Cheapest return flights from Toronto to Boston in October from $170

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

Return flights

10 Oct - 13 Oct Porter Airlines (Canada) Ltd direct
09 Oct - 13 Oct Porter Airlines (Canada) Ltd direct
01 Oct - 04 Oct Porter Airlines (Canada) Ltd direct
02 Oct - 05 Oct Porter Airlines (Canada) Ltd direct
03 Oct - 06 Oct Porter Airlines (Canada) Ltd direct
03 Oct - 05 Oct Porter Airlines (Canada) Ltd direct
21 Oct - 25 Oct Porter Airlines (Canada) Ltd direct
03 Oct - 11 Oct Porter Airlines (Canada) Ltd direct
24 Oct - 28 Oct Porter Airlines (Canada) Ltd
30 Oct - 03 Nov Porter Airlines (Canada) Ltd
25 Oct - 25 Oct Porter Airlines (Canada) Ltd direct
30 Oct - 03 Nov Air Transat direct
25 Oct - 11 Nov Porter Airlines (Canada) Ltd direct
24 Oct - 11 Nov Porter Airlines (Canada) Ltd direct
30 Oct - 11 Nov Porter Airlines (Canada) Ltd direct
23 Oct - 11 Nov Porter Airlines (Canada) Ltd direct
21 Oct - 11 Nov Porter Airlines (Canada) Ltd direct
25 Oct - 03 Nov Porter Airlines (Canada) Ltd direct
25 Oct - 06 Nov Porter Airlines (Canada) Ltd direct
24 Oct - 03 Nov Porter Airlines (Canada) Ltd direct

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

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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