Cheapest return flights from Boston to Toronto in December from 293€

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

Return flights

31 Dec - 27 Jan Air Canada direct
30 Dec - 27 Jan Air Canada direct
28 Dec - 05 Jan Porter Airlines (Canada) Ltd
30 Dec - 12 Jan Porter Airlines (Canada) Ltd
30 Dec - 13 Jan Porter Airlines (Canada) Ltd
30 Dec - 16 Jan Porter Airlines (Canada) Ltd
30 Dec - 09 Jan Porter Airlines (Canada) Ltd
30 Dec - 14 Jan Porter Airlines (Canada) Ltd
30 Dec - 10 Jan Porter Airlines (Canada) Ltd
30 Dec - 15 Jan Porter Airlines (Canada) Ltd
26 Dec - 30 Dec Air Canada direct
26 Dec - 28 Dec Air Canada direct
28 Dec - 31 Dec United
24 Dec - 31 Dec Frontier Airlines
27 Dec - 30 Dec Porter Airlines (Canada) Ltd
24 Dec - 30 Dec Frontier Airlines
25 Dec - 26 Dec Porter Airlines (Canada) Ltd
23 Dec - 28 Dec Frontier Airlines
23 Dec - 28 Dec Air Canada direct
27 Dec - 28 Dec Porter Airlines (Canada) Ltd

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

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