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Flights from Toronto to Seattle
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Find Toronto to Seattle flights starting at CAD 176.

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        YYZ16:20
        5h 23m
        Nonstop
        SEA18:43
        Fri, Jan 10|Toronto - Seattle|Alaska Airlines
        CAD 186CAD 274
        32% OFF
        32% OFF
        CAD 274CAD 186

        Choose Alaska Airlines flights from Toronto to Seattle. The one-way direct flight with Alaska Airlines departs from Toronto Pearson International Airport on Fri, Jan 10, arriving at Seattle-Tacoma International Airport. One-way Prices start from CAD 186 including taxes and charges.

      • YYZ16:20
        5h 23m
        Nonstop
        SEA18:43
        Sat, Feb 8|Toronto - Seattle|Alaska Airlines
        CAD 194CAD 274
        28% OFF
        28% OFF
        CAD 274CAD 194

        Choose Alaska Airlines flights from Toronto to Seattle. The one-way direct flight with Alaska Airlines departs from Toronto Pearson International Airport on Sat, Feb 8, arriving at Seattle-Tacoma International Airport. One-way Prices start from CAD 194 including taxes and charges.

      • YYZ07:55
        9h 26m
        1 stop
        SEA14:21
        Mon, Dec 2|Toronto - Seattle|WestJet
        CAD 176CAD 274
        36% OFF
        36% OFF
        CAD 274CAD 176

        Choose WestJet flights from Toronto to Seattle. The one-way connecting flight with WestJet departs from Toronto Pearson International Airport on Mon, Dec 2, arriving at Seattle-Tacoma International Airport. One-way Prices start from CAD 176 including taxes and charges.

      • YKF06:30
        11h 8m
        1 stop
        SEA14:38
        Sat, Dec 7|Toronto - Seattle|WestJet
        CAD 179
        CAD 179

        Choose WestJet flights from Toronto to Seattle. The one-way connecting flight with WestJet departs from Region Of Waterloo International Airport on Sat, Dec 7, arriving at Seattle-Tacoma International Airport. One-way Prices start from CAD 179 including taxes and charges.

      • YYZ07:55
        9h 26m
        1 stop
        SEA14:21
        Tue, Dec 10|Toronto - Seattle|WestJet
        CAD 180
        CAD 180

        Choose WestJet flights from Toronto to Seattle. The one-way connecting flight with WestJet departs from Toronto Pearson International Airport on Tue, Dec 10, arriving at Seattle-Tacoma International Airport. One-way Prices start from CAD 180 including taxes and charges.

      • YYZ07:55
        9h 26m
        1 stop
        SEA14:21
        Tue, Dec 3|Toronto - Seattle|WestJet
        CAD 180
        CAD 180

        Choose WestJet flights from Toronto to Seattle. The one-way connecting flight with WestJet departs from Toronto Pearson International Airport on Tue, Dec 3, arriving at Seattle-Tacoma International Airport. One-way Prices start from CAD 180 including taxes and charges.

      • YYZ07:55
        9h 26m
        1 stop
        SEA14:21
        Wed, Dec 18|Toronto - Seattle|WestJet
        CAD 180
        CAD 180

        Choose WestJet flights from Toronto to Seattle. The one-way connecting flight with WestJet departs from Toronto Pearson International Airport on Wed, Dec 18, arriving at Seattle-Tacoma International Airport. One-way Prices start from CAD 180 including taxes and charges.

      • YYZ20:00
        15h 57m
        1 stop
        SEA08:57
        Wed, Dec 11|Toronto - Seattle|WestJet
        CAD 180
        CAD 180

        Choose WestJet flights from Toronto to Seattle. The one-way connecting flight with WestJet departs from Toronto Pearson International Airport on Wed, Dec 11, arriving at Seattle-Tacoma International Airport. One-way Prices start from CAD 180 including taxes and charges.

      • YYZ20:00
        15h 50m
        1 stop
        SEA08:50
        Thu, Jan 16|Toronto - Seattle|WestJet
        CAD 180
        CAD 180

        Choose WestJet flights from Toronto to Seattle. The one-way connecting flight with WestJet departs from Toronto Pearson International Airport on Thu, Jan 16, arriving at Seattle-Tacoma International Airport. One-way Prices start from CAD 180 including taxes and charges.

      • YYZ07:55
        9h 26m
        1 stop
        SEA14:21
        Mon, Jan 13|Toronto - Seattle|WestJet
        CAD 180
        CAD 180

        Choose WestJet flights from Toronto to Seattle. The one-way connecting flight with WestJet departs from Toronto Pearson International Airport on Mon, Jan 13, arriving at Seattle-Tacoma International Airport. One-way Prices start from CAD 180 including taxes and charges.

      • YTO13:00
        3h 5m
        Nonstop
        SEA14:00
        Mon, Dec 9|Toronto - Seattle|Alaska Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Toronto to Seattle?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find Cheapest Airlines Flying from Toronto to Seattle

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

WestJet
From CAD 176
Alaska Airlines
From CAD 186
Flair Airlines
From CAD 203
United Airlines
From CAD 204
Delta Air Lines
From CAD 204
American Airlines
From CAD 208
Porter Airlines
From CAD 211
Air Canada
From CAD 212
Air Transat
From CAD 220
Icelandair
From CAD 1,112

Find more flights and airlines

Alternative Routes for Toronto to Seattle Flights

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Toronto to Seattle.

  • Cheapest
    WestJet
    YYZ
    07:55
    9h 26m
    1 transfer
    SEA
    14:21
    Toronto Pearson International Airport - Seattle-Tacoma International Airport
    Mon, Dec 2WestJet
    CAD 176
  • WestJet
    YKF
    06:30
    10h 51m
    1 transfer
    SEA
    14:21
    Region Of Waterloo International Airport - Seattle-Tacoma International Airport
    Mon, Dec 2WestJet
    CAD 176
  • WestJet
    YHM
    18:45
    22h 36m
    1 transfer
    SEA
    14:21
    Hamilton John C. Munro International Airport - Seattle-Tacoma International Airport
    Sun, Feb 2WestJet
    CAD 222
  • WestJet
    YHM
    18:45
    22h 36m
    1 transfer
    SEA
    14:21
    Hamilton John C. Munro International Airport - Seattle-Tacoma International Airport
    Sun, Feb 2WestJet
    CAD 222
    Find More Flights

FAQ

  • When are flight tickets from Toronto (YTO) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Toronto to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Toronto (YTO) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around CAD 483.

  • How long is the flight from Toronto (YTO) to Seattle (SEA)?

    It takes about 5 hours 24 minutes to fly from Toronto (YTO) to Seattle (SEA).

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
    • The distance from Lake Union Sea Plane Base to downtown is about 2km, by taxi about 20 minutes.

  • What are the most popular airlines that fly from Toronto (YTO) to Seattle (SEA)?

    Airlines with flights from Toronto (YTO) to Seattle (SEA): United Airlines, Air Canada, Alaska Airlines and Hawaiian Airlines.

  • What's the most popular airline for direct flights from Toronto (YTO) to Seattle (SEA)?

    United Airlines operates 2 direct flights from Toronto (YTO) to Seattle (SEA).

  • How many airports in Seattle (SEA)?

How to find a cheap flight from Toronto to Seattle

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Toronto to Seattle. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information for Toronto to Seattle Flights

Cheapest direct flight priceCAD 175
Cheapest return ticket priceCAD 317
Off-season travel monthOctober
Peak season for travelFebruary
Flight distance3,325.49km
Average flight time5 hours 24 minutes
Popular airlineAmerican Airlines

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