CA $182 Cheap WestJet fights from Seattle (SEA) to Toronto (YYZ)

View CA $182 flight on Tue, Oct. 14, 2025Opens in a new window

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WestJet flights from Seattle to Toronto (SEA→YYZ)

Prices were available within the past 7 days and start at CA $182 for one-way flights and CA $389 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Thu, Oct. 23 - Mon, Oct. 27
SEA
Seattle
YYZ
Toronto
CA $389 Roundtrip, found 2 days ago
CA $389
Roundtrip
found 2 days ago
Select WestJet flight, departing Thu, Oct. 23 from Seattle to Toronto, returning Mon, Oct. 27, priced at CA $389 found 2 days ago
WestJet
Tue, Aug. 19 - Wed, Aug. 20
SEA
Seattle
YYZ
Toronto
CA $389 Roundtrip, found 5 days ago
CA $389
Roundtrip
found 5 days ago
Select WestJet flight, departing Tue, Aug. 19 from Seattle to Toronto, returning Wed, Aug. 20, priced at CA $389 found 5 days ago
WestJet
Tue, Oct. 14 - Wed, Oct. 22
SEA
Seattle
YYZ
Toronto
CA $395 Roundtrip, found 3 days ago
CA $395
Roundtrip
found 3 days ago
Select WestJet flight, departing Tue, Oct. 14 from Seattle to Toronto, returning Wed, Oct. 22, priced at CA $395 found 3 days ago
WestJet
Tue, Oct. 14 - Wed, Oct. 22
SEA
Seattle
YYZ
Toronto
CA $396 Roundtrip, found 3 days ago
CA $396
Roundtrip
found 3 days ago
Select WestJet flight, departing Tue, Oct. 14 from Seattle to Toronto, returning Wed, Oct. 22, priced at CA $396 found 3 days ago
WestJet
Wed, Aug. 27 - Fri, Aug. 29
SEA
Seattle
YYZ
Toronto
CA $403 Roundtrip, found 2 hours ago
CA $403
Roundtrip
found 2 hours ago
Select WestJet flight, departing Wed, Aug. 27 from Seattle to Toronto, returning Fri, Aug. 29, priced at CA $403 found 2 hours ago
WestJet
Tue, Sep. 23 - Tue, Sep. 30
SEA
Seattle
YYZ
Toronto
CA $403 Roundtrip, found 5 days ago
CA $403
Roundtrip
found 5 days ago
Select WestJet flight, departing Tue, Sep. 23 from Seattle to Toronto, returning Tue, Sep. 30, priced at CA $403 found 5 days ago
WestJet
Mon, Oct. 6 - Tue, Oct. 14
SEA
Seattle
YYZ
Toronto
CA $406 Roundtrip, found 1 hour ago
CA $406
Roundtrip
found 1 hour ago
Select WestJet flight, departing Mon, Oct. 6 from Seattle to Toronto, returning Tue, Oct. 14, priced at CA $406 found 1 hour ago
Flight from Seattle to Toronto (SEA - YYZ) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Pearson Intl.
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Delta, United, WestJet
Popular airline
WestJet
Distance
3288 km
Average flight time
8 hours 23 mins
*Available to Expedia members.