Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline United Airlines

The cheapest airline(s) flying from Buffalo to Seattle is United Airlines.

  • United Airlines United Airlines
  • American Airlines American Airlines
  • Southwest Airlines Southwest Airlines
  • JetBlue Airways JetBlue Airways
  • Alaska Airlines Alaska Airlines
Cheapest Month December

Travel Period: December 2024 - November 2025

The cheapest month(s) to fly from Buffalo to Seattle is December.

  • Dec 2024
  • Jan 2025
  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
Cheapest Day of the Week Thursday

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

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

Flight Schedules

Last Updated: Sat, 2 Nov, 2024

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      • Availability
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      • 23:59 ORD
        20:53 EWR
        10Hrs, 30m 1 Stop (SEA)
      • ORDChicago O'Hare International Airport 23:59 - EWR 20:53 10h 30m 1 Stop (SEA) Seattle
      • ORDChicago O'Hare International Airport 23:59
        BUFBuffalo Airport 19:15
      • SEASeattle/Tacoma International Airport 02:45
        EWRNewark Liberty International Airport 20:53
      • 10h 30m (1h 35m)
      • 1 Stop SEA · Seattle 1h 35m
      • United Airlines (UA 1381)Airbus
        United Airlines (UA 4389)Canadair Regional Jet 550
      • United Airlines (UA 1381)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 23:59 ORD
        21:11 IAD
        9Hrs, 53m 1 Stop (SEA)
      • ORDChicago O'Hare International Airport 23:59 - IAD 21:11 9h 53m 1 Stop (SEA) Seattle
      • ORDChicago O'Hare International Airport 23:59
        BUFBuffalo Airport 19:50
      • SEASeattle/Tacoma International Airport 02:43
        IADWashington Dulles International Airport 21:11
      • 9h 53m (1h 44m)
      • 1 Stop SEA · Seattle 1h 44m
      • United Airlines (UA 1381)Airbus
        United Airlines (UA 4266)Embraer
      • United Airlines (UA 1381)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 23:59 ORD
        21:12 IAD
        9Hrs, 55m 1 Stop (SEA)
      • ORDChicago O'Hare International Airport 23:59 - IAD 21:12 9h 55m 1 Stop (SEA) Seattle
      • ORDChicago O'Hare International Airport 23:59
        BUFBuffalo Airport 19:50
      • SEASeattle/Tacoma International Airport 02:45
        IADWashington Dulles International Airport 21:12
      • 9h 55m (1h 43m)
      • 1 Stop SEA · Seattle 1h 43m
      • United Airlines (UA 1381)Airbus
        United Airlines (UA 4858)Embraer
      • United Airlines (UA 1381)
        • -
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        • -
        • -
        • -
        • S
        • -
      • 22:00 BUF
        02:43 SEA
        7Hrs, 43m 1 Stop (ORD)
      • BUFBuffalo Airport 22:00 - SEA 02:43 7h 43m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 22:00
        ORDChicago O'Hare International Airport 23:59
      • ORDChicago O'Hare International Airport 22:57
        SEASeattle/Tacoma International Airport 02:43
      • 7h 43m (1h 02m)
      • 1 Stop ORD · Chicago 1h 02m
      • United Airlines (UA 334)Airbus
        United Airlines (UA 1381)Airbus
      • United Airlines (UA 334)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 22:00 BUF
        02:45 SEA
        7Hrs, 45m 1 Stop (ORD)
      • BUFBuffalo Airport 22:00 - SEA 02:45 7h 45m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 22:00
        ORDChicago O'Hare International Airport 23:59
      • ORDChicago O'Hare International Airport 22:57
        SEASeattle/Tacoma International Airport 02:45
      • 7h 45m (1h 02m)
      • 1 Stop ORD · Chicago 1h 02m
      • United Airlines (UA 334)Airbus
        United Airlines (UA 1381)Airbus
      • United Airlines (UA 334)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 05:00 BUF
