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

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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 May , June 2026

29 May - 26 Jun $ 921.00
YUL
Montreal
WestJet
3 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YUL
Montreal
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17 May - 26 Jun $ 934.00
YUL
Montreal
WestJet
2 STOPS
BFI
Seattle
BFI
Seattle
WestJet
2 STOPS
YUL
Montreal
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17 May - 02 Jun $ 972.00
YUL
Montreal
Porter Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Porter Airlines
2 STOPS
YUL
Montreal
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Last minute flights from Montreal to Seattle

29 May - 01 Jun $ 1,137.00
YUL
Montreal
Porter Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Porter Airlines
3 STOPS
YUL
Montreal
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17 May - 01 Jun $ 1,150.00
YUL
Montreal
Porter Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Porter Airlines
3 STOPS
YUL
Montreal
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17 May - 31 May $ 1,253.00
YUL
Montreal
Flair Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Flair Airlines
3 STOPS
YUL
Montreal
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One-way flights to Seattle from Montreal

7:15 AM - 6:45 AM
Air Excursions
2 Stops
27h 20m
YUL - BFI
$ 456
Kiwi
Pick dates
6:45 AM - 4:05 PM
Air Excursions
3 Stops
13h 10m
YUL - BFI
$ 487
Kiwi
Pick dates
7:15 AM - 4:20 PM
Air Excursions
2 Stops
12h 55m
YUL - BFI
$ 500
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.