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Cheap flights from Toronto (YTO) to Seattle (BFI)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Toronto (YTO) to Seattle (BFI)

How to find the cheapest flight from Toronto (YTO) to Seattle (BFI)
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How to find the cheapest flight from Toronto (YTO) to Seattle (BFI)
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How to find the cheapest flight from Toronto (YTO) to Seattle (BFI)
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Cheap flights from Toronto to Seattle in August , September 2026

26 Aug - 15 Sep $ 803.00
YTO
Toronto
Air Canada
2 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
2 STOPS
YTO
Toronto
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31 Aug - 15 Sep $ 871.00
YTO
Toronto
Air Canada
2 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
2 STOPS
YTO
Toronto
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31 Aug - 22 Sep $ 876.00
YTO
Toronto
Air Canada
2 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
2 STOPS
YTO
Toronto
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Last minute flights from Toronto to Seattle

26 Aug - 01 Sep $ 843.00
YTO
Toronto
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YTO
Toronto
Pick dates
27 Aug - 01 Sep $ 843.00
YTO
Toronto
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YTO
Toronto
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31 Aug - 01 Sep $ 912.00
YTO
Toronto
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YTO
Toronto
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One-way flights to Seattle from Toronto

10:40 PM - 4:05 PM
Air Excursions
2 Stops
21h 15m
YTO - BFI
$ 488
Kiwi
Pick dates
10:40 PM - 5:45 PM
Air Excursions
2 Stops
22h 55m
YTO - BFI
$ 488
Kiwi
Pick dates
11:40 PM - 4:05 PM
Air Excursions
3 Stops
20h 15m
YTO - BFI
$ 498
Kiwi
Pick dates

How to find the cheapest flight from Toronto (YTO) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from Toronto (YTO) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Toronto (YTO) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.