Cheapest return flights from Philadelphia to Montreal in April from $299

AirHint found the following cheapest return flights from Philadelphia (PHL) to Montreal (YUL) in April 2026 (see full year).

Return flights

21 Apr - 25 Apr Spirit Airlines
24 Apr - 28 Apr Spirit Airlines
15 Apr - 19 Apr Frontier Airlines
23 Apr - 27 Apr Spirit Airlines
16 Apr - 20 Apr Spirit Airlines
10 Apr - 14 Apr Spirit Airlines
22 Apr - 26 Apr Spirit Airlines
17 Apr - 21 Apr Spirit Airlines
14 Apr - 18 Apr Frontier Airlines
08 Apr - 12 Apr Spirit Airlines

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

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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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