￥21,050 Cheap Flights from Toronto (YYZ) to Seattle (SEA)

View ￥21,050 flight on Sat, Jan 24, 2026Opens in a new window

Popular airlines from Toronto Pearson Intl. Airport (YYZ) to Seattle

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Cheap Flights from Toronto to Seattle (YYZ-SEA)

Prices were available within the past 7 days and start at ￥21,050 for one-way flights and ￥35,280 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Jan 24 - Sat, Jan 31
YYZ
Toronto
SEA
Seattle
￥35,280 Roundtrip, found 3 days ago
￥35,280
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Jan 24 from Toronto to Seattle, returning Sat, Jan 31, priced at ￥35,280 found 3 days ago
Air Canada
Wed, Jan 28 - Wed, Feb 4
YYZ
Toronto
SEA
Seattle
￥36,940 Roundtrip, found 5 days ago
￥36,940
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Jan 28 from Toronto to Seattle, returning Wed, Feb 4, priced at ￥36,940 found 5 days ago
Air Canada
Wed, Jan 28 - Wed, Feb 4
YYZ
Toronto
SEA
Seattle
￥37,000 Roundtrip, found 5 days ago
￥37,000
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Jan 28 from Toronto to Seattle, returning Wed, Feb 4, priced at ￥37,000 found 5 days ago
United
Wed, Jan 28 - Wed, Feb 4
YYZ
Toronto
SEA
Seattle
￥37,820 Roundtrip, found 5 days ago
￥37,820
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 28 from Toronto to Seattle, returning Wed, Feb 4, priced at ￥37,820 found 5 days ago
Air Canada
Sat, Jan 17 - Tue, Jan 20
YYZ
Toronto
SEA
Seattle
￥38,066 Roundtrip, found 2 days ago
￥38,066
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, Jan 17 from Toronto to Seattle, returning Tue, Jan 20, priced at ￥38,066 found 2 days ago
Air Canada
Sat, Jan 17 - Tue, Jan 20
YYZ
Toronto
SEA
Seattle
￥38,120 Roundtrip, found 2 days ago
￥38,120
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, Jan 17 from Toronto to Seattle, returning Tue, Jan 20, priced at ￥38,120 found 2 days ago
Air Canada
Sat, Jan 24 - Sat, Jan 31
YYZ
Toronto
SEA
Seattle
￥38,640 Roundtrip, found 3 days ago
￥38,640
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sat, Jan 24 from Toronto to Seattle, returning Sat, Jan 31, priced at ￥38,640 found 3 days ago
United
Sat, Jan 17 - Tue, Jan 20
YYZ
Toronto
SEA
Seattle
￥38,936 Roundtrip, found 2 days ago
￥38,936
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jan 17 from Toronto to Seattle, returning Tue, Jan 20, priced at ￥38,936 found 2 days ago
WestJet
Wed, Jan 28 - Wed, Feb 4
YYZ
Toronto
SEA
Seattle
￥39,620 Roundtrip, found 5 days ago
￥39,620
Roundtrip
found 5 days ago
Select WestJet flight, departing Wed, Jan 28 from Toronto to Seattle, returning Wed, Feb 4, priced at ￥39,620 found 5 days ago
Delta
Wed, Jan 28 - Wed, Feb 4
YYZ
Toronto
SEA
Seattle
￥42,554 Roundtrip, found 5 days ago
￥42,554
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jan 28 from Toronto to Seattle, returning Wed, Feb 4, priced at ￥42,554 found 5 days ago

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

February is typically the cheapest month to fly

From ￥30,868 - ￥44,114 per traveler.
Flights from Toronto (YYZ) to Seattle (SEA)
Origin airport
Pearson Intl.
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
￥35,280
Distance
3288 km
Average flight time
3 hours 58 mins

Toronto to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Toronto to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with YYZ to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Toronto for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from YYZ to Seattle - Tacoma Intl. Airport (SEA)?
If you're traveling between Pearson Intl. Airport (YYZ) and SEA, round-trip flights start from ￥35,280. This figure is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself 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 Toronto Pearson Airport to SEA?
This varies from airline to airline, as each has its own terms and conditions. Head to the Customer Service Portal, where you'll find instructions on how to cancel online.
How do I find cheap flights from YYZ 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 Toronton Pearson to SEA flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Toronton Pearson to Sea-Tac Airport?
Lasting around 12 hours and 20 minutes, the flight between Toronto Pearson Airport and SEA is a good opportunity to do some last-minute trip planning. Why not use some of this time to read up on what to do in SeaTac?
How far is the flight from Pearson Intl. Airport (YYZ) to SEA?
It's around 3,300 kilometers between Mississauga and SeaTac, so expect to be flying for a while. Keep yourself entertained with things like your e-reader or a gripping book.
Which airlines fly direct from Toronton Pearson to Sea-Tac Airport?
Offering 60 monthly flights, Air Canada (AC) is a top choice when flying directly from Pearson Intl. Airport (YYZ) to Sea-Tac Airport.
Are Pearson Intl. Airport (YYZ) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Pearson Intl. Airport (YYZ) to Sea-Tac Airport at the last minute could be your ticket to a fantastic deal. However, it could end up costing a good deal more! If you'd rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

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