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Cheap flights from Montreal (YUL) to Seattle (BFI)

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0 Children (2~11)
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How to find the cheapest flight from Montreal (YUL) to Seattle (BFI)

How to find the cheapest flight from Montreal (YUL) to Seattle (BFI)
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How to find the cheapest flight from Montreal (YUL) to Seattle (BFI)
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How to find the cheapest flight from Montreal (YUL) to Seattle (BFI)
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Cheap flights from Montreal to Seattle in August , September 2026

27 Aug - 15 Sep $ 885.00
YUL
Montreal
Air Canada
2 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
YUL
Montreal
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25 Aug - 15 Sep $ 891.00
YUL
Montreal
Air Canada
2 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
YUL
Montreal
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27 Aug - 22 Sep $ 896.00
YUL
Montreal
Air Canada
2 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
YUL
Montreal
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Last minute flights from Montreal to Seattle

27 Aug - 02 Sep $ 1,007.00
YUL
Montreal
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YUL
Montreal
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25 Aug - 02 Sep $ 1,015.00
YUL
Montreal
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YUL
Montreal
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27 Aug - 01 Sep $ 1,140.00
YUL
Montreal
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YUL
Montreal
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One-way flights to Seattle from Montreal

7:15 AM - 9:35 AM
Air Excursions
2 Stops
30h 10m
YUL - BFI
$ 506
Kiwi
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7:30 AM - 6:45 PM
Air Excursions
2 Stops
15h 5m
YUL - BFI
$ 566
Kiwi
Pick dates
7:30 AM - 9:25 PM
Air Excursions
2 Stops
17h 45m
YUL - BFI
$ 566
Kiwi
Pick dates

How to find the cheapest flight from Montreal (YUL) to Seattle (BFI)

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