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Seattle-Tacoma International Airport to Toronto Pearson International Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to Toronto Pearson International Airport over the next 90 days, with one-way fares from US$134 and round-trip from US$311. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 08:00
        4h 41m
        Direct
        YYZ 15:41
        Seattle - Toronto | Sat, Oct 24 | Air Canada
        YYZ 18:25
        5h 34m
        Direct
        SEA 20:59
        Toronto - Seattle | Wed, Oct 28 | Air Canada
        US$451 US$525
        14% off
        14% off
        US$525 US$451
      • SEA 07:45
        4h 40m
        Direct
        YYZ 15:25
        Seattle - Toronto | Wed, Oct 28 | Air Canada
        YYZ 18:25
        5h 34m
        Direct
        SEA 20:59
        Toronto - Seattle | Tue, Nov 3 | Air Canada
        US$451 US$525
        14% off
        14% off
        US$525 US$451
      • SEA 10:30
        9h 15m
        1 stop
        YYZ 22:45
        Seattle - Toronto | Tue, Oct 13 | WestJet
        YYZ 13:30
        8h 15m
        1 stop
        SEA 18:45
        Toronto - Seattle | Tue, Oct 20 | WestJet
        US$311 US$525
        41% off
        41% off
        US$525 US$311
      • SEA 19:35
        7h 10m
        1 stop
        YYZ 05:45
        Seattle - Toronto | Thu, Oct 1 | WestJet
        YYZ 12:00
        9h 45m
        1 stop
        SEA 18:45
        Toronto - Seattle | Mon, Oct 5 | WestJet
        US$313
        40% off
        US$525 US$313
      • SEA 19:35
        8h 20m
        1 stop
        YYZ 06:55
        Seattle - Toronto | Sat, Oct 24 | WestJet
        YYZ 12:00
        9h 45m
        1 stop
        SEA 18:45
        Toronto - Seattle | Tue, Oct 27 | WestJet
        US$317
        40% off
        US$525 US$317
      • SEA 19:35
        7h 10m
        1 stop
        YYZ 05:45
        Seattle - Toronto | Mon, Oct 5 | WestJet
        YYZ 12:00
        9h 45m
        1 stop
        SEA 18:45
        Toronto - Seattle | Sun, Oct 11 | WestJet
        US$321
        39% off
        US$525 US$321
      • SEA 19:35
        8h 20m
        1 stop
        YYZ 06:55
        Seattle - Toronto | Sun, Oct 4 | WestJet
        YYZ 13:30
        8h 15m
        1 stop
        SEA 18:45
        Toronto - Seattle | Sun, Oct 11 | WestJet
        US$322
        39% off
        US$525 US$322
      • SEA 19:35
        8h 20m
        1 stop
        YYZ 06:55
        Seattle - Toronto | Thu, Oct 29 | WestJet
        YYZ 07:30
        10h 10m
        1 stop
        SEA 14:40
        Toronto - Seattle | Sun, Nov 1 | WestJet
        US$327
        38% off
        US$525 US$327
      • SEA 19:35
        7h 10m
        1 stop
        YYZ 05:45
        Seattle - Toronto | Sat, Oct 3 | WestJet
        YYZ 13:30
        8h 15m
        1 stop
        SEA 18:45
        Toronto - Seattle | Tue, Oct 6 | WestJet
        US$327
        38% off
        US$525 US$327
      • SEA 10:30
        9h 15m
        1 stop
        YYZ 22:45
        Seattle - Toronto | Thu, Oct 8 | WestJet
        YYZ 13:30
        8h 15m
        1 stop
        SEA 18:45
        Toronto - Seattle | Sun, Oct 11 | WestJet
        US$331
        37% off
        US$525 US$331
      • SEA 19:35
        8h 20m
        1 stop
        YYZ 06:55
        Seattle - Toronto | Wed, Oct 14 | WestJet
        YYZ 13:30
        8h 15m
        1 stop
        SEA 18:45
        Toronto - Seattle | Mon, Oct 19 | WestJet
        US$331
        37% off
        US$525 US$331
      • SEA 19:35
        7h 10m
        1 stop
        YYZ 05:45
        Seattle - Toronto | Sun, Oct 11 | WestJet
        YYZ 12:00
        9h 45m
