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

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0 Children (2~11)
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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 July , August 2026

28 Jul - 26 Aug $ 936.00
YTO
Toronto
Air Canada
3 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
YTO
Toronto
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28 Jul - 28 Aug $ 951.00
YTO
Toronto
Air Canada
3 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
YTO
Toronto
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28 Jul - 18 Aug $ 964.00
YTO
Toronto
WestJet
3 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YTO
Toronto
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Last minute flights from Toronto to Seattle

28 Jul - 01 Aug $ 1,104.00
YTO
Toronto
Air Canada
3 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
YTO
Toronto
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28 Jul - 01 Aug $ 1,117.00
YTO
Toronto
Air Canada
3 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
YTO
Toronto
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28 Jul - 01 Aug $ 1,176.00
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

5:20 PM - 4:05 PM
Air Excursions
3 Stops
26h 35m
YTO - BFI
$ 574
Kiwi
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11:05 PM - 4:05 PM
Air Excursions
3 Stops
20h 50m
YTO - BFI
$ 587
Kiwi
Pick dates
10:40 PM - 4:05 PM
Air Excursions
2 Stops
21h 15m
YTO - BFI
$ 646
Kiwi
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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.