Flights From Toronto (YTO) to SeaTac (SEA)

Selected fares from Toronto to SeaTac

The cheapest prices found with in the last 7 days for return flights were CA $329 and CA $200 for one-way flights to SeaTac for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 17 - Sat, Jan 24

YYZ

Pearson Intl.

SEA

Seattle - Tacoma Intl.

CA $329 Roundtrip, just found

CA $329

Roundtrip

just found

Select Alaska Airlines flight, departing Sat, Jan 17 from Pearson Intl. to Seattle - Tacoma Intl., returning Sat, Jan 24, priced at CA $329 just found

Sun, May 10 - Sun, May 17

YYZ

Pearson Intl.

SEA

Seattle - Tacoma Intl.

CA $342 Roundtrip, found 2 days ago

CA $342

Roundtrip

found 2 days ago

Select WestJet flight, departing Sun, May 10 from Pearson Intl. to Seattle - Tacoma Intl., returning Sun, May 17, priced at CA $342 found 2 days ago

Mon, Apr 27 - Tue, May 5

YKF

Region of Waterloo Intl.

SEA

Seattle - Tacoma Intl.

CA $362 Roundtrip, found 5 days ago

CA $362

Roundtrip

found 5 days ago

Select WestJet flight, departing Mon, Apr 27 from Region of Waterloo Intl. to Seattle - Tacoma Intl., returning Tue, May 5, priced at CA $362 found 5 days ago