Cheapest return flights from Washington to Toronto in September from 174€

AirHint found the following cheapest return flights from Washington (DCA) to Toronto (YYZ) in September 2025 (see full year).

Return flights

04 Sep - 10 Sep Air Canada
24 Sep - 30 Sep Air Canada direct
23 Sep - 30 Sep Air Canada direct
04 Sep - 10 Sep Air Canada direct
12 Sep - 17 Sep Air Canada direct
14 Sep - 17 Sep Air Canada direct
11 Sep - 15 Sep Air Canada direct
19 Sep - 23 Sep Air Canada direct
16 Sep - 23 Sep Air Canada direct
11 Sep - 17 Sep Air Canada direct
15 Sep - 07 Oct Air Canada direct

Also check the deals for one-way flights from Washington to Toronto in September.

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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