Cheapest return flights from Washington to Toronto in August from $168

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

Return flights

06 Aug - 13 Aug Porter Airlines (Canada) Ltd direct
06 Aug - 12 Aug Porter Airlines (Canada) Ltd direct
05 Aug - 12 Aug Porter Airlines (Canada) Ltd direct
02 Aug - 08 Aug Porter Airlines (Canada) Ltd direct
22 Aug - 26 Aug Porter Airlines (Canada) Ltd direct
14 Aug - 20 Aug Porter Airlines (Canada) Ltd direct
14 Aug - 19 Aug Porter Airlines (Canada) Ltd direct
12 Aug - 14 Aug Porter Airlines (Canada) Ltd direct
14 Aug - 15 Aug Porter Airlines (Canada) Ltd direct
15 Aug - 20 Aug Porter Airlines (Canada) Ltd direct
20 Aug - 07 Sep Porter Airlines (Canada) Ltd direct
30 Aug - 06 Sep Porter Airlines (Canada) Ltd direct
26 Aug - 16 Sep Porter Airlines (Canada) Ltd direct
26 Aug - 05 Sep Porter Airlines (Canada) Ltd direct
26 Aug - 07 Sep Porter Airlines (Canada) Ltd direct
18 Aug - 05 Sep Porter Airlines (Canada) Ltd direct
18 Aug - 07 Sep Porter Airlines (Canada) Ltd direct
18 Aug - 08 Sep Porter Airlines (Canada) Ltd direct
18 Aug - 06 Sep Porter Airlines (Canada) Ltd direct
19 Aug - 05 Sep Porter Airlines (Canada) Ltd direct

Also check the deals for one-way flights from Washington 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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