Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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

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

Cheap flights from Seattle to Montreal in July , August 2026

31 Jul - 25 Aug $ 996.00
BFI
Seattle
Air Excursions
3 STOPS
YUL
Montreal
YUL
Montreal
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
31 Jul - 27 Aug $ 1,008.00
BFI
Seattle
Air Excursions
3 STOPS
YUL
Montreal
YUL
Montreal
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
31 Jul - 28 Aug $ 1,014.00
BFI
Seattle
Air Excursions
3 STOPS
YUL
Montreal
YUL
Montreal
Air Excursions
2 STOPS
BFI
Seattle
Pick dates

Last minute flights from Seattle to Montreal

24 Jul - 02 Aug $ 1,424.00
BFI
Seattle
Air Excursions
3 STOPS
YUL
Montreal
YUL
Montreal
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
24 Jul - 31 Jul $ 1,649.00
BFI
Seattle
Air Excursions
3 STOPS
YUL
Montreal
YUL
Montreal
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
27 Jul - 31 Jul $ 1,652.00
BFI
Seattle
Air Excursions
3 STOPS
YUL
Montreal
YUL
Montreal
Air Excursions
2 STOPS
BFI
Seattle
Pick dates

One-way flights to Montreal from Seattle

7:05 PM - 5:45 PM
Air Canada
3 Stops
25h 38m
BFI - YUL
$ 615
Kiwi
Pick dates
8:05 AM - 1:00 AM
Air Canada
3 Stops
20h 5m
BFI - YUL
$ 693
Kiwi
Pick dates
8:05 AM - 1:00 AM
Air Canada
3 Stops
20h 5m
BFI - YUL
$ 725
Kiwi
Pick dates

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

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