        14:15 SEA
        12Hrs, 15m 1 Stop (PHX)
      • BUFBuffalo Airport 05:00 - SEA 14:15 12h 15m 1 Stop (PHX) Phoenix
      • BUFBuffalo Airport 05:00
        PHXPhoenix Sky Harbor Intl Airport 12:00
      • PHXPhoenix Sky Harbor Intl Airport 07:55
        SEASeattle/Tacoma International Airport 14:15
      • 12h 15m (4h 05m)
      • 1 Stop PHX · Phoenix 4h 05m
      • Southwest Airlines (WN 4517)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1490)Boeing 737 800
      • Southwest Airlines (WN 4517)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 05:14 BUF
        11:05 SEA
        8Hrs, 51m 1 Stop (DCA)
      • BUFBuffalo Airport 05:14 - SEA 11:05 8h 51m 1 Stop (DCA) Washington
      • BUFBuffalo Airport 05:14
        DCAWashington Ronald Reagan National Airport 08:00
      • DCAWashington Ronald Reagan National Airport 06:40
        SEASeattle/Tacoma International Airport 11:05
      • 8h 51m (1h 20m)
      • 1 Stop DCA · Washington 1h 20m
      • American Airlines (AA 4796)Embraer Emb 175
        Alaska Airlines (AS 1)Boeing 737 800
      • American Airlines (AA 4796)
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      • 05:30 BUF
        11:05 SEA
        8Hrs, 35m 1 Stop (DCA)
      • BUFBuffalo Airport 05:30 - SEA 11:05 8h 35m 1 Stop (DCA) Washington
      • BUFBuffalo Airport 05:30
        DCAWashington Ronald Reagan National Airport 08:00
      • DCAWashington Ronald Reagan National Airport 06:54
        SEASeattle/Tacoma International Airport 11:05
      • 8h 35m (1h 06m)
      • 1 Stop DCA · Washington 1h 06m
      • American Airlines (AA 5174)Crj 700 Canadair Regional
        Alaska Airlines (AS 1)Boeing 737 800
      • American Airlines (AA 5174)
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      • 05:40 BUF
        11:05 SEA
        8Hrs, 25m 1 Stop (DCA)
      • BUFBuffalo Airport 05:40 - SEA 11:05 8h 25m 1 Stop (DCA) Washington
      • BUFBuffalo Airport 05:40
        DCAWashington Ronald Reagan National Airport 08:00
      • DCAWashington Ronald Reagan National Airport 07:04
        SEASeattle/Tacoma International Airport 11:05
      • 8h 25m (56m)
      • 1 Stop DCA · Washington 56m
      • American Airlines (AA 5174)Crj 700 Canadair Regional
        Alaska Airlines (AS 1)Boeing 737 800
      • American Airlines (AA 5174)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:00 BUF
        11:35 SEA
        8Hrs, 35m 1 Stop (IAD)
      • BUFBuffalo Airport 06:00 - SEA 11:35 8h 35m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:00
        IADWashington Dulles International Airport 08:35
      • IADWashington Dulles International Airport 07:21
        SEASeattle/Tacoma International Airport 11:35
      • 8h 35m (1h 14m)
      • 1 Stop IAD · Washington 1h 14m
      • United Airlines (UA 3428)Embraer 175
        United Airlines (UA 1964)Boeing 737 700
      • United Airlines (UA 3428)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 06:00 BUF
        11:35 SEA
        8Hrs, 35m 1 Stop (IAD)
      • BUFBuffalo Airport 06:00 - SEA 11:35 8h 35m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:00
        IADWashington Dulles International Airport 08:35
      • IADWashington Dulles International Airport 07:21
        SEASeattle/Tacoma International Airport 11:35
      • 8h 35m (1h 14m)
      • 1 Stop IAD · Washington 1h 14m
      • United Airlines (UA 3428)Embraer 170
        United Airlines (UA 1964)Boeing 737 900
      • United Airlines (UA 3428)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 06:00 BUF
        11:35 SEA
        8Hrs, 35m 1 Stop (IAD)
      • BUFBuffalo Airport 06:00 - SEA 11:35 8h 35m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:00
        IADWashington Dulles International Airport 08:35