        1 stop
        SEA 18:45
        Toronto - Seattle | Wed, Oct 14 | WestJet
        US$331
        37% off
        US$525 US$331
      • SEA 19:35
        8h 20m
        1 stop
        YYZ 06:55
        Seattle - Toronto | Fri, Oct 16 | WestJet
        YYZ 13:30
        8h 15m
        1 stop
        SEA 18:45
        Toronto - Seattle | Thu, Oct 22 | WestJet
        US$331
        37% off
        US$525 US$331
      • SEA 10:30
        9h 15m
        1 stop
        YYZ 22:45
        Seattle - Toronto | Thu, Oct 15 | WestJet
        YYZ 12:00
        9h 45m
        1 stop
        SEA 18:45
        Toronto - Seattle | Mon, Oct 19 | WestJet
        US$331
        37% off
        US$525 US$331
      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Fri, Oct 2 | Normal Airline
        YTO 15:00
        6h
        Direct
        SEA 16:00
        Toronto - Seattle | Sun, Oct 4 | Normal Airline
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      • Cheapest nonstop
        SEA 08:00
        4h 50m
        Direct
        YYZ 15:50
        Seattle - Toronto | Sun, Oct 25 | Air Canada
        US$196 US$228
        14% off
        14% off
        US$228 US$196
      • SEA 08:00
        4h 50m
        Direct
        YYZ 15:50
        Seattle - Toronto | Thu, Oct 22 | Air Canada
        US$196 US$228
        14% off
        14% off
        US$228 US$196
      • SEA 10:30
        9h 15m
        1 stop
        YYZ 22:45
        Seattle - Toronto | Fri, Oct 9 | WestJet
        US$134 US$228
        41% off
        41% off
        US$228 US$134
      • SEA 10:30
        9h 15m
        1 stop
        YYZ 22:45
        Seattle - Toronto | Tue, Oct 13 | WestJet
        US$146
        36% off
        US$228 US$146
      • SEA 10:30
        7h 45m
        1 stop
        YYZ 21:15
        Seattle - Toronto | Mon, Oct 19 | WestJet
        US$146
        36% off
        US$228 US$146
      • SEA 10:30
        9h 15m
        1 stop
        YYZ 22:45
        Seattle - Toronto | Tue, Oct 20 | WestJet
        US$147
        36% off
        US$228 US$147
      • SEA 10:30
        9h 15m
        1 stop
        YYZ 22:45
        Seattle - Toronto | Wed, Oct 28 | WestJet
        US$149
        35% off
        US$228 US$149
      • SEA 19:35
        8h 20m
        1 stop
        YYZ 06:55
        Seattle - Toronto | Sun, Oct 11 | WestJet
        US$149
        35% off
        US$228 US$149
      • SEA 19:35
        8h 20m
        1 stop
        YYZ 06:55
        Seattle - Toronto | Sun, Oct 18 | WestJet
        US$149
        35% off
        US$228 US$149
      • SEA 10:30
        9h 15m
        1 stop
        YYZ 22:45
        Seattle - Toronto | Sat, Oct 24 | WestJet
        US$149
        35% off
        US$228 US$149
      • SEA 10:30
        9h 15m
        1 stop
        YYZ 22:45
        Seattle - Toronto | Sun, Oct 4 | WestJet
        US$149
        35% off
        US$228 US$149
      • SEA 10:30
        9h 15m
        1 stop
        YYZ 22:45
        Seattle - Toronto | Tue, Oct 27 | WestJet
        US$149
        35% off
        US$228 US$149
      • SEA 19:35
        8h 20m
        1 stop
        YYZ 06:55
        Seattle - Toronto | Sat, Oct 3 | WestJet
        US$150
        34% off
        US$228 US$150
      • SEA 10:30
        7h 45m
        1 stop
        YYZ 21:15
        Seattle - Toronto | Thu, Oct 15 | WestJet
        US$150
        34% off
        US$228 US$150
      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Fri, Oct 2 | Normal Airline
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Flight fares from Seattle-Tacoma International Airport to Toronto Pearson International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

