Cheapest return flights from Philadelphia to Montreal in December from 260€

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

Return flights

06 Dec - 07 Dec Frontier Airlines
12 Dec - 15 Dec Spirit Airlines
12 Dec - 14 Dec Spirit Airlines
20 Dec - 27 Dec Spirit Airlines
27 Dec - 06 Jan Frontier Airlines
26 Dec - 28 Dec Air Canada direct
20 Dec - 27 Dec Air Canada direct
12 Dec - 14 Dec Air Canada direct
30 Dec - 02 Jan Spirit Airlines
06 Dec - 07 Dec Air Canada direct

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

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