Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Alaska Airlines

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

  • Alaska Airlines Alaska Airlines
  • United Airlines United Airlines
  • WestJet WestJet
  • American Airlines American Airlines
  • Air Canada Air Canada
  • Porter Airlines Porter Airlines
  • Icelandair Icelandair
  • Lufthansa Lufthansa
  • Austrian Airlines Austrian Airlines
Cheapest Month February

Travel Period: February 2025 - January 2026

The cheapest month(s) to fly from Toronto 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 Monday

The cheapest day(s) of the week to fly from Toronto to Seattle is Monday.

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

Flight Schedules

Last Updated: Mon, 2 Dec, 2024

  • Time Earliest
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  • Availability
    • M
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  • 06:10 YYZ
    12:48 SEA
    9Hrs, 38m 1 Stop (IAH)
  • YYZToronto Lester B Pearson Intl Airport 06:10 - SEA 12:48 9h 38m 1 Stop (IAH) Houston
  • YYZToronto Lester B Pearson Intl Airport 06:10
    IAHHouston George Bush Intercontinental Airport 09:50
  • IAHHouston George Bush Intercontinental Airport 09:09
    SEASeattle/Tacoma International Airport 12:48
  • 9h 38m (41m)
  • 1 Stop IAH · Houston 41m
  • United Airlines (UA 1345)Boeing 737 700
    United Airlines (UA 2606)Boeing 737 900
  • United Airlines (UA 1345)
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    • T
    • F
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    • S
  • 06:15 YYZ
    12:45 SEA
    9Hrs, 30m 1 Stop (ORD)
  • YYZToronto Lester B Pearson Intl Airport 06:15 - SEA 12:45 9h 30m 1 Stop (ORD) Chicago
  • YYZToronto Lester B Pearson Intl Airport 06:15
    ORDChicago O'Hare International Airport 09:55
  • ORDChicago O'Hare International Airport 07:30
    SEASeattle/Tacoma International Airport 12:45
  • 9h 30m (2h 25m)
  • 1 Stop ORD · Chicago 2h 25m
  • American Airlines (AA 3524)Embraer 170
    American Airlines (AA 2398)Boeing 737 800
  • American Airlines (AA 3524)
    • M
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    • T
    • F
    • -
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  • 06:30 YKF
    14:38 SEA
    11Hrs, 08m 1 Stop (YYC)
  • YKFKitchener/Waterloo Airport 06:30 - SEA 14:38 11h 08m 1 Stop (YYC) Calgary
  • YKFKitchener/Waterloo Airport 06:30
    YYCCalgary Airport 13:30
  • YYCCalgary Airport 08:52
    SEASeattle/Tacoma International Airport 14:38
  • 11h 08m (4h 38m)
  • 1 Stop YYC · Calgary 4h 38m
  • WestJet (WS 567)Boeing 737 700
    WestJet (WS 3612)Dehavilland Dash 8 400
  • WestJet (WS 567)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 09:00 YYZ
    16:11 SEA
    10Hrs, 11m 1 Stop (ORD)
  • YYZToronto Lester B Pearson Intl Airport 09:00 - SEA 16:11 10h 11m 1 Stop (ORD) Chicago
  • YYZToronto Lester B Pearson Intl Airport 09:00
    ORDChicago O'Hare International Airport 13:25
  • ORDChicago O'Hare International Airport 10:10
    SEASeattle/Tacoma International Airport 16:11
  • 10h 11m (3h 15m)
  • 1 Stop ORD · Chicago 3h 15m
  • United Airlines (UA 1538)Boeing 737 800
    United Airlines (UA 1485)Airbus
  • United Airlines (UA 1538)
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  • 11:00 YYZ
    16:11 SEA
    8Hrs, 11m 1 Stop (ORD)
  • YYZToronto Lester B Pearson Intl Airport 11:00 - SEA 16:11 8h 11m 1 Stop (ORD) Chicago
  • YYZToronto Lester B Pearson Intl Airport 11:00
    ORDChicago O'Hare International Airport 13:25
  • ORDChicago O'Hare International Airport 12:13
