Cheapest return flights from Toronto to Boston in October from $430

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

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

Return flights

16 Oct - 16 Oct Porter Airlines (Canada) Ltd direct
16 Oct - 18 Oct Porter Airlines (Canada) Ltd direct
12 Oct - 16 Oct Porter Airlines (Canada) Ltd direct
16 Oct - 02 Nov Porter Airlines (Canada) Ltd direct
12 Oct - 18 Oct Porter Airlines (Canada) Ltd direct
29 Oct - 02 Nov Porter Airlines (Canada) Ltd direct
12 Oct - 02 Nov Porter Airlines (Canada) Ltd direct
16 Oct - 06 Nov Porter Airlines (Canada) Ltd direct
16 Oct - 03 Nov Porter Airlines (Canada) Ltd direct
07 Oct - 16 Oct Porter Airlines (Canada) Ltd direct
29 Oct - 06 Nov Porter Airlines (Canada) Ltd direct
07 Oct - 18 Oct Porter Airlines (Canada) Ltd direct
29 Oct - 03 Nov Porter Airlines (Canada) Ltd direct
07 Oct - 07 Oct Porter Airlines (Canada) Ltd direct
23 Oct - 26 Oct Porter Airlines (Canada) Ltd

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

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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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