Cheapest return flights from Toronto to Boston in December from $367

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

Return flights

25 Dec - 28 Dec Porter Airlines (Canada) Ltd direct
27 Dec - 28 Dec Porter Airlines (Canada) Ltd direct
13 Dec - 28 Dec Porter Airlines (Canada) Ltd direct
25 Dec - 03 Jan Porter Airlines (Canada) Ltd direct
27 Dec - 03 Jan Porter Airlines (Canada) Ltd direct
13 Dec - 03 Jan Porter Airlines (Canada) Ltd direct
29 Dec - 30 Dec Porter Airlines (Canada) Ltd direct
14 Dec - 30 Dec Porter Airlines (Canada) Ltd direct
14 Dec - 28 Dec Porter Airlines (Canada) Ltd direct
15 Dec - 30 Dec Porter Airlines (Canada) Ltd direct
15 Dec - 28 Dec Porter Airlines (Canada) Ltd direct
25 Dec - 30 Dec Porter Airlines (Canada) Ltd direct
27 Dec - 30 Dec Porter Airlines (Canada) Ltd direct
29 Dec - 03 Jan Porter Airlines (Canada) Ltd direct
14 Dec - 03 Jan Porter Airlines (Canada) Ltd direct
15 Dec - 03 Jan Porter Airlines (Canada) Ltd direct
25 Dec - 02 Jan Porter Airlines (Canada) Ltd direct
27 Dec - 02 Jan Porter Airlines (Canada) Ltd direct
27 Dec - 16 Jan Porter Airlines (Canada) Ltd direct
13 Dec - 02 Jan Porter Airlines (Canada) Ltd direct

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

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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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