S$234 Cheap Flights from Toronto to Seattle

View S$234 flight on Thu, 10 Jul,2025Opens in a new window

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Cheap Flights from Toronto to Seattle (YYZ-SEA)

Prices were available within the past 7 days and start at S$234 for one-way flights and S$428 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, 3 May - Sat, 10 May
YYZ
Toronto
SEA
Seattle
S$428 Return, found 5 days ago
S$428
Return
found 5 days ago
Select Air Canada flight, departing Sat, 3 May from Toronto to Seattle, returning Sat, 10 May, priced at S$428 found 5 days ago
Delta
Mon, 28 Apr - Wed, 7 May
YYZ
Toronto
SEA
Seattle
S$434 Return, found 4 days ago
S$434
Return
found 4 days ago
Select Delta flight, departing Mon, 28 Apr from Toronto to Seattle, returning Wed, 7 May, priced at S$434 found 4 days ago
United
Sat, 3 May - Sat, 10 May
YYZ
Toronto
SEA
Seattle
S$435 Return, found 5 days ago
S$435
Return
found 5 days ago
Select United flight, departing Sat, 3 May from Toronto to Seattle, returning Sat, 10 May, priced at S$435 found 5 days ago
Air Canada
Thu, 10 Apr - Wed, 16 Apr
YYZ
Toronto
SEA
Seattle
S$441 Return, found 5 days ago
S$441
Return
found 5 days ago
Select Air Canada flight, departing Thu, 10 Apr from Toronto to Seattle, returning Wed, 16 Apr, priced at S$441 found 5 days ago
United
Thu, 10 Apr - Wed, 16 Apr
YYZ
Toronto
SEA
Seattle
S$450 Return, found 5 days ago
S$450
Return
found 5 days ago
Select United flight, departing Thu, 10 Apr from Toronto to Seattle, returning Wed, 16 Apr, priced at S$450 found 5 days ago
Air Canada
Thu, 10 Apr - Wed, 16 Apr
YYZ
Toronto
SEA
Seattle
S$452 Return, found 5 days ago
S$452
Return
found 5 days ago
Select Air Canada flight, departing Thu, 10 Apr from Toronto to Seattle, returning Wed, 16 Apr, priced at S$452 found 5 days ago
United
Mon, 28 Apr - Wed, 7 May
YYZ
Toronto
SEA
Seattle
S$458 Return, found 4 days ago
S$458
Return
found 4 days ago
Select United flight, departing Mon, 28 Apr from Toronto to Seattle, returning Wed, 7 May, priced at S$458 found 4 days ago
American Airlines
Sat, 3 May - Sat, 10 May
YYZ
Toronto
SEA
Seattle
S$469 Return, found 5 days ago
S$469
Return
found 5 days ago
Select American Airlines flight, departing Sat, 3 May from Toronto to Seattle, returning Sat, 10 May, priced at S$469 found 5 days ago
Air Canada
Sat, 3 May - Sat, 10 May
YYZ
Toronto
SEA
Seattle
S$471 Return, found 5 days ago
S$471
Return
found 5 days ago
Select Air Canada flight, departing Sat, 3 May from Toronto to Seattle, returning Sat, 10 May, priced at S$471 found 5 days ago
Delta
Mon, 28 Apr - Wed, 7 May
YYZ
Toronto
SEA
Seattle
S$473 Return, found 4 days ago
S$473
Return
found 4 days ago
Select Delta flight, departing Mon, 28 Apr from Toronto to Seattle, returning Wed, 7 May, priced at S$473 found 4 days ago
Toronto to Seattle route information
Origin airport
Pearson Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, American Airlines, Delta, United
Return price
S$427
Distance
3288 km

Flights from Toronto to Seattle

There are several airlines that operate frequent flights from Toronto (YYZ) to Seattle (SEA) including

The earliest flight leaves Pearson Intl. Airport at 08:00 and arrives at Seattle Tacoma Intl. Airport at 10:19. The last flight of the day departs Toronto at 19:30 and arrives at Seattle at 21:49.

The flight distance from Toronto to Seattle is about 3324 km, the shortest flight is 05 hours 10 minutes with WestJet.

Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Toronto Seattle flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Toronto to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Toronto to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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 S$428. 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.
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