Cheap flights from Montreal to San Juan Islands

View AU$352 flight on Fri, 12 Sep. 2025Opens in a new window

Popular airlines from Montreal to San Juan Islands

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    United

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Cheap Flights from Montreal (YMQ) to San Juan Islands (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 4 Sep. - Wed, 10 Sep.
YUL
Montreal
SEA
Seattle
AU$622 Return, found 1 day ago
AU$622
Return
found 1 day ago
Select Air Canada flight, departing Thu, 4 Sep. from Montreal to Seattle, returning Wed, 10 Sep., priced at AU$622 found 1 day ago
WestJet
Mon, 8 Sep. - Mon, 15 Sep.
YUL
Montreal
SEA
Seattle
AU$622 Return, found 2 days ago
AU$622
Return
found 2 days ago
Select WestJet flight, departing Mon, 8 Sep. from Montreal to Seattle, returning Mon, 15 Sep., priced at AU$622 found 2 days ago
Air Canada
Thu, 4 Sep. - Wed, 10 Sep.
YUL
Montreal
SEA
Seattle
AU$622 Return, found 1 day ago
AU$622
Return
found 1 day ago
Select Air Canada flight, departing Thu, 4 Sep. from Montreal to Seattle, returning Wed, 10 Sep., priced at AU$622 found 1 day ago
United
Thu, 4 Sep. - Wed, 10 Sep.
YUL
Montreal
SEA
Seattle
AU$631 Return, found 1 day ago
AU$631
Return
found 1 day ago
Select United flight, departing Thu, 4 Sep. from Montreal to Seattle, returning Wed, 10 Sep., priced at AU$631 found 1 day ago
American Airlines
Thu, 4 Sep. - Wed, 10 Sep.
YUL
Montreal
SEA
Seattle
AU$701 Return, found 1 day ago
AU$701
Return
found 1 day ago
Select American Airlines flight, departing Thu, 4 Sep. from Montreal to Seattle, returning Wed, 10 Sep., priced at AU$701 found 1 day ago
Delta
Thu, 4 Sep. - Wed, 10 Sep.
YUL
Montreal
SEA
Seattle
AU$701 Return, found 1 day ago
AU$701
Return
found 1 day ago
Select Delta flight, departing Thu, 4 Sep. from Montreal to Seattle, returning Wed, 10 Sep., priced at AU$701 found 1 day ago
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