      • IADWashington Dulles International Airport 07:21
        SEASeattle/Tacoma International Airport 11:35
      • 8h 35m (1h 14m)
      • 1 Stop IAD · Washington 1h 14m
      • United Airlines (UA 3428)Embraer 170
        United Airlines (UA 1964)Boeing 737 700
      • United Airlines (UA 3428)
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        • S
      • 06:00 BUF
        12:59 SEA
        9Hrs, 59m 1 Stop (CLT)
      • BUFBuffalo Airport 06:00 - SEA 12:59 9h 59m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 06:00
        CLTCharlotte Airport 10:10
      • CLTCharlotte Airport 08:02
        SEASeattle/Tacoma International Airport 12:59
      • 9h 59m (2h 08m)
      • 1 Stop CLT · Charlotte 2h 08m
      • American Airlines (AA 1204)Airbus
        American Airlines (AA 2407)Airbus
      • American Airlines (AA 1204)
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        • S
      • 11:00 DEN
        06:50 MDW
        9Hrs, 55m 1 Stop (SEA)
      • DENDenver Intl Airport 11:00 - MDW 06:50 9h 55m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:00
        BUFBuffalo Airport 06:05
      • SEASeattle/Tacoma International Airport 13:00
        MDWChicago Midway Airport 06:50
      • 9h 55m (2h 30m)
      • 1 Stop SEA · Seattle 2h 30m
      • Southwest Airlines (WN 1061)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1360)Boeing 737 700
      • Southwest Airlines (WN 1061)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:10 BUF
        11:10 SEA
        8Hrs, 00m 1 Stop (MDW)
      • BUFBuffalo Airport 06:10 - SEA 11:10 8h 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 06:10
        MDWChicago Midway Airport 08:30
      • MDWChicago Midway Airport 06:55
        SEASeattle/Tacoma International Airport 11:10
      • 8h (1h 35m)
      • 1 Stop MDW · Chicago 1h 35m
      • Southwest Airlines (WN 1360)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1541)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1360)
        • -
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        • -
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        • -
        • -
        • -
      • 06:42 BUF
        13:10 SEA
        9Hrs, 28m 1 Stop (DFW)
      • BUFBuffalo Airport 06:42 - SEA 13:10 9h 28m 1 Stop (DFW) Dallas
      • BUFBuffalo Airport 06:42
        DFWDallas/Fort Worth Intl Airport 10:27
      • DFWDallas/Fort Worth Intl Airport 09:20
        SEASeattle/Tacoma International Airport 13:10
      • 9h 28m (1h 07m)
      • 1 Stop DFW · Dallas 1h 07m
      • American Airlines (AA 882)Airbus
        American Airlines (AA 1992)Airbus
      • American Airlines (AA 882)
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        • S
      • 06:42 BUF
        14:55 SEA
        11Hrs, 13m 1 Stop (DFW)
      • BUFBuffalo Airport 06:42 - SEA 14:55 11h 13m 1 Stop (DFW) Dallas
      • BUFBuffalo Airport 06:42
        DFWDallas/Fort Worth Intl Airport 12:26
      • DFWDallas/Fort Worth Intl Airport 09:20
        SEASeattle/Tacoma International Airport 14:55
      • 11h 13m (3h 06m)
      • 1 Stop DFW · Dallas 3h 06m
      • American Airlines (AA 882)Airbus
        American Airlines (AA 2405)Airbus
      • American Airlines (AA 882)
        • M
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        • S
      • 06:45 BUF
        15:35 SEA
        11Hrs, 50m 1 Stop (DEN)
      • BUFBuffalo Airport 06:45 - SEA 15:35 11h 50m 1 Stop (DEN) Denver
      • BUFBuffalo Airport 06:45
        DENDenver Intl Airport 13:35
      • DENDenver Intl Airport 08:30
        SEASeattle/Tacoma International Airport 15:35
      • 11h 50m (5h 05m)
      • 1 Stop DEN · Denver 5h 05m
      • Southwest Airlines (WN 363)Boeing 737 700
        Southwest Airlines (WN 3022)Boeing 737 800
      • Southwest Airlines (WN 363)
        • -
        • -
