Cheap Flights from Toronto (YTO) to Seattle (SEA) from HK$1,207~

View HK$1,207 flight on Wed, 15 Apr 2026Opens in a new window

Popular airlines from Toronto to Seattle, WA (SEA-Seattle - Tacoma Intl.)

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

Prices were available within the past 7 days and start at HK$1,207 for one-way flights and HK$2,290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 31 May - Sat, 6 Jun
YYZ
Toronto
SEA
Seattle
HK$2,290 Return, found 2 days ago
HK$2,290
Return
found 2 days ago
Select Air Canada flight, departing Sun, 31 May from Toronto to Seattle, returning Sat, 6 Jun, priced at HK$2,290 found 2 days ago
Delta
Sat, 30 May - Fri, 5 Jun
YYZ
Toronto
SEA
Seattle
HK$2,334 Return, found 2 days ago
HK$2,334
Return
found 2 days ago
Select Delta flight, departing Sat, 30 May from Toronto to Seattle, returning Fri, 5 Jun, priced at HK$2,334 found 2 days ago
Air Canada
Sun, 31 May - Fri, 5 Jun
YYZ
Toronto
SEA
Seattle
HK$2,353 Return, found 2 days ago
HK$2,353
Return
found 2 days ago
Select Air Canada flight, departing Sun, 31 May from Toronto to Seattle, returning Fri, 5 Jun, priced at HK$2,353 found 2 days ago
Delta
Sun, 31 May - Fri, 5 Jun
YYZ
Toronto
SEA
Seattle
HK$2,397 Return, found 2 days ago
HK$2,397
Return
found 2 days ago
Select Delta flight, departing Sun, 31 May from Toronto to Seattle, returning Fri, 5 Jun, priced at HK$2,397 found 2 days ago
Delta
Thu, 23 Apr - Wed, 29 Apr
YYZ
Toronto
SEA
Seattle
HK$2,398 Return, found 3 days ago
HK$2,398
Return
found 3 days ago
Select Delta flight, departing Thu, 23 Apr from Toronto to Seattle, returning Wed, 29 Apr, priced at HK$2,398 found 3 days ago
Delta
Thu, 23 Apr - Wed, 29 Apr
YYZ
Toronto
SEA
Seattle
HK$2,430 Return, found 3 days ago
HK$2,430
Return
found 3 days ago
Select Delta flight, departing Thu, 23 Apr from Toronto to Seattle, returning Wed, 29 Apr, priced at HK$2,430 found 3 days ago
Delta
Sat, 30 May - Sat, 6 Jun
YYZ
Toronto
SEA
Seattle
HK$2,481 Return, found 2 days ago
HK$2,481
Return
found 2 days ago
Select Delta flight, departing Sat, 30 May from Toronto to Seattle, returning Sat, 6 Jun, priced at HK$2,481 found 2 days ago
American Airlines
Thu, 23 Apr - Wed, 29 Apr
YYZ
Toronto
SEA
Seattle
HK$2,682 Return, found 3 days ago
HK$2,682
Return
found 3 days ago
Select American Airlines flight, departing Thu, 23 Apr from Toronto to Seattle, returning Wed, 29 Apr, priced at HK$2,682 found 3 days ago
WestJet
Thu, 23 Apr - Wed, 29 Apr
YYZ
Toronto
SEA
Seattle
HK$2,706 Return, found 3 days ago
HK$2,706
Return
found 3 days ago
Select WestJet flight, departing Thu, 23 Apr from Toronto to Seattle, returning Wed, 29 Apr, priced at HK$2,706 found 3 days ago
United
Sat, 30 May - Sat, 6 Jun
YYZ
Toronto
SEA
Seattle
HK$3,069 Return, found 2 days ago
HK$3,069
Return
found 2 days ago
Select United flight, departing Sat, 30 May from Toronto to Seattle, returning Sat, 6 Jun, priced at HK$3,069 found 2 days ago

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

May is typically the cheapest month to fly

From HK$1,387 - HK$3,752 per traveller.

Travel information

Origin airport
Pearson Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Return price
HK$2,290
Distance
3288 km

Book with confidence

Flights from Ontario to Seattle

Book cheap flights from Ontario (YTO) 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 Ontario (YTO) 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 Ontario (YTO) 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$1,207 now!

 

Flights from Ontario to Seattle
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