Cheapest return flights from Philadelphia (PHL) to Montreal (YUL), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
24 Sep 05 Oct Frontier Airlines
24 Sep 29 Sep Frontier Airlines
24 Sep 05 Oct Air Canada
Direct Flight
11 Sep 16 Sep Frontier Airlines
29 Sep 01 Oct jetBlue
19 Sep 21 Sep Air Canada
Direct Flight
24 Sep 29 Sep Air Canada
Direct Flight
08 Sep 17 Sep Air Canada
Direct Flight
06 Sep 15 Sep Air Canada
Direct Flight
24 Sep 27 Sep Air Canada
Direct Flight
07 Sep 11 Sep American Airlines
Direct Flight
29 Sep 01 Oct Air Canada
Direct Flight
11 Sep 16 Sep American Airlines
Direct Flight
05 Sep 09 Sep Air Canada
Direct Flight
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deals for one-way flights from Philadelphia to Montreal in September.

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Updated Aug 25, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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