Cheapest return flights from Washington (IAD) to Toronto (YTZ), August

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
31 Aug 18 Sep Porter Airlines (Canada) Ltd
Direct Flight
31 Aug 21 Sep Porter Airlines (Canada) Ltd
Direct Flight
31 Aug 17 Sep Porter Airlines (Canada) Ltd
Direct Flight
31 Aug 09 Sep Porter Airlines (Canada) Ltd
Direct Flight
31 Aug 10 Sep Porter Airlines (Canada) Ltd
Direct Flight
30 Aug 12 Sep Porter Airlines (Canada) Ltd
Direct Flight
30 Aug 18 Sep Porter Airlines (Canada) Ltd
Direct Flight
30 Aug 17 Sep Porter Airlines (Canada) Ltd
Direct Flight
30 Aug 11 Sep Porter Airlines (Canada) Ltd
Direct Flight
30 Aug 10 Sep Porter Airlines (Canada) Ltd
Direct Flight
30 Aug 31 Aug Porter Airlines (Canada) Ltd
Direct Flight
28 Aug 30 Aug Porter Airlines (Canada) Ltd
Direct Flight
28 Aug 29 Aug Porter Airlines (Canada) Ltd
Direct Flight
27 Aug 30 Aug Porter Airlines (Canada) Ltd
Direct Flight
27 Aug 28 Aug Porter Airlines (Canada) Ltd
Direct Flight
Powered by

deals for one-way flights from Washington to Toronto in August.

Book a cheap hotel in Toronto

Cheap car rent in City Centre

Updated Aug 26, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.