Cheapest one-way flights from Washington to Toronto in August from $204

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

18 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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