Cheapest return flights from Washington to Toronto in August from 487€
AirHint found the following cheapest return flights from Washington (IAD) to Toronto (YTZ) in August 2025 (see full year).
Return flights
| 19 Aug - 25 Aug | Porter Airlines (Canada) Ltd | direct | |
| 01 Aug - 17 Aug | Porter Airlines (Canada) Ltd | direct | |
| 21 Aug - 25 Aug | Porter Airlines (Canada) Ltd | direct | |
| 01 Aug - 03 Aug | Air Transat | direct |
Also check the deals for one-way flights from Washington to Toronto in August.
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.