    SEASeattle/Tacoma International Airport 16:11
  • 8h 11m (1h 12m)
  • 1 Stop ORD · Chicago 1h 12m
  • United Airlines (UA 5578)Embraer 175
    United Airlines (UA 1485)Airbus
  • United Airlines (UA 5578)
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  • 12:45 YYZ
    19:05 SEA
    9Hrs, 20m 1 Stop (SFO)
  • YYZToronto Lester B Pearson Intl Airport 12:45 - SEA 19:05 9h 20m 1 Stop (SFO) San Francisco
  • YYZToronto Lester B Pearson Intl Airport 12:45
    SFOSan Francisco International Airport 16:45
  • SFOSan Francisco International Airport 15:26
    SEASeattle/Tacoma International Airport 19:05
  • 9h 20m (1h 19m)
  • 1 Stop SFO · San Francisco 1h 19m
  • Air Canada (AC 741)Airbus A220 300
    United Airlines (UA 1657)Boeing 737 900
  • Air Canada (AC 741)
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  • 14:45 YYZ
    21:10 SEA
    9Hrs, 25m 1 Stop (DEN)
  • YYZToronto Lester B Pearson Intl Airport 14:45 - SEA 21:10 9h 25m 1 Stop (DEN) Denver
  • YYZToronto Lester B Pearson Intl Airport 14:45
    DENDenver Intl Airport 19:05
  • DENDenver Intl Airport 16:38
    SEASeattle/Tacoma International Airport 21:10
  • 9h 25m (2h 27m)
  • 1 Stop DEN · Denver 2h 27m
  • Air Canada (AC 1041)Airbus A220 300
    United Airlines (UA 299)Airbus
  • Air Canada (AC 1041)
    • -
    • -
    • -
    • -
    • F
    • -
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  • 15:30 YYZ
    22:47 SEA
    10Hrs, 17m 1 Stop (ORD)
  • YYZToronto Lester B Pearson Intl Airport 15:30 - SEA 22:47 10h 17m 1 Stop (ORD) Chicago
  • YYZToronto Lester B Pearson Intl Airport 15:30
    ORDChicago O'Hare International Airport 19:58
  • ORDChicago O'Hare International Airport 16:41
    SEASeattle/Tacoma International Airport 22:47
  • 10h 17m (3h 17m)
  • 1 Stop ORD · Chicago 3h 17m
  • United Airlines (UA 2364)Airbus
    United Airlines (UA 2211)Boeing 737 800
  • United Airlines (UA 2364)
    • -
    • -
    • -
    • -
    • F
    • -
    • -
  • 15:30 YYZ
    22:49 SEA
    10Hrs, 19m 1 Stop (ORD)
  • YYZToronto Lester B Pearson Intl Airport 15:30 - SEA 22:49 10h 19m 1 Stop (ORD) Chicago
  • YYZToronto Lester B Pearson Intl Airport 15:30
    ORDChicago O'Hare International Airport 20:02
  • ORDChicago O'Hare International Airport 16:41
    SEASeattle/Tacoma International Airport 22:49
  • 10h 19m (3h 21m)
  • 1 Stop ORD · Chicago 3h 21m
  • United Airlines (UA 2364)Airbus
    United Airlines (UA 2211)Boeing 737 800
  • United Airlines (UA 2364)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 15:50 YYZ
    22:48 SEA
    9Hrs, 58m 1 Stop (IAH)
  • YYZToronto Lester B Pearson Intl Airport 15:50 - SEA 22:48 9h 58m 1 Stop (IAH) Houston
  • YYZToronto Lester B Pearson Intl Airport 15:50
    IAHHouston George Bush Intercontinental Airport 19:50
  • IAHHouston George Bush Intercontinental Airport 18:45
    SEASeattle/Tacoma International Airport 22:48
  • 9h 58m (1h 05m)
  • 1 Stop IAH · Houston 1h 05m
  • United Airlines (UA 733)Boeing 737 700
    United Airlines (UA 2456)Boeing 737 900
  • United Airlines (UA 733)
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    • T
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    • S
  • 15:50 YYZ
    22:48 SEA
    9Hrs, 58m 1 Stop (IAH)
  • YYZToronto Lester B Pearson Intl Airport 15:50 - SEA 22:48 9h 58m 1 Stop (IAH) Houston
  • YYZToronto Lester B Pearson Intl Airport 15:50
    IAHHouston George Bush Intercontinental Airport 19:50
  • IAHHouston George Bush Intercontinental Airport 18:45
    SEASeattle/Tacoma International Airport 22:48
  • 9h 58m (1h 05m)
  • 1 Stop IAH · Houston 1h 05m