        • -
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        • -
        • -
        • -
      • 07:00 BUF
        11:33 SEA
        7Hrs, 33m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 11:33 7h 33m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 08:45
      • ORDChicago O'Hare International Airport 07:57
        SEASeattle/Tacoma International Airport 11:33
      • 7h 33m (48m)
      • 1 Stop ORD · Chicago 48m
      • United Airlines (UA 329)Boeing 737 700
        United Airlines (UA 2005)Airbus
      • United Airlines (UA 329)
        • -
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        • -
        • -
        • -
      • 07:00 BUF
        12:08 SEA
        8Hrs, 08m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:08 8h 08m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:20
      • ORDChicago O'Hare International Airport 07:57
        SEASeattle/Tacoma International Airport 12:08
      • 8h 08m (1h 23m)
      • 1 Stop ORD · Chicago 1h 23m
      • United Airlines (UA 329)Boeing 737 700
        United Airlines (UA 2005)Boeing 737 900
      • United Airlines (UA 329)
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        • -
        • -
        • -
        • -
      • 07:00 BUF
        12:08 SEA
        8Hrs, 08m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:08 8h 08m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:20
      • ORDChicago O'Hare International Airport 07:57
        SEASeattle/Tacoma International Airport 12:08
      • 8h 08m (1h 23m)
      • 1 Stop ORD · Chicago 1h 23m
      • United Airlines (UA 329)Boeing 737 700
        United Airlines (UA 2005)Airbus
      • United Airlines (UA 329)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 07:00 BUF
        12:08 SEA
        8Hrs, 08m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:08 8h 08m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:20
      • ORDChicago O'Hare International Airport 07:57
        SEASeattle/Tacoma International Airport 12:08
      • 8h 08m (1h 23m)
      • 1 Stop ORD · Chicago 1h 23m
      • United Airlines (UA 329)Boeing 737 700
        United Airlines (UA 2005)Airbus
      • United Airlines (UA 329)
        • M
        • -
        • -
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        • F
        • -
        • -
      • 07:00 BUF
        12:08 SEA
        8Hrs, 08m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:08 8h 08m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:20
      • ORDChicago O'Hare International Airport 07:57
        SEASeattle/Tacoma International Airport 12:08
      • 8h 08m (1h 23m)
      • 1 Stop ORD · Chicago 1h 23m
      • United Airlines (UA 329)Airbus
        United Airlines (UA 2005)Boeing 737 800
      • United Airlines (UA 329)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 07:00 BUF
        12:08 SEA
        8Hrs, 08m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:08 8h 08m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:20
      • ORDChicago O'Hare International Airport 07:57
        SEASeattle/Tacoma International Airport 12:08
      • 8h 08m (1h 23m)
      • 1 Stop ORD · Chicago 1h 23m
      • United Airlines (UA 329)Boeing 737 700
        United Airlines (UA 2005)Boeing 737 800
      • United Airlines (UA 329)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 07:00 BUF
        12:40 SEA
        8Hrs, 40m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:40 8h 40m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:55
      • ORDChicago O'Hare International Airport 07:58
        SEASeattle/Tacoma International Airport 12:40
      • 8h 40m (1h 57m)
      • 1 Stop ORD · Chicago 1h 57m
      • American Airlines (AA 4053)Embraer 170
        American Airlines (AA 2398)Boeing 737 800
      • American Airlines (AA 4053)
