Cheap flights from Seattle to Niagara Wine Region

View AU$178 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 5 days ago
AU$409
Return
found 5 days ago
Select WestJet flight, departing Thu, 18 Sep. from Seattle to Kitchener, returning Sun, 21 Sep., priced at AU$409 found 5 days ago
Alaska Airlines
Thu, 18 Sep. - Sun, 21 Sep.
SEA
Seattle
YYZ
Toronto
AU$412 Return, found 6 hours ago
AU$412
Return
found 6 hours ago
Select Alaska Airlines flight, departing Thu, 18 Sep. from Seattle to Toronto, returning Sun, 21 Sep., priced at AU$412 found 6 hours ago
Alaska Airlines
Sat, 1 Nov. - Wed, 5 Nov.
SEA
Seattle
YYZ
Toronto
AU$416 Return, found 5 days ago
AU$416
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 1 Nov. from Seattle to Toronto, returning Wed, 5 Nov., priced at AU$416 found 5 days ago
Delta
Fri, 19 Sep. - Mon, 22 Sep.
SEA
Seattle
YYZ
Toronto
AU$429 Return, found 6 hours ago
AU$429
Return
found 6 hours ago
Select Delta flight, departing Fri, 19 Sep. from Seattle to Toronto, returning Mon, 22 Sep., priced at AU$429 found 6 hours ago
United
Sat, 1 Nov. - Wed, 5 Nov.
SEA
Seattle
YYZ
Toronto
AU$437 Return, found 5 days ago
AU$437
Return
found 5 days ago
Select United flight, departing Sat, 1 Nov. from Seattle to Toronto, returning Wed, 5 Nov., priced at AU$437 found 5 days ago
Air Canada
Sat, 1 Nov. - Wed, 5 Nov.
SEA
Seattle
YYZ
Toronto
AU$446 Return, found 5 days ago
AU$446
Return
found 5 days ago
Select Air Canada flight, departing Sat, 1 Nov. from Seattle to Toronto, returning Wed, 5 Nov., priced at AU$446 found 5 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.