Cheapest one-way flights from Toronto to Boston in December from $235

Best time to book flights for Toronto (YTZ) to Boston (BOS) flights at AirHint

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

One-Way flights

03 Dec Porter Airlines (Canada) Ltd direct
27 Dec Porter Airlines (Canada) Ltd direct
20 Dec Porter Airlines (Canada) Ltd direct
28 Dec Porter Airlines (Canada) Ltd
28 Dec Porter Airlines (Canada) Ltd direct
15 Dec Porter Airlines (Canada) Ltd direct

Also check the deals for return flights from Toronto to Boston in December.

Skyscanner

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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