        • M
        • T
        • W
        • T
        • -
        • -
        • S
      • 11:50 DEN
        07:57 ORD
        9Hrs, 57m 1 Stop (SEA)
      • DENDenver Intl Airport 11:50 - ORD 07:57 9h 57m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:50
        BUFBuffalo Airport 07:00
      • SEASeattle/Tacoma International Airport 13:57
        ORDChicago O'Hare International Airport 07:57
      • 9h 57m (2h 03m)
      • 1 Stop SEA · Seattle 2h 03m
      • United Airlines (UA 423)Airbus
        United Airlines (UA 329)Boeing 737 700
      • United Airlines (UA 423)
        • -
        • -
        • W
        • T
        • -
        • -
        • -
      • 11:50 DEN
        07:57 ORD
        9Hrs, 57m 1 Stop (SEA)
      • DENDenver Intl Airport 11:50 - ORD 07:57 9h 57m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:50
        BUFBuffalo Airport 07:00
      • SEASeattle/Tacoma International Airport 13:57
        ORDChicago O'Hare International Airport 07:57
      • 9h 57m (2h 03m)
      • 1 Stop SEA · Seattle 2h 03m
      • United Airlines (UA 423)Boeing 737 800
        United Airlines (UA 329)Boeing 737 700
      • United Airlines (UA 423)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 11:50 DEN
        07:57 ORD
        9Hrs, 57m 1 Stop (SEA)
      • DENDenver Intl Airport 11:50 - ORD 07:57 9h 57m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:50
        BUFBuffalo Airport 07:00
      • SEASeattle/Tacoma International Airport 13:57
        ORDChicago O'Hare International Airport 07:57
      • 9h 57m (2h 03m)
      • 1 Stop SEA · Seattle 2h 03m
      • United Airlines (UA 423)Boeing 737 Max 8 Passenger
        United Airlines (UA 329)Boeing 737 700
      • United Airlines (UA 423)
        • M
        • T
        • -
        • -
        • F
        • -
        • -
      • 11:50 DEN
        07:57 ORD
        9Hrs, 57m 1 Stop (SEA)
      • DENDenver Intl Airport 11:50 - ORD 07:57 9h 57m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:50
        BUFBuffalo Airport 07:00
      • SEASeattle/Tacoma International Airport 13:57
        ORDChicago O'Hare International Airport 07:57
      • 9h 57m (2h 03m)
      • 1 Stop SEA · Seattle 2h 03m
      • United Airlines (UA 423)Boeing 737 Max 8 Passenger
        United Airlines (UA 329)Airbus
      • United Airlines (UA 423)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 07:15 BUF
        16:00 SEA
        11Hrs, 45m 1 Stop (MDW)
      • BUFBuffalo Airport 07:15 - SEA 16:00 11h 45m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 07:15
        MDWChicago Midway Airport 13:25
      • MDWChicago Midway Airport 08:00
        SEASeattle/Tacoma International Airport 16:00
      • 11h 45m (5h 25m)
      • 1 Stop MDW · Chicago 5h 25m
      • Southwest Airlines (WN 1360)Boeing 737 800
        Southwest Airlines (WN 3199)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1360)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 07:30 BUF
        12:25 SEA
        7Hrs, 55m 1 Stop (MDW)
      • BUFBuffalo Airport 07:30 - SEA 12:25 7h 55m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 07:30
        MDWChicago Midway Airport 09:45
      • MDWChicago Midway Airport 08:15
        SEASeattle/Tacoma International Airport 12:25
      • 7h 55m (1h 30m)
      • 1 Stop MDW · Chicago 1h 30m
      • Southwest Airlines (WN 1360)Boeing 737 800
        Southwest Airlines (WN 1048)Boeing 737 700
      • Southwest Airlines (WN 1360)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 08:07 BUF
        16:03 SEA
        10Hrs, 56m 1 Stop (ORD)
      • BUFBuffalo Airport 08:07 - SEA 16:03 10h 56m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 08:07
        ORDChicago O'Hare International Airport 13:19
      • ORDChicago O'Hare International Airport 09:05
