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

12 dates in October, from $ 566. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
31 Oct 2 Nov Frontier Airlines
31 Oct 2 Nov Porter Airlines (Canada) Ltd
Direct Flight
30 Oct 5 Nov Porter Airlines (Canada) Ltd
Direct Flight
30 Oct 4 Nov Porter Airlines (Canada) Ltd
Direct Flight
22 Oct 25 Oct Porter Airlines (Canada) Ltd
21 Oct 25 Oct WestJet
17 Oct 24 Oct Frontier Airlines
22 Oct 25 Oct Porter Airlines (Canada) Ltd
Direct Flight
16 Oct 18 Oct Delta
17 Oct 24 Oct American Airlines
Direct Flight
21 Oct 25 Oct American Airlines
Direct Flight
16 Oct 18 Oct Air Canada
Direct Flight
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Deals for one-way flights from Philadelphia to Montreal in October.

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Updated Oct 13, 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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