₩218,669 Cheap Flights from Toronto (YYZ) to Seattle (SEA)

View ₩218,669 flight on Thu, Oct 9, 2025Opens 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 ₩218,669 for one-way flights and ₩402,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Oct 24 - Sun, Oct 26
YYZ
Toronto
SEA
Seattle
₩402,800 Roundtrip, found 2 days ago
₩402,800
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Oct 24 from Toronto to Seattle, returning Sun, Oct 26, priced at ₩402,800 found 2 days ago
Delta
Fri, Oct 24 - Sun, Oct 26
YYZ
Toronto
SEA
Seattle
₩402,900 Roundtrip, found 2 days ago
₩402,900
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Oct 24 from Toronto to Seattle, returning Sun, Oct 26, priced at ₩402,900 found 2 days ago
Air Canada
Sun, Oct 12 - Sun, Oct 19
YYZ
Toronto
SEA
Seattle
₩406,232 Roundtrip, found 6 days ago
₩406,232
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Oct 12 from Toronto to Seattle, returning Sun, Oct 19, priced at ₩406,232 found 6 days ago
United
Fri, Oct 24 - Sun, Oct 26
YYZ
Toronto
SEA
Seattle
₩409,200 Roundtrip, found 2 days ago
₩409,200
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 24 from Toronto to Seattle, returning Sun, Oct 26, priced at ₩409,200 found 2 days ago
United
Fri, Oct 24 - Sun, Oct 26
YYZ
Toronto
SEA
Seattle
₩409,300 Roundtrip, found 2 days ago
₩409,300
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 24 from Toronto to Seattle, returning Sun, Oct 26, priced at ₩409,300 found 2 days ago
United
Fri, Oct 24 - Sun, Oct 26
YYZ
Toronto
SEA
Seattle
₩415,700 Roundtrip, found 2 days ago
₩415,700
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 24 from Toronto to Seattle, returning Sun, Oct 26, priced at ₩415,700 found 2 days ago
WestJet
Sun, Oct 12 - Sun, Oct 19
YYZ
Toronto
SEA
Seattle
₩430,334 Roundtrip, found 6 days ago
₩430,334
Roundtrip
found 6 days ago
Select WestJet flight, departing Sun, Oct 12 from Toronto to Seattle, returning Sun, Oct 19, priced at ₩430,334 found 6 days ago
Air Canada
Sun, Oct 12 - Sun, Oct 19
YYZ
Toronto
SEA
Seattle
₩433,733 Roundtrip, found 6 days ago
₩433,733
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Oct 12 from Toronto to Seattle, returning Sun, Oct 19, priced at ₩433,733 found 6 days ago
Air Canada
Fri, Oct 24 - Sun, Oct 26
YYZ
Toronto
SEA
Seattle
₩434,351 Roundtrip, found 2 days ago
₩434,351
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Oct 24 from Toronto to Seattle, returning Sun, Oct 26, priced at ₩434,351 found 2 days ago
American Airlines
Fri, Oct 24 - Sun, Oct 26
YYZ
Toronto
SEA
Seattle
₩444,900 Roundtrip, found 2 days ago
₩444,900
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 24 from Toronto to Seattle, returning Sun, Oct 26, priced at ₩444,900 found 2 days ago

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

October is typically the cheapest month to fly

From ₩315,978 - ₩458,899 per traveler.

Graph displaying average flight prices per month

Flights from Toronto (YYZ) to Seattle (SEA)
Origin airport
Pearson Intl.
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
₩402,800
Distance
3288 km
Average flight time
2 hours 22 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 Seattle 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 Toronto Pearson Airport to SEA?
If you're traveling from Toronton Pearson to SEA, round-trip journeys start from ₩402,800. 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 canceled 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 kilometers 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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Billy Bishop Toronto City to Seattle
₩1,072,000
*Available to Expedia members.