Cheapest return flights from Boston to Toronto in August from $400

AirHint found the following cheapest return flights from Boston (BOS) to Toronto (YYZ) in August 2026 (see full year).

Return flights

23 Aug - 29 Aug Porter Airlines (Canada) Ltd
01 Aug - 20 Aug Porter Airlines (Canada) Ltd
01 Aug - 13 Aug Porter Airlines (Canada) Ltd
01 Aug - 04 Aug Porter Airlines (Canada) Ltd
01 Aug - 19 Aug Porter Airlines (Canada) Ltd
01 Aug - 18 Aug Porter Airlines (Canada) Ltd
16 Aug - 20 Aug Porter Airlines (Canada) Ltd
16 Aug - 19 Aug Porter Airlines (Canada) Ltd
16 Aug - 18 Aug Porter Airlines (Canada) Ltd
16 Aug - 29 Aug Porter Airlines (Canada) Ltd
23 Aug - 03 Sep Porter Airlines (Canada) Ltd
23 Aug - 05 Sep Porter Airlines (Canada) Ltd
16 Aug - 03 Sep Porter Airlines (Canada) Ltd
16 Aug - 05 Sep Porter Airlines (Canada) Ltd
29 Aug - 03 Sep Porter Airlines (Canada) Ltd
15 Aug - 03 Sep Porter Airlines (Canada) Ltd
15 Aug - 05 Sep Porter Airlines (Canada) Ltd
29 Aug - 05 Sep Porter Airlines (Canada) Ltd
28 Aug - 03 Sep Porter Airlines (Canada) Ltd
28 Aug - 05 Sep Porter Airlines (Canada) Ltd

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

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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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