        • T
        • F
        • -
        • S
      • 13:31 DCA
        21:01 SEA
        10Hrs, 30m 1 Stop (CLT)
      • DCAWashington Ronald Reagan National Airport 13:31 - SEA 21:01 10h 30m 1 Stop (CLT) Charlotte
      • DCAWashington Ronald Reagan National Airport 13:31
        CLTCharlotte Airport 18:13
      • CLTCharlotte Airport 15:10
        SEASeattle/Tacoma International Airport 21:01
      • 10h 30m (3h 03m)
      • 1 Stop CLT · Charlotte 3h 03m
      • American Airlines (AA 5033)Canadair Regional
        American Airlines (AA 2793)Airbus
      • American Airlines (AA 5033)
        • M
        • T
        • W
        • T
        • F
        • -
        • S
      • 13:44 DCA
        21:36 SEA
        10Hrs, 52m 1 Stop (BNA)
      • DCAWashington Ronald Reagan National Airport 13:44 - SEA 21:36 10h 52m 1 Stop (BNA) Nashville
      • DCAWashington Ronald Reagan National Airport 13:44
        BNANashville Airport 18:19
      • BNANashville Airport 14:45
        SEASeattle/Tacoma International Airport 21:36
      • 10h 52m (3h 34m)
      • 1 Stop BNA · Nashville 3h 34m
      • American Airlines (AA 5029)Crj 700 Canadair Regional
        Alaska Airlines (AS 411)Boeing 737 Max 9 Passenger
      • American Airlines (AA 5029)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
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      What’s the fastest flight time from Washington to Seattle?

      The fastest flight time for direct flights from Washington to Seattle is 5 hours 58 minutes. Check latest flight schedules & prices on Wego.

      How far is Seattle from Washington?

      The flight distance between Washington and Seattle is 3736km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 05:00. The last flight of the day departs at 20:00. See the full list of flight times on Wego.

      How many airlines offer direct flights from Washington to Seattle?

      There are 1 airlines that offer direct flights from Washington to Seattle. Find out the list of airlines on Wego.

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