Cheapest one-way flights from Washington to Toronto in August from $117

Best time to book flights for Washington (IAD) to Toronto (YTZ) flights at AirHint

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

One-Way flights

17 Aug Porter Airlines (Canada) Ltd direct
19 Aug Porter Airlines (Canada) Ltd direct
23 Aug Porter Airlines (Canada) Ltd direct
06 Aug Porter Airlines (Canada) Ltd direct
07 Aug Porter Airlines (Canada) Ltd direct
05 Aug Porter Airlines (Canada) Ltd direct
12 Aug Porter Airlines (Canada) Ltd direct
01 Aug Porter Airlines (Canada) Ltd direct
18 Aug Porter Airlines (Canada) Ltd direct
15 Aug Porter Airlines (Canada) Ltd direct

Also check the deals for return flights from Washington 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.

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