Cheapest return flights from Boston to Toronto in August from $457

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

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

Return flights

17 Aug - 23 Aug Porter Airlines (Canada) Ltd direct
17 Aug - 22 Aug Porter Airlines (Canada) Ltd direct
17 Aug - 25 Aug Porter Airlines (Canada) Ltd direct
09 Aug - 23 Aug Porter Airlines (Canada) Ltd direct
09 Aug - 22 Aug Porter Airlines (Canada) Ltd direct
09 Aug - 11 Aug Porter Airlines (Canada) Ltd direct
09 Aug - 12 Aug Porter Airlines (Canada) Ltd direct
09 Aug - 15 Aug Porter Airlines (Canada) Ltd direct
09 Aug - 10 Aug Porter Airlines (Canada) Ltd direct
09 Aug - 25 Aug Porter Airlines (Canada) Ltd direct
17 Aug - 06 Sep Porter Airlines (Canada) Ltd direct
16 Aug - 06 Sep Porter Airlines (Canada) Ltd direct
29 Aug - 06 Sep Porter Airlines (Canada) Ltd direct
29 Aug - 16 Sep Porter Airlines (Canada) Ltd direct
17 Aug - 07 Sep Porter Airlines (Canada) Ltd direct
17 Aug - 03 Sep Porter Airlines (Canada) Ltd direct
25 Aug - 06 Sep Porter Airlines (Canada) Ltd direct
23 Aug - 06 Sep Porter Airlines (Canada) Ltd direct
24 Aug - 06 Sep Porter Airlines (Canada) Ltd direct
16 Aug - 03 Sep Porter Airlines (Canada) Ltd direct

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

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.

Book a cheap hotel in Toronto

Cheap car rent in Toronto