฿5,265 Cheap Flights from Toronto (YYZ) to Seattle (SEA)

View ฿5,265 flight on Sun, 22 Mar 2026Opens in a new window

Popular airlines from Toronto Pearson Intl. Airport (YYZ) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Toronto (YYZ) to Seattle (SEA)

Prices were available within the past 7 days and start at ฿5,265 for one-way flights and ฿8,905 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 10 Nov - Tue, 18 Nov
YYZ
Toronto
SEA
Seattle
฿8,905 Return, found 1 day ago
฿8,905
Return
found 1 day ago
Select Delta flight, departing Mon, 10 Nov from Toronto to Seattle, returning Tue, 18 Nov, priced at ฿8,905 found 1 day ago
Air Canada
Mon, 10 Nov - Tue, 18 Nov
YYZ
Toronto
SEA
Seattle
฿9,460 Return, found 1 day ago
฿9,460
Return
found 1 day ago
Select Air Canada flight, departing Mon, 10 Nov from Toronto to Seattle, returning Tue, 18 Nov, priced at ฿9,460 found 1 day ago
Air Canada
Mon, 10 Nov - Tue, 18 Nov
YYZ
Toronto
SEA
Seattle
฿9,460 Return, found 1 day ago
฿9,460
Return
found 1 day ago
Select Air Canada flight, departing Mon, 10 Nov from Toronto to Seattle, returning Tue, 18 Nov, priced at ฿9,460 found 1 day ago
United
Mon, 10 Nov - Tue, 18 Nov
YYZ
Toronto
SEA
Seattle
฿9,645 Return, found 1 day ago
฿9,645
Return
found 1 day ago
Select United flight, departing Mon, 10 Nov from Toronto to Seattle, returning Tue, 18 Nov, priced at ฿9,645 found 1 day ago
WestJet
Sun, 22 Mar - Sun, 29 Mar
YYZ
Toronto
SEA
Seattle
฿9,740 Return, found 1 day ago
฿9,740
Return
found 1 day ago
Select WestJet flight, departing Sun, 22 Mar from Toronto to Seattle, returning Sun, 29 Mar, priced at ฿9,740 found 1 day ago
Delta
Mon, 10 Nov - Tue, 18 Nov
YYZ
Toronto
SEA
Seattle
฿10,060 Return, found 1 day ago
฿10,060
Return
found 1 day ago
Select Delta flight, departing Mon, 10 Nov from Toronto to Seattle, returning Tue, 18 Nov, priced at ฿10,060 found 1 day ago
United
Mon, 10 Nov - Tue, 18 Nov
YYZ
Toronto
SEA
Seattle
฿10,215 Return, found 1 day ago
฿10,215
Return
found 1 day ago
Select United flight, departing Mon, 10 Nov from Toronto to Seattle, returning Tue, 18 Nov, priced at ฿10,215 found 1 day ago
WestJet
Sun, 22 Mar - Sun, 29 Mar
YYZ
Toronto
SEA
Seattle
฿10,610 Return, found 1 day ago
฿10,610
Return
found 1 day ago
Select WestJet flight, departing Sun, 22 Mar from Toronto to Seattle, returning Sun, 29 Mar, priced at ฿10,610 found 1 day ago
Delta
Mon, 10 Nov - Tue, 18 Nov
YYZ
Toronto
SEA
Seattle
฿10,835 Return, found 1 day ago
฿10,835
Return
found 1 day ago
Select Delta flight, departing Mon, 10 Nov from Toronto to Seattle, returning Tue, 18 Nov, priced at ฿10,835 found 1 day ago
American Airlines
Mon, 10 Nov - Tue, 18 Nov
YYZ
Toronto
SEA
Seattle
฿11,085 Return, found 1 day ago
฿11,085
Return
found 1 day ago
Select American Airlines flight, departing Mon, 10 Nov from Toronto to Seattle, returning Tue, 18 Nov, priced at ฿11,085 found 1 day ago

Find the cheapest month to fly from Toronto (YYZ) to Seattle (SEA)

November is typically the cheapest month to fly

From ฿7,084 - ฿12,073 per traveller.

Frequently asked questions

How much is a flight from Toronto Pearson Airport to SEA?
If you're travelling from Toronton Pearson to SEA, round-trip journeys start from ฿8,905. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Pearson Intl. Airport (YYZ) to Sea-Tac Airport?
The majority of flights can be cancelled online, but whether you are charged a fee all comes down to your airline. If you do have to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Toronton Pearson to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Pearson Intl. Airport (YYZ) to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Toronton Pearson to Sea-Tac Airport?
Around 3,300 kilometres separates Mississauga and SeaTac, so pack some in-flight entertainment to help you while away a couple of hours. That thrilling novel you haven't had time to start will be ideal.
Which airlines fly direct from Toronto Pearson Airport to SEA?
Air Canada (AC) will get you from Pearson Intl. Airport (YYZ) to Seattle - Tacoma Intl. Airport (SEA) safely and reliably. Take your pick of 30 flights every month along this route.
Are Toronto Pearson Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to nab great last-minute deals from Toronton Pearson to Sea-Tac Airport, but it's also possible to miss out entirely! As many airlines release seats up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares air carrier prices and updates flight deals often, so you can be certain you're always seeing the latest offers.

Travel information

Origin airport
Pearson Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
฿8,905
Distance
3288 km
Average flight time
3 hours 17 mins

Book with confidence

Perfect flights from Toronto to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Toronto to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Pearson Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿5,265 and roundtrip prices from ฿8,905. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.
Perfect flights from Toronto to Seattle

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