Cheapest return flights from Boston to Toronto in January from $232

AirHint found the following cheapest return flights from Boston (BOS) to Toronto (YYZ) in January 2026 (see full year).

Return flights

02 Jan - 11 Jan Porter Airlines (Canada) Ltd
16 Jan - 16 Jan Air Canada
09 Jan - 11 Jan Porter Airlines (Canada) Ltd
21 Jan - 28 Jan Frontier Airlines
10 Jan - 17 Jan Porter Airlines (Canada) Ltd
28 Jan - 04 Feb Frontier Airlines
10 Jan - 17 Jan Air Canada direct
10 Jan - 16 Jan Air Canada direct
07 Jan - 14 Jan Porter Airlines (Canada) Ltd
12 Jan - 14 Jan Porter Airlines (Canada) Ltd
14 Jan - 21 Jan Frontier Airlines
28 Jan - 04 Feb Air Canada direct
19 Jan - 06 Feb Porter Airlines (Canada) Ltd
19 Jan - 03 Feb Porter Airlines (Canada) Ltd
19 Jan - 01 Feb Porter Airlines (Canada) Ltd
20 Jan - 06 Feb Porter Airlines (Canada) Ltd
20 Jan - 03 Feb Porter Airlines (Canada) Ltd
20 Jan - 01 Feb Porter Airlines (Canada) Ltd
24 Jan - 06 Feb Porter Airlines (Canada) Ltd
24 Jan - 03 Feb Porter Airlines (Canada) Ltd

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

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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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