Cheap flights from Montreal to Casco Bay Islands

View AU$450 flight on Mon, 25 Aug. 2025Opens in a new window

Popular airlines from Montreal to Casco Bay Islands

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    United

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Cheap Flights from Montreal (YMQ) to Casco Bay Islands (PWM)

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
Wed, 1 Oct. - Sat, 4 Oct.
YUL
Montreal
PWM
Portland
AU$760 Return, found 6 days ago
AU$760
Return
found 6 days ago
Select Air Canada flight, departing Wed, 1 Oct. from Montreal to Portland, returning Sat, 4 Oct., priced at AU$760 found 6 days ago
United
Tue, 30 Sep. - Wed, 8 Oct.
YUL
Montreal
PWM
Portland
AU$760 Return, found 6 days ago
AU$760
Return
found 6 days ago
Select United flight, departing Tue, 30 Sep. from Montreal to Portland, returning Wed, 8 Oct., priced at AU$760 found 6 days ago
United
Mon, 6 Oct. - Thu, 9 Oct.
YUL
Montreal
PWM
Portland
AU$775 Return, found 6 days ago
AU$775
Return
found 6 days ago
Select United flight, departing Mon, 6 Oct. from Montreal to Portland, returning Thu, 9 Oct., priced at AU$775 found 6 days ago
Delta
Thu, 2 Oct. - Wed, 8 Oct.
YUL
Montreal
PWM
Portland
AU$830 Return, found 6 days ago
AU$830
Return
found 6 days ago
Select Delta flight, departing Thu, 2 Oct. from Montreal to Portland, returning Wed, 8 Oct., priced at AU$830 found 6 days ago
WestJet
Fri, 3 Oct. - Tue, 7 Oct.
YUL
Montreal
PWM
Portland
AU$1,009 Return, found 6 days ago
AU$1,009
Return
found 6 days ago
Select WestJet flight, departing Fri, 3 Oct. from Montreal to Portland, returning Tue, 7 Oct., priced at AU$1,009 found 6 days ago
American Airlines
Fri, 3 Oct. - Tue, 7 Oct.
YUL
Montreal
PWM
Portland
AU$1,121 Return, found 6 days ago
AU$1,121
Return
found 6 days ago
Select American Airlines flight, departing Fri, 3 Oct. from Montreal to Portland, returning Tue, 7 Oct., priced at AU$1,121 found 6 days ago
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