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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 December 2025 , January 2026

25 Dec - 20 Jan $ 1,218.00
YUL
Montreal
Porter Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Porter Airlines
3 STOPS
YUL
Montreal
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22 Dec - 20 Jan $ 1,252.00
YUL
Montreal
Porter Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Porter Airlines
3 STOPS
YUL
Montreal
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29 Dec - 20 Jan $ 1,280.00
YUL
Montreal
Porter Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Porter Airlines
3 STOPS
YUL
Montreal
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Last minute flights from Montreal to Seattle

25 Dec - 02 Jan $ 1,508.00
YUL
Montreal
Porter Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Porter Airlines
3 STOPS
YUL
Montreal
Pick dates
22 Dec - 02 Jan $ 1,543.00
YUL
Montreal
Porter Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Porter Airlines
3 STOPS
YUL
Montreal
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25 Dec - 01 Jan $ 1,655.00
YUL
Montreal
Porter Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Porter Airlines
3 STOPS
YUL
Montreal
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One-way flights to Seattle from Montreal

2:40 PM - 5:35 AM
Air Excursions
2 Stops
18h 45m
YUL - BFI
$ 773
Kiwi
Pick dates
2:40 PM - 6:45 AM
Air Excursions
2 Stops
19h 55m
YUL - BFI
$ 807
Kiwi
Pick dates
2:40 PM - 5:35 AM
Air Excursions
2 Stops
18h 45m
YUL - BFI
$ 843
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.