Cheapest return flights from Philadelphia to Toronto in December from $270

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

Return flights

09 Dec - 15 Dec Spirit Airlines
03 Dec - 09 Dec Spirit Airlines
11 Dec - 18 Dec Frontier Airlines
13 Dec - 16 Dec Spirit Airlines
30 Dec - 04 Jan Frontier Airlines
22 Dec - 01 Jan Frontier Airlines
03 Dec - 09 Dec Porter Airlines (Canada) Ltd direct
25 Dec - 26 Dec Frontier Airlines
09 Dec - 15 Dec Porter Airlines (Canada) Ltd direct
13 Dec - 16 Dec Porter Airlines (Canada) Ltd direct
11 Dec - 18 Dec Air Canada direct
25 Dec - 26 Dec Porter Airlines (Canada) Ltd direct
30 Dec - 04 Jan Porter Airlines (Canada) Ltd direct
22 Dec - 01 Jan Air Canada direct

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

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