Trip.com Price Insights: Flights from Seattle-Tacoma International Airport to Toronto Pearson International Airport

What is the cheapest month to fly from Seattle-Tacoma International Airport to Toronto Pearson International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Seattle-Tacoma International Airport to Toronto Pearson International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Seattle-Tacoma International Airport to Toronto Pearson International Airport are usually in September, with an average price of US$115. It is best to avoid July, when the average price can reach US$311.

US$311
US$213
US$115
US$17
  • US$115
    Sep
  • US$201
    Oct
  • US$175
    Nov
  • US$216
    Dec
  • US$158
    Jan
  • US$130
    Feb
  • US$228
    Mar
  • US$198
    Apr
  • US$214
    May
  • US$284
    Jun
  • US$311
    Jul
  • US$307
    Aug

What is the cheapest day of the week to fly from Seattle-Tacoma International Airport to Toronto Pearson International Airport?

The data is based on the past 12 months and shows the average ticket prices from Seattle-Tacoma International Airport to Toronto Pearson International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from Seattle-Tacoma International Airport to Toronto Pearson International Airport is Wednesday, with average prices usually lower than other days. Avoid departing on Friday as prices are typically highest on that day.

US$276
US$238
US$199
US$161
    Cheapest
  • US$251
    Mon
  • US$215
    Tue
  • US$199
    Wed
  • US$252
    Thu
  • US$276
    Fri
  • US$229
    Sat
  • US$239
    Sun

Which airline offers the cheapest flights from Seattle-Tacoma International Airport to Toronto Pearson International Airport?

The cheapest airline flying from Seattle-Tacoma International Airport to Toronto Pearson International Airport is WestJet (from US$134) among 8 carriers operating this route. Based on Trip.com's latest 7-day flight data.

WestJet
From US$134
Alaska Airlines
From US$173
American Airlines
From US$182
Air Canada
From US$193
United Airlines
From US$199
Delta Air Lines
From US$202
Frontier Airlines
From US$242
Porter Airlines
From US$287

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What is the flight schedule from Seattle-Tacoma International Airport to Toronto Pearson International Airport?

Check the schedule for flights from Seattle to Toronto and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. WS1555

    Seattle-Tacoma International Airport

    19:35

    SEA

    1h 40m

    Direct

    22:15

    YYC

    S M T W T F S
    Search

  2. WS660

    Calgary International Airport

    23:50

    YYC

    3h 55m

    Direct

    05:45

    YYZ

    S M T W T F S

  3. WS1553

    Seattle-Tacoma International Airport

    10:30

    SEA

    1h 40m

    Direct

    13:10

    YYC

    S - T W T F S
    Search

  4. WS646

    Calgary International Airport

    15:20

    YYC

    3h 55m

    Direct

    21:15

    YYZ

    S M T W T F S

  5. WS1555

    Seattle-Tacoma International Airport

    19:35

    SEA

    1h 40m

    Direct

    22:15

    YYC

    S M T W T F S
    Search

  6. WS622

    Calgary International Airport

    01:00

    YYC

    3h 55m

    Direct

    06:55

    YYZ

    S M T W T F S

  7. WS1553

    Seattle-Tacoma International Airport

    10:30

    SEA

    1h 40m

    Direct

    13:10

    YYC

    S - T W T F S
    Search

  8. WS644

    Calgary International Airport

    16:50

    YYC

    3h 55m

    Direct

    22:45

    YYZ

    S M T W T F S
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About Seattle-Tacoma International Airport and Toronto Pearson International Airport

Learn about Seattle-Tacoma International Airport (SEA) and Toronto Pearson International Airport (YYZ) — including location, terminals, transportation, and travel tips.

Flight distance 3,311.13km
Cheapest one-way ticket price US$134
Cheapest return ticket price US$311

FAQs for Seattle-Tacoma International Airport to Toronto Pearson International Airport Flights

  • How long is the flight from Seattle-Tacoma International Airport to Toronto Pearson International Airport?

    Seattle-Tacoma International Airport to Toronto Pearson International Airport takes about 4 hours 9 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 1 daily flights from Seattle-Tacoma International Airport (SEA) to Toronto Pearson International Airport (YYZ).
  • The earliest flight from Seattle-Tacoma International Airport to Toronto Pearson International Airport departs at 07:52, and the last departs at 08:00, with about 2 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Seattle-Tacoma International Airport (SEA) to Toronto Pearson International Airport (YYZ) is quite popular. Without considering departure times or holidays, tickets cost around US$452 in October, the most expensive month to book this route.
    • The distance from Toronto Pearson International Airport to downtown is about 20km, by taxi about 40 minutes.
    • The distance from Billy Bishop Toronto City Airport to downtown is about 2km, by taxi about 20 minutes.
  • Alaska Airlines is a very popular airline operating an average of 239 flights per month.
  • One-way flights from Seattle-Tacoma International Airport to Toronto Pearson International Airport currently start from US$134, and round-trip fares start from US$311. The current lowest fare is a WestJet flight departing on Fri, Oct 9; prices may vary depending on availability.
  • Yes. Air Canada and Alaska Airlines operate direct flights from Seattle-Tacoma International Airport to Toronto Pearson International Airport, with an average flight time of 4 hours 4 minutes, and around 14 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle-Tacoma International Airport to Toronto Pearson International Airport is US$299. Prices may vary depending on the departure date, airline, and availability.
  • Seattle-Tacoma International Airport to Toronto Pearson International Airport operates around 14 weekly flights, mainly by Air Canada and Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Seattle-Tacoma International Airport and Toronto Pearson International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed on this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.