Cheap flights from Seattle to Niagara Wine Region

View AU$177 flight on Thu, 18 Sep. 2025Opens in a new window

Popular airlines from Seattle to Niagara Wine Region

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Cheap Flights from Seattle (SEA) to Niagara Wine Region (YTZ)

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
Thu, 18 Sep. - Sun, 21 Sep.
SEA
Seattle
YKF
Kitchener
AU$409 Return, found 3 days ago
AU$409
Return
found 3 days ago
Select WestJet flight, departing Thu, 18 Sep. from Seattle to Kitchener, returning Sun, 21 Sep., priced at AU$409 found 3 days ago
Alaska Airlines
Thu, 18 Sep. - Sun, 21 Sep.
SEA
Seattle
YYZ
Toronto
AU$410 Return, found 3 days ago
AU$410
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 18 Sep. from Seattle to Toronto, returning Sun, 21 Sep., priced at AU$410 found 3 days ago
Alaska Airlines
Sat, 1 Nov. - Wed, 5 Nov.
SEA
Seattle
YYZ
Toronto
AU$416 Return, found 3 days ago
AU$416
Return
found 3 days ago
Select Alaska Airlines flight, departing Sat, 1 Nov. from Seattle to Toronto, returning Wed, 5 Nov., priced at AU$416 found 3 days ago
Delta
Sat, 1 Nov. - Wed, 5 Nov.
SEA
Seattle
YYZ
Toronto
AU$433 Return, found 3 days ago
AU$433
Return
found 3 days ago
Select Delta flight, departing Sat, 1 Nov. from Seattle to Toronto, returning Wed, 5 Nov., priced at AU$433 found 3 days ago
United
Wed, 13 Aug. - Wed, 3 Sep.
SEA
Seattle
YYZ
Toronto
AU$435 Return, found 6 days ago
AU$435
Return
found 6 days ago
Select United flight, departing Wed, 13 Aug. from Seattle to Toronto, returning Wed, 3 Sep., priced at AU$435 found 6 days ago
Air Canada
Thu, 18 Sep. - Sun, 21 Sep.
SEA
Seattle
YYZ
Toronto
AU$439 Return, found 3 days ago
AU$439
Return
found 3 days ago
Select Air Canada flight, departing Thu, 18 Sep. from Seattle to Toronto, returning Sun, 21 Sep., priced at AU$439 found 3 days ago

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

January is typically the cheapest month to fly

From AU$341 - AU$889 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.