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

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1 Adults (11+)
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 September , October 2026

30 Sep - 30 Oct $ 952.00
YTO
Toronto
Air Canada
2 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
YTO
Toronto
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30 Sep - 30 Oct $ 969.00
YTO
Toronto
Air Canada
3 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
YTO
Toronto
Pick dates
30 Sep - 30 Oct $ 1,031.00
YTO
Toronto
Air Canada
2 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
YTO
Toronto
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One-way flights to Seattle from Toronto

10:25 PM - 9:25 PM
Air Excursions
2 Stops
26h 50m
YTO - BFI
$ 605
Kiwi
Pick dates
11:05 PM - 9:25 PM
Air Excursions
3 Stops
26h 10m
YTO - BFI
$ 621
Kiwi
Pick dates
10:25 PM - 4:05 PM
Air Excursions
2 Stops
21h 30m
YTO - BFI
$ 684
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.