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Flights from Toronto to Seattle
Cheap flight deals from Toronto to Seattle
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstopYYZ 16:455h 14mNonstopSEA 18:59Toronto - Seattle | Wed, Apr 23 | Alaska AirlinesSEA 07:154h 45mNonstopYYZ 15:00Seattle - Toronto | Tue, Apr 29 | Alaska AirlinesAED 997 AED 1,16514% OFF14% OFFAED 1,165 AED 997
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YYZ 19:205h 21mNonstopSEA 21:41Toronto - Seattle | Thu, Apr 24 | Air CanadaSEA 06:004h 57mNonstopYYZ 13:57Seattle - Toronto | Wed, Apr 30 | Air CanadaAED 1,025 AED 1,16512% OFF12% OFFAED 1,165 AED 1,025
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Wed, May 28 | WestJetSEA 13:507h 51m1 stopsYHM 00:41Seattle - Toronto | Wed, Jun 4 | WestJetAED 457 AED 1,16561% OFF61% OFFAED 1,165 AED 457
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Wed, Jun 4 | WestJetSEA 14:057h 41m1 stopsYKF 00:46Seattle - Toronto | Tue, Jun 10 | WestJetAED 47859% OFFAED 1,165 AED 478
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Sun, May 25 | WestJetSEA 13:507h 51m1 stopsYHM 00:41Seattle - Toronto | Wed, May 28 | WestJetAED 48259% OFFAED 1,165 AED 482
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Sat, May 24 | WestJetSEA 13:507h 51m1 stopsYHM 00:41Seattle - Toronto | Fri, May 30 | WestJetAED 49157% OFFAED 1,165 AED 491
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Tue, May 27 | WestJetSEA 14:057h 41m1 stopsYKF 00:46Seattle - Toronto | Tue, Jun 3 | WestJetAED 49157% OFFAED 1,165 AED 491
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Fri, May 2 | WestJetSEA 13:507h 51m1 stopsYHM 00:41Seattle - Toronto | Sat, May 10 | WestJetAED 49457% OFFAED 1,165 AED 494
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Fri, Jun 6 | WestJetSEA 14:057h 41m1 stopsYKF 00:46Seattle - Toronto | Tue, Jun 10 | WestJetAED 49457% OFFAED 1,165 AED 494
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Thu, May 29 | WestJetSEA 14:057h 36m1 stopsYHM 00:41Seattle - Toronto | Mon, Jun 2 | WestJetAED 49656% OFFAED 1,165 AED 496
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Sun, Jun 1 | WestJetSEA 13:507h 51m1 stopsYHM 00:41Seattle - Toronto | Wed, Jun 4 | WestJetAED 49656% OFFAED 1,165 AED 496
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Tue, May 6 | WestJetSEA 13:507h 51m1 stopsYHM 00:41Seattle - Toronto | Wed, May 14 | WestJetAED 50056% OFFAED 1,165 AED 500
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YTO 13:0017h 25m1 stopsSEA Invalid DateToronto - Seattle | Mon, Apr 21 | Normal AirlineSEA 15:006hNonstopYTO 16:00Seattle - Toronto | Wed, Apr 23 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstopYYZ 16:455h 19mNonstopSEA 19:04Toronto - Seattle | Sat, May 24 | Alaska AirlinesAED 571 AED 65012% OFF12% OFFAED 650 AED 571
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YYZ 08:305h 21mNonstopSEA 10:51Toronto - Seattle | Wed, May 21 | Air CanadaAED 572 AED 65012% OFF12% OFFAED 650 AED 572
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Wed, May 7 | WestJetAED 257 AED 65060% OFF60% OFFAED 650 AED 257
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Sat, May 24 | WestJetAED 25860% OFFAED 650 AED 258
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Tue, Jun 3 | WestJetAED 27357% OFFAED 650 AED 273
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Thu, Jun 5 | WestJetAED 27357% OFFAED 650 AED 273
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Tue, Jun 17 | WestJetAED 27956% OFFAED 650 AED 279
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Sun, May 11 | WestJetAED 28456% OFFAED 650 AED 284
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Tue, May 27 | WestJetAED 28656% OFFAED 650 AED 286
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Wed, Jun 11 | WestJetAED 28756% OFFAED 650 AED 287
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Wed, May 28 | WestJetAED 28956% OFFAED 650 AED 289
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YKF 06:009h 58m1 stopsSEA 12:58Toronto - Seattle | Sun, Jun 1 | WestJetAED 28955% OFFAED 650 AED 289
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YTO 13:0017h 25m1 stopsSEA Invalid DateToronto - Seattle | Mon, Apr 21 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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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 lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Toronto (YTO) to Seattle (SEA) cost?
According to Trip.com's data, the lowest price is around AED 1,250. -
How long does it take to fly from Toronto (YTO) to Seattle (SEA)?
It takes about 5 hours 20 minutes to fly from Toronto (YTO) to Seattle (SEA). -
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 Tahiti Nui, Air Canada, Alaska Airlines, Hawaiian Airlines and Brussels Airlines. -
How many airports are there in Seattle (SEA)?
There are 3 airport(s) near Seattle (SEA): King County (Boeing Field) International Airport, Lake Union Sea Plane Base and Seattle–Tacoma International Airport.
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.
Being flexible with your dates to get the cheapest Toronto to Seattle ticket.
Tap "Date" on flight search bar to scan through the calender for Toronto to Seattle airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Sat, May 24 at AED 571 for one-way flights.
Compare cheap Toronto to Seattle flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Toronto to Seattle. The cheapest airline operating is Alaska Airlines.
Set up a Price Alert
By setting up a Price Alert for your Toronto to Seattle route, you can easily track the price of your airline tickets from without manually checking every day.
Don't miss cheap Toronto to Seattle flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Toronto to Seattle to get exclusive deals for you.
Flight Info | Toronto to Seattle
Cheapest one-way flight price | AED 257 |
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Cheapest return ticket price | AED 811 |
Off-season for travel | March |
Peak season for travel | January |
Flight distance | 3,325.49 km |
Average flight time | 5 hours 20 minutes |
Popular airline | Alaska Airlines |
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