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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 May , June 2026

29 May - 23 Jun $ 836.00
BFI
Seattle
Air Excursions
2 STOPS
YTO
Toronto
YTO
Toronto
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
29 May - 23 Jun $ 839.00
BFI
Seattle
Air Excursions
2 STOPS
YTO
Toronto
YTO
Toronto
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
29 May - 05 Jun $ 922.00
BFI
Seattle
Air Excursions
2 STOPS
YTO
Toronto
YTO
Toronto
Air Excursions
2 STOPS
BFI
Seattle
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Last minute flights from Seattle to Toronto

29 May - 01 Jun $ 1,146.00
BFI
Seattle
Air Excursions
2 STOPS
YTO
Toronto
YTO
Toronto
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
29 May - 01 Jun $ 1,199.00
BFI
Seattle
Air Excursions
2 STOPS
YTO
Toronto
YTO
Toronto
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
29 May - 31 May $ 1,212.00
BFI
Seattle
Air Excursions
2 STOPS
YTO
Toronto
YTO
Toronto
Air Excursions
2 STOPS
BFI
Seattle
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One-way flights to Toronto from Seattle

8:05 PM - 7:10 PM
WestJet
2 Stops
26h
BFI - YTO
$ 448
Kiwi
Pick dates
8:05 AM - 7:10 PM
WestJet
2 Stops
14h
BFI - YTO
$ 461
Kiwi
Pick dates
8:05 AM - 7:10 PM
WestJet
2 Stops
14h
BFI - YTO
$ 569
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.