  • United Airlines (UA 733)Boeing 737 700
    United Airlines (UA 2456)Boeing 737 800
  • United Airlines (UA 733)
    • -
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    • -
    • -
  • 16:10 YYZ
    21:10 SEA
    8Hrs, 00m 1 Stop (DEN)
  • YYZToronto Lester B Pearson Intl Airport 16:10 - SEA 21:10 8h 1 Stop (DEN) Denver
  • YYZToronto Lester B Pearson Intl Airport 16:10
    DENDenver Intl Airport 19:05
  • DENDenver Intl Airport 18:12
    SEASeattle/Tacoma International Airport 21:10
  • 8h (53m)
  • 1 Stop DEN · Denver 53m
  • United Airlines (UA 568)Airbus
    United Airlines (UA 299)Airbus
  • United Airlines (UA 568)
    • -
    • -
    • -
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  • 17:14 YYZ
    23:06 SEA
    8Hrs, 52m 1 Stop (DFW)
  • YYZToronto Lester B Pearson Intl Airport 17:14 - SEA 23:06 8h 52m 1 Stop (DFW) Dallas
  • YYZToronto Lester B Pearson Intl Airport 17:14
    DFWDallas/Fort Worth Intl Airport 20:40
  • DFWDallas/Fort Worth Intl Airport 19:54
    SEASeattle/Tacoma International Airport 23:06
  • 8h 52m (46m)
  • 1 Stop DFW · Dallas 46m
  • American Airlines (AA 1111)Boeing 737 800
    American Airlines (AA 2402)Airbus
  • American Airlines (AA 1111)
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  • 17:30 YYZ
    22:44 SEA
    8Hrs, 14m 1 Stop (ORD)
  • YYZToronto Lester B Pearson Intl Airport 17:30 - SEA 22:44 8h 14m 1 Stop (ORD) Chicago
  • YYZToronto Lester B Pearson Intl Airport 17:30
    ORDChicago O'Hare International Airport 19:55
  • ORDChicago O'Hare International Airport 18:43
    SEASeattle/Tacoma International Airport 22:44
  • 8h 14m (1h 12m)
  • 1 Stop ORD · Chicago 1h 12m
  • United Airlines (UA 3542)Embraer 170
    United Airlines (UA 2211)Boeing 737 Max 9 Passenger
  • United Airlines (UA 3542)
    • -
    • -
    • -
    • -
    • -
    • -
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  • 17:30 YYZ
    22:47 SEA
    8Hrs, 17m 1 Stop (ORD)
  • YYZToronto Lester B Pearson Intl Airport 17:30 - SEA 22:47 8h 17m 1 Stop (ORD) Chicago
  • YYZToronto Lester B Pearson Intl Airport 17:30
    ORDChicago O'Hare International Airport 19:58
  • ORDChicago O'Hare International Airport 18:43
    SEASeattle/Tacoma International Airport 22:47
  • 8h 17m (1h 15m)
  • 1 Stop ORD · Chicago 1h 15m
  • United Airlines (UA 3542)Embraer 175
    United Airlines (UA 2211)Boeing 737 800
  • United Airlines (UA 3542)
    • -
    • -
    • -
    • -
    • F
    • -
    • -
  • 17:30 YYZ
    22:49 SEA
    8Hrs, 19m 1 Stop (ORD)
  • YYZToronto Lester B Pearson Intl Airport 17:30 - SEA 22:49 8h 19m 1 Stop (ORD) Chicago
  • YYZToronto Lester B Pearson Intl Airport 17:30
    ORDChicago O'Hare International Airport 20:02
  • ORDChicago O'Hare International Airport 18:43
    SEASeattle/Tacoma International Airport 22:49
  • 8h 19m (1h 19m)
  • 1 Stop ORD · Chicago 1h 19m
  • United Airlines (UA 3542)Embraer 175
    United Airlines (UA 2211)Boeing 737 800
  • United Airlines (UA 3542)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
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What’s the most popular airline flying from Toronto to Seattle?

The most popular airline flying from Toronto to Seattle is Alaska Airlines. Find the latest flight deals on Wego.

How far is Seattle from Toronto?

The flight distance between Toronto and Seattle is 3325km. Check all available flights on Wego.

When is the earliest and latest flight of the day?

The earliest flight of the day departs at 06:10. The last flight of the day departs at 06:10. See the full list of flight times on Wego.