Cheapest return flights from Philadelphia to Toronto in December from $357

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

Return flights

25 Dec - 07 Jan Spirit Airlines
15 Dec - 04 Jan Spirit Airlines
25 Dec - 08 Jan Spirit Airlines
14 Dec - 15 Dec Frontier Airlines
14 Dec - 17 Dec Frontier Airlines
25 Dec - 04 Jan Spirit Airlines
24 Dec - 07 Jan Spirit Airlines
13 Dec - 14 Dec Frontier Airlines
15 Dec - 02 Jan Spirit Airlines
25 Dec - 02 Jan Spirit Airlines
22 Dec - 02 Jan Spirit Airlines
25 Dec - 03 Jan Spirit Airlines
24 Dec - 02 Jan Spirit Airlines
16 Dec - 23 Dec Frontier Airlines
18 Dec - 22 Dec Frontier Airlines
22 Dec - 26 Dec Frontier Airlines
22 Dec - 25 Dec Frontier Airlines
22 Dec - 24 Dec Frontier Airlines
28 Dec - 29 Dec Air Canada direct
24 Dec - 25 Dec Frontier Airlines

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

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