Cheapest one-way flights from Philadelphia (PHL) to Montreal (YUL), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
30 Sep Frontier Airlines
30 Sep Air Canada
Direct Flight
05 Sep Air Canada
Direct Flight
10 Sep Air Canada
Direct Flight
01 Sep Air Canada
Direct Flight
26 Sep Porter Airlines (Canada) Ltd
Direct Flight
03 Sep Air Canada
04 Sep Air Canada
04 Sep Porter Airlines (Canada) Ltd
Direct Flight
03 Sep Porter Airlines (Canada) Ltd
Direct Flight
Powered by

deals for return flights from Philadelphia to Montreal in September.

Book a cheap hotel in Montreal

Cheap car rent in Pierre Elliott Trudeau Intl

Updated Aug 26, 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.

Feel free to contact us with any feedback or request another flight research.