Cheap Flights from Toronto (YYZ) to Seattle (SEA) from HK$1,124~

View HK$1,124 flight on Sat, 13 Dec 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$1,124 for one-way flights and HK$1,853 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 22 Oct - Sat, 25 Oct
YYZ
Toronto
SEA
Seattle
HK$1,853 Return, found 6 days ago
HK$1,853
Return
found 6 days ago
Select Air Canada flight, departing Wed, 22 Oct from Toronto to Seattle, returning Sat, 25 Oct, priced at HK$1,853 found 6 days ago
Air Canada
Wed, 22 Oct - Tue, 28 Oct
YYZ
Toronto
SEA
Seattle
HK$1,874 Return, found 6 days ago
HK$1,874
Return
found 6 days ago
Select Air Canada flight, departing Wed, 22 Oct from Toronto to Seattle, returning Tue, 28 Oct, priced at HK$1,874 found 6 days ago
Air Canada
Wed, 22 Oct - Thu, 30 Oct
YYZ
Toronto
SEA
Seattle
HK$1,905 Return, found 6 days ago
HK$1,905
Return
found 6 days ago
Select Air Canada flight, departing Wed, 22 Oct from Toronto to Seattle, returning Thu, 30 Oct, priced at HK$1,905 found 6 days ago
United
Sat, 18 Oct - Sat, 25 Oct
YYZ
Toronto
SEA
Seattle
HK$1,918 Return, found 6 days ago
HK$1,918
Return
found 6 days ago
Select United flight, departing Sat, 18 Oct from Toronto to Seattle, returning Sat, 25 Oct, priced at HK$1,918 found 6 days ago
Air Canada
Wed, 22 Oct - Mon, 27 Oct
YYZ
Toronto
SEA
Seattle
HK$1,937 Return, found 6 days ago
HK$1,937
Return
found 6 days ago
Select Air Canada flight, departing Wed, 22 Oct from Toronto to Seattle, returning Mon, 27 Oct, priced at HK$1,937 found 6 days ago
United
Sat, 18 Oct - Tue, 28 Oct
YYZ
Toronto
SEA
Seattle
HK$1,949 Return, found 6 days ago
HK$1,949
Return
found 6 days ago
Select United flight, departing Sat, 18 Oct from Toronto to Seattle, returning Tue, 28 Oct, priced at HK$1,949 found 6 days ago
United
Thu, 16 Oct - Sat, 25 Oct
YYZ
Toronto
SEA
Seattle
HK$1,981 Return, found 6 days ago
HK$1,981
Return
found 6 days ago
Select United flight, departing Thu, 16 Oct from Toronto to Seattle, returning Sat, 25 Oct, priced at HK$1,981 found 6 days ago
United
Thu, 16 Oct - Tue, 28 Oct
YYZ
Toronto
SEA
Seattle
HK$2,012 Return, found 6 days ago
HK$2,012
Return
found 6 days ago
Select United flight, departing Thu, 16 Oct from Toronto to Seattle, returning Tue, 28 Oct, priced at HK$2,012 found 6 days ago
United
Thu, 16 Oct - Thu, 30 Oct
YYZ
Toronto
SEA
Seattle
HK$2,044 Return, found 6 days ago
HK$2,044
Return
found 6 days ago
Select United flight, departing Thu, 16 Oct from Toronto to Seattle, returning Thu, 30 Oct, priced at HK$2,044 found 6 days ago
WestJet
Thu, 25 Dec - Tue, 30 Dec
YYZ
Toronto
SEA
Seattle
HK$3,694 Return, found 2 days ago
HK$3,694
Return
found 2 days ago
Select WestJet flight, departing Thu, 25 Dec from Toronto to Seattle, returning Tue, 30 Dec, priced at HK$3,694 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 HK$1,775 - HK$2,906 per traveller.
Toronto to Seattle route information
Origin airport
Pearson Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
HK$1,853
Distance
3288 km
Average flight time
2 hours 21 mins

Flights from Toronto to Seattle

Book cheap flights from Toronto (YYZ) to Seattle (SEA) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Toronto (YYZ) to Seattle (SEA) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be 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 (YYZ) to Seattle (SEA) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Seattle flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Seattle and things to do in Seattle for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Seattle more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is HK$1,124 now!

 

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 HK$1,853. 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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