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

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

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

29 Sep - 16 Oct $ 861.00
BFI
Seattle
Air Excursions
2 STOPS
YTO
Toronto
YTO
Toronto
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
29 Sep - 23 Oct $ 871.00
BFI
Seattle
Air Excursions
2 STOPS
YTO
Toronto
YTO
Toronto
Air Excursions
3 STOPS
BFI
Seattle
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29 Sep - 28 Oct $ 873.00
BFI
Seattle
Air Excursions
2 STOPS
YTO
Toronto
YTO
Toronto
Air Excursions
3 STOPS
BFI
Seattle
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Last minute flights from Seattle to Toronto

27 Sep - 30 Sep $ 1,205.00
BFI
Seattle
Air Excursions
3 STOPS
YTO
Toronto
YTO
Toronto
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
28 Sep - 30 Sep $ 1,228.00
BFI
Seattle
Air Excursions
2 STOPS
YTO
Toronto
YTO
Toronto
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
27 Sep - 30 Sep $ 1,228.00
BFI
Seattle
Air Excursions
2 STOPS
YTO
Toronto
YTO
Toronto
Air Excursions
3 STOPS
BFI
Seattle
Pick dates

One-way flights to Toronto from Seattle

5:25 AM - 12:50 AM
Air Canada
3 Stops
22h 9m
BFI - YTO
$ 527
Kiwi
Pick dates
2:45 PM - 1:25 AM
Air Canada
2 Stops
15h 15m
BFI - YTO
$ 550
Kiwi
Pick dates
2:45 PM - 5:00 AM
Air Canada
3 Stops
14h 40m
BFI - YTO
$ 606
Kiwi
Pick dates

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

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