Cheapest return flights from Philadelphia to Montreal in May from $407

Best time to book flights for Philadelphia (PHL) to Montreal (YUL) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to Montreal (YUL) in May 2025 (see full year).

Return flights

13 May - 18 May Spirit Airlines
26 May - 29 May Spirit Airlines
13 May - 15 May Spirit Airlines
14 May - 31 May Frontier Airlines
30 May - 01 Jun Spirit Airlines
16 May - 21 May Spirit Airlines
16 May - 31 May Frontier Airlines
14 May - 30 May Spirit Airlines
23 May - 26 May Spirit Airlines
17 May - 19 May Spirit Airlines
30 May - 01 Jun Air Canada direct
23 May - 26 May Air Canada direct

Also check the deals for one-way flights from Philadelphia to Montreal in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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