Cheapest one-way flights from Washington to Toronto in October from 175€

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

One-Way flights

28 Oct Air Canada
30 Oct Allegiant Air
24 Oct Air Canada
25 Oct Porter Airlines (Canada) Ltd direct
29 Oct Frontier Airlines
31 Oct Porter Airlines (Canada) Ltd direct
23 Oct Porter Airlines (Canada) Ltd direct
24 Oct Porter Airlines (Canada) Ltd direct
30 Oct Porter Airlines (Canada) Ltd direct
27 Oct Frontier Airlines

Also check the deals for return flights from Washington to Toronto in October.

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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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