Cheapest one-way flights from Boston to Toronto in January from $108

AirHint found the following cheapest one-way flights from Boston (BOS) to Toronto (YTZ) in January 2026 (see full year).

One-Way flights

26 Jan Porter Airlines (Canada) Ltd direct
08 Jan Porter Airlines (Canada) Ltd direct
25 Jan Porter Airlines (Canada) Ltd direct
12 Jan Porter Airlines (Canada) Ltd direct
15 Jan Porter Airlines (Canada) Ltd direct
18 Jan Porter Airlines (Canada) Ltd direct
10 Jan Porter Airlines (Canada) Ltd direct
09 Jan Porter Airlines (Canada) Ltd direct
21 Jan Porter Airlines (Canada) Ltd direct
04 Jan Porter Airlines (Canada) Ltd direct

Also check the deals for return 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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