Cheapest one-way flights from Toronto to Washington in August from $145

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

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

One-Way flights

06 Aug Porter Airlines (Canada) Ltd direct
11 Aug Porter Airlines (Canada) Ltd direct
12 Aug Air Transat direct
20 Aug Porter Airlines (Canada) Ltd direct
25 Aug Porter Airlines (Canada) Ltd direct
27 Aug Porter Airlines (Canada) Ltd direct
21 Aug Porter Airlines (Canada) Ltd direct
05 Aug Porter Airlines (Canada) Ltd direct
22 Aug Porter Airlines (Canada) Ltd direct
03 Aug Porter Airlines (Canada) Ltd direct

Also check the deals for return flights from Toronto to Washington 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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