￥23,134 Cheap Flights from Toronto (YYZ) to Seattle (SEA)

View ￥23,134 flight on Fri, Jan 9, 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 to Seattle (YYZ-SEA)

Prices were available within the past 7 days and start at ￥23,134 for one-way flights and ￥38,770 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Fri, Jan 9 - Mon, Jan 12
YYZ
Toronto
SEA
Seattle
￥38,770 Roundtrip, found 6 days ago
￥38,770
Roundtrip
found 6 days ago
Select WestJet flight, departing Fri, Jan 9 from Toronto to Seattle, returning Mon, Jan 12, priced at ￥38,770 found 6 days ago
Delta
Thu, Dec 4 - Wed, Dec 10
YYZ
Toronto
SEA
Seattle
￥41,350 Roundtrip, found 9 hours ago
￥41,350
Roundtrip
found 9 hours ago
Select Delta flight, departing Thu, Dec 4 from Toronto to Seattle, returning Wed, Dec 10, priced at ￥41,350 found 9 hours ago
Air Canada
Thu, Dec 4 - Wed, Dec 10
YYZ
Toronto
SEA
Seattle
￥41,587 Roundtrip, found 9 hours ago
￥41,587
Roundtrip
found 9 hours ago
Select Air Canada flight, departing Thu, Dec 4 from Toronto to Seattle, returning Wed, Dec 10, priced at ￥41,587 found 9 hours ago
Delta
Fri, Dec 5 - Wed, Dec 10
YYZ
Toronto
SEA
Seattle
￥41,635 Roundtrip, found 4 days ago
￥41,635
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Dec 5 from Toronto to Seattle, returning Wed, Dec 10, priced at ￥41,635 found 4 days ago
United
Sat, Jan 10 - Sat, Jan 17
YYZ
Toronto
SEA
Seattle
￥41,660 Roundtrip, found 6 days ago
￥41,660
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jan 10 from Toronto to Seattle, returning Sat, Jan 17, priced at ￥41,660 found 6 days ago
American Airlines
Sat, Jan 10 - Sat, Jan 17
YYZ
Toronto
SEA
Seattle
￥41,889 Roundtrip, found 6 days ago
￥41,889
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Jan 10 from Toronto to Seattle, returning Sat, Jan 17, priced at ￥41,889 found 6 days ago
Air Canada
Sat, Jan 10 - Sat, Jan 17
YYZ
Toronto
SEA
Seattle
￥42,014 Roundtrip, found 6 days ago
￥42,014
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sat, Jan 10 from Toronto to Seattle, returning Sat, Jan 17, priced at ￥42,014 found 6 days ago
United
Thu, Dec 4 - Wed, Dec 10
YYZ
Toronto
SEA
Seattle
￥42,510 Roundtrip, found 9 hours ago
￥42,510
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Dec 4 from Toronto to Seattle, returning Wed, Dec 10, priced at ￥42,510 found 9 hours ago
American Airlines
Thu, Dec 4 - Wed, Dec 10
YYZ
Toronto
SEA
Seattle
￥42,556 Roundtrip, found 9 hours ago
￥42,556
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Toronto to Seattle, returning Wed, Dec 10, priced at ￥42,556 found 9 hours ago
United
Fri, Dec 5 - Wed, Dec 10
YYZ
Toronto
SEA
Seattle
￥42,793 Roundtrip, found 4 days ago
￥42,793
Roundtrip
found 4 days ago
Select United flight, departing Fri, Dec 5 from Toronto to Seattle, returning Wed, Dec 10, priced at ￥42,793 found 4 days ago

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

January is typically the cheapest month to fly

From ￥33,667 - ￥70,574 per traveler.

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 ￥38,770. 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.

Travel information

Origin airport
Pearson Intl.
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
￥38,769
Distance
3288 km
Average flight time
3 hours 56 mins

Book with confidence

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.

Toronto to Seattle Flights

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