Cheapest return flights from Boston to Toronto in October from $209

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

Return flights

06 Oct - 15 Oct Porter Airlines (Canada) Ltd direct
22 Oct - 28 Oct Porter Airlines (Canada) Ltd
22 Oct - 28 Oct Porter Airlines (Canada) Ltd direct
25 Oct - 28 Oct Porter Airlines (Canada) Ltd
28 Oct - 31 Oct Porter Airlines (Canada) Ltd direct
27 Oct - 30 Oct Porter Airlines (Canada) Ltd direct
21 Oct - 23 Oct Porter Airlines (Canada) Ltd direct
21 Oct - 30 Oct Porter Airlines (Canada) Ltd direct
01 Oct - 19 Oct Porter Airlines (Canada) Ltd direct
01 Oct - 20 Oct Porter Airlines (Canada) Ltd direct
27 Oct - 11 Nov Porter Airlines (Canada) Ltd direct
27 Oct - 01 Nov Porter Airlines (Canada) Ltd direct
21 Oct - 11 Nov Porter Airlines (Canada) Ltd direct
21 Oct - 01 Nov Porter Airlines (Canada) Ltd direct
22 Oct - 11 Nov Porter Airlines (Canada) Ltd direct
22 Oct - 01 Nov Porter Airlines (Canada) Ltd direct
25 Oct - 11 Nov Porter Airlines (Canada) Ltd direct
25 Oct - 01 Nov Porter Airlines (Canada) Ltd direct
12 Oct - 01 Nov Porter Airlines (Canada) Ltd direct

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