Cheap flights from Seattle to Centre Island

View AU$187 flight on Sat, 13 Sep. 2025Opens in a new window

Popular airlines from Seattle to Centre Island

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Cheap Flights from Seattle (SEA) to Centre Island (YTO)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Sun, 7 Sep. - Tue, 16 Sep.
SEA
Seattle
YYZ
Toronto
AU$421 Return, found 11 hours ago
AU$421
Return
found 11 hours ago
Select WestJet flight, departing Sun, 7 Sep. from Seattle to Toronto, returning Tue, 16 Sep., priced at AU$421 found 11 hours ago
WestJet
Sun, 7 Sep. - Tue, 16 Sep.
SEA
Seattle
YYZ
Toronto
AU$429 Return, found 11 hours ago
AU$429
Return
found 11 hours ago
Select WestJet flight, departing Sun, 7 Sep. from Seattle to Toronto, returning Tue, 16 Sep., priced at AU$429 found 11 hours ago
Alaska Airlines
Sun, 7 Sep. - Tue, 16 Sep.
SEA
Seattle
YYZ
Toronto
AU$435 Return, found 11 hours ago
AU$435
Return
found 11 hours ago
Select Alaska Airlines flight, departing Sun, 7 Sep. from Seattle to Toronto, returning Tue, 16 Sep., priced at AU$435 found 11 hours ago
Air Canada
Fri, 22 Aug. - Mon, 1 Sep.
SEA
Seattle
YYZ
Toronto
AU$437 Return, found 1 day ago
AU$437
Return
found 1 day ago
Select Air Canada flight, departing Fri, 22 Aug. from Seattle to Toronto, returning Mon, 1 Sep., priced at AU$437 found 1 day ago
Delta
Fri, 5 Sep. - Mon, 8 Sep.
SEA
Seattle
YYZ
Toronto
AU$445 Return, found 18 hours ago
AU$445
Return
found 18 hours ago
Select Delta flight, departing Fri, 5 Sep. from Seattle to Toronto, returning Mon, 8 Sep., priced at AU$445 found 18 hours ago
United
Sun, 7 Sep. - Tue, 16 Sep.
SEA
Seattle
YYZ
Toronto
AU$454 Return, found 11 hours ago
AU$454
Return
found 11 hours ago
Select United flight, departing Sun, 7 Sep. from Seattle to Toronto, returning Tue, 16 Sep., priced at AU$454 found 11 hours ago

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

January is typically the cheapest month to fly

From AU$345 - AU$877 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.