        SEASeattle/Tacoma International Airport 16:03
      • 10h 56m (4h 14m)
      • 1 Stop ORD · Chicago 4h 14m
      • American Airlines (AA 4053)Embraer 170
        Alaska Airlines (AS 335)Boeing 737 900
      • American Airlines (AA 4053)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 08:10 BUF
        12:25 SEA
        7Hrs, 15m 1 Stop (MDW)
      • BUFBuffalo Airport 08:10 - SEA 12:25 7h 15m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 08:10
        MDWChicago Midway Airport 09:45
      • MDWChicago Midway Airport 08:55
        SEASeattle/Tacoma International Airport 12:25
      • 7h 15m (50m)
      • 1 Stop MDW · Chicago 50m
      • Southwest Airlines (WN 1360)Boeing 737 800
        Southwest Airlines (WN 4350)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1360)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 16:04 DEN
        11:54 IAD
        10Hrs, 32m 1 Stop (SEA)
      • DENDenver Intl Airport 16:04 - IAD 11:54 10h 32m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 16:04
        BUFBuffalo Airport 10:33
      • SEASeattle/Tacoma International Airport 18:05
        IADWashington Dulles International Airport 11:54
      • 10h 32m (2h 03m)
      • 1 Stop SEA · Seattle 2h 03m
      • United Airlines (UA 759)Boeing 737 900
        United Airlines (UA 4875)Embraer
      • United Airlines (UA 759)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 10:55 BUF
        17:20 SEA
        9Hrs, 25m 1 Stop (LAS)
      • BUFBuffalo Airport 10:55 - SEA 17:20 9h 25m 1 Stop (LAS) Las Vegas
      • BUFBuffalo Airport 10:55
        LASLas Vegas McCarran International Airport 14:30
      • LASLas Vegas McCarran International Airport 12:50
        SEASeattle/Tacoma International Airport 17:20
      • 9h 25m (1h 40m)
      • 1 Stop LAS · Las Vegas 1h 40m
      • Southwest Airlines (WN 4303)Boeing 737 700
        Southwest Airlines (WN 1949)Boeing 737 800
      • Southwest Airlines (WN 4303)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 11:04 BUF
        16:03 SEA
        7Hrs, 59m 1 Stop (ORD)
      • BUFBuffalo Airport 11:04 - SEA 16:03 7h 59m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 11:04
        ORDChicago O'Hare International Airport 13:19
      • ORDChicago O'Hare International Airport 12:01
        SEASeattle/Tacoma International Airport 16:03
      • 7h 59m (1h 18m)
      • 1 Stop ORD · Chicago 1h 18m
      • American Airlines (AA 4093)Embraer 170
        Alaska Airlines (AS 335)Boeing 737 900
      • American Airlines (AA 4093)
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      • 11:06 BUF
        16:03 SEA
        7Hrs, 57m 1 Stop (ORD)
      • BUFBuffalo Airport 11:06 - SEA 16:03 7h 57m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 11:06
        ORDChicago O'Hare International Airport 13:19
      • ORDChicago O'Hare International Airport 12:03
        SEASeattle/Tacoma International Airport 16:03
      • 7h 57m (1h 16m)
      • 1 Stop ORD · Chicago 1h 16m
      • American Airlines (AA 4093)Embraer 170
        Alaska Airlines (AS 335)Boeing 737 Max 9 Passenger
      • American Airlines (AA 4093)
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      • 11:06 BUF
        16:03 SEA
        7Hrs, 57m 1 Stop (ORD)
      • BUFBuffalo Airport 11:06 - SEA 16:03 7h 57m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 11:06
        ORDChicago O'Hare International Airport 13:19
      • ORDChicago O'Hare International Airport 12:03
        SEASeattle/Tacoma International Airport 16:03
      • 7h 57m (1h 16m)
      • 1 Stop ORD · Chicago 1h 16m
      • American Airlines (AA 4093)Embraer 170
        Alaska Airlines (AS 335)Boeing 737 900
      • American Airlines (AA 4093)
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      • 11:50 BUF
        18:20 SEA
        9Hrs, 30m 1 Stop (CLT)
