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

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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 June , July 2026

22 Jun - 14 Jul $ 882.00
YTO
Toronto
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YTO
Toronto
Pick dates
22 Jun - 29 Jul $ 885.00
YTO
Toronto
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YTO
Toronto
Pick dates
22 Jun - 21 Jul $ 885.00
YTO
Toronto
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YTO
Toronto
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Last minute flights from Toronto to Seattle

22 Jun - 30 Jun $ 943.00
YTO
Toronto
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
3 STOPS
YTO
Toronto
Pick dates
22 Jun - 30 Jun $ 987.00
YTO
Toronto
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YTO
Toronto
Pick dates
18 Jun - 30 Jun $ 990.00
YTO
Toronto
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YTO
Toronto
Pick dates

One-way flights to Seattle from Toronto

9:00 AM - 4:05 PM
Air Excursions
2 Stops
10h 55m
YTO - BFI
$ 522
Kiwi
Pick dates
9:00 AM - 4:05 PM
Air Excursions
2 Stops
10h 55m
YTO - BFI
$ 525
Kiwi
Pick dates
9:00 AM - 4:20 PM
Air Excursions
2 Stops
11h 10m
YTO - BFI
$ 566
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.