      • BUFBuffalo Airport 11:50 - SEA 18:20 9h 30m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 11:50
        CLTCharlotte Airport 15:30
      • CLTCharlotte Airport 13:47
        SEASeattle/Tacoma International Airport 18:20
      • 9h 30m (1h 43m)
      • 1 Stop CLT · Charlotte 1h 43m
      • American Airlines (AA 1476)Airbus
        American Airlines (AA 506)Airbus
      • American Airlines (AA 1476)
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        • -
        • -
        • -
        • F
        • -
        • -
      • 11:50 BUF
        20:55 SEA
        12Hrs, 05m 1 Stop (CLT)
      • BUFBuffalo Airport 11:50 - SEA 20:55 12h 05m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 11:50
        CLTCharlotte Airport 18:04
      • CLTCharlotte Airport 13:47
        SEASeattle/Tacoma International Airport 20:55
      • 12h 05m (4h 17m)
      • 1 Stop CLT · Charlotte 4h 17m
      • American Airlines (AA 1476)Airbus
        American Airlines (AA 2793)Airbus
      • American Airlines (AA 1476)
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        • -
        • -
        • -
        • F
        • -
        • -
      • 11:52 BUF
        18:20 SEA
        9Hrs, 28m 1 Stop (CLT)
      • BUFBuffalo Airport 11:52 - SEA 18:20 9h 28m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 11:52
        CLTCharlotte Airport 15:30
      • CLTCharlotte Airport 13:49
        SEASeattle/Tacoma International Airport 18:20
      • 9h 28m (1h 41m)
      • 1 Stop CLT · Charlotte 1h 41m
      • American Airlines (AA 1476)Airbus
        American Airlines (AA 506)Airbus
      • American Airlines (AA 1476)
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      • 11:52 BUF
        20:55 SEA
        12Hrs, 03m 1 Stop (CLT)
      • BUFBuffalo Airport 11:52 - SEA 20:55 12h 03m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 11:52
        CLTCharlotte Airport 18:04
      • CLTCharlotte Airport 13:49
        SEASeattle/Tacoma International Airport 20:55
      • 12h 03m (4h 15m)
      • 1 Stop CLT · Charlotte 4h 15m
      • American Airlines (AA 1476)Airbus
        American Airlines (AA 2793)Airbus
      • American Airlines (AA 1476)
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      • 12:00 BUF
        20:20 SEA
        11Hrs, 20m 1 Stop (DEN)
      • BUFBuffalo Airport 12:00 - SEA 20:20 11h 20m 1 Stop (DEN) Denver
      • BUFBuffalo Airport 12:00
        DENDenver Intl Airport 18:20
      • DENDenver Intl Airport 13:40
        SEASeattle/Tacoma International Airport 20:20
      • 11h 20m (4h 40m)
      • 1 Stop DEN · Denver 4h 40m
      • Southwest Airlines (WN 2414)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 540)Boeing 737 800
      • Southwest Airlines (WN 2414)
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        • T
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      • 12:21 BUF
        20:40 SEA
        11Hrs, 19m 1 Stop (DEN)
      • BUFBuffalo Airport 12:21 - SEA 20:40 11h 19m 1 Stop (DEN) Denver
      • BUFBuffalo Airport 12:21
        DENDenver Intl Airport 18:29
      • DENDenver Intl Airport 14:13
        SEASeattle/Tacoma International Airport 20:40
      • 11h 19m (4h 16m)
      • 1 Stop DEN · Denver 4h 16m
      • Frontier Airlines (F9 2751)Airbus A320 Neo
        Frontier Airlines (F9 3405)Airbus A320 Neo
      • Frontier Airlines (F9 2751)
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      • 12:35 BUF
        20:35 SEA
        11Hrs, 00m 1 Stop (DCA)
      • BUFBuffalo Airport 12:35 - SEA 20:35 11h 1 Stop (DCA) Washington
      • BUFBuffalo Airport 12:35
        DCAWashington Ronald Reagan National Airport 17:40
      • DCAWashington Ronald Reagan National Airport 13:59
        SEASeattle/Tacoma International Airport 20:35
      • 11h (3h 41m)
      • 1 Stop DCA · Washington 3h 41m
      • American Airlines (AA 5213)Crj 700 Canadair Regional
        Alaska Airlines (AS 3)Boeing 737 Max 8 Passenger
      • American Airlines (AA 5213)
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        • -
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        • F
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        • -
      • 12:35 BUF
        20:35 SEA
        11Hrs, 00m 1 Stop (DCA)
      • BUFBuffalo Airport 12:35 - SEA 20:35 11h 1 Stop (DCA) Washington
      • BUFBuffalo Airport 12:35
        DCAWashington Ronald Reagan National Airport 17:40
      • DCAWashington Ronald Reagan National Airport 13:59
        SEASeattle/Tacoma International Airport 20:35
      • 11h (3h 41m)
      • 1 Stop DCA · Washington 3h 41m
      • American Airlines (AA 5213)Crj 700 Canadair Regional
        Alaska Airlines (AS 3)Boeing 737 800
      • American Airlines (AA 5213)
        • M
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        • S
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      • 13:23 BUF
        22:37 SEA
        12Hrs, 14m 1 Stop (EWR)
      • BUFBuffalo Airport 13:23 - SEA 22:37 12h 14m 1 Stop (EWR) New York City
      • BUFBuffalo Airport 13:23
        EWRNewark Liberty International Airport 19:10
      • EWRNewark Liberty International Airport 15:00
        SEASeattle/Tacoma International Airport 22:37
      • 12h 14m (4h 10m)
      • 1 Stop EWR · New York City 4h 10m
      • United Airlines (UA 3436)Embraer 175
        United Airlines (UA 2044)Boeing 737 Max 8 Passenger
      • United Airlines (UA 3436)
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      • 13:23 BUF
        22:37 SEA
        12Hrs, 14m 1 Stop (EWR)
      • BUFBuffalo Airport 13:23 - SEA 22:37 12h 14m 1 Stop (EWR) New York City
      • BUFBuffalo Airport 13:23
        EWRNewark Liberty International Airport 19:10
      • EWRNewark Liberty International Airport 15:00
        SEASeattle/Tacoma International Airport 22:37
      • 12h 14m (4h 10m)
      • 1 Stop EWR · New York City 4h 10m
      • United Airlines (UA 3436)Embraer 175
        United Airlines (UA 2044)Boeing 737 Max 9 Passenger
      • United Airlines (UA 3436)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 13:50 BUF
        18:54 SEA
        8Hrs, 04m 1 Stop (ORD)
      • BUFBuffalo Airport 13:50 - SEA 18:54 8h 04m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 13:50
        ORDChicago O'Hare International Airport 16:05
      • ORDChicago O'Hare International Airport 14:49
        SEASeattle/Tacoma International Airport 18:54
      • 8h 04m (1h 16m)
      • 1 Stop ORD · Chicago 1h 16m
      • United Airlines (UA 4381)Canadair Regional Jet 550
        United Airlines (UA 2278)Airbus
      • United Airlines (UA 4381)
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        • F
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        • S
      • 19:00 DEN
        14:49 ORD
        10Hrs, 14m 1 Stop (SEA)
      • DENDenver Intl Airport 19:00 - ORD 14:49 10h 14m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 19:00
        BUFBuffalo Airport 13:50
      • SEASeattle/Tacoma International Airport 21:04
        ORDChicago O'Hare International Airport 14:49
      • 10h 14m (2h 22m)
      • 1 Stop SEA · Seattle 2h 22m
      • United Airlines (UA 299)Boeing 737 900
        United Airlines (UA 4381)Canadair Regional Jet 550
      • United Airlines (UA 299)
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      How far is Seattle from Buffalo?

      The flight distance between Buffalo and Seattle is 3397km. 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 23:59. See the full list of flight times on Wego.

      All Airports in Buffalo

      Buffalo Airport BUF

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