Cheapest return flights from Washington to Toronto in October from $394

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

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

Return flights

06 Oct - 08 Oct Porter Airlines (Canada) Ltd direct
06 Oct - 13 Oct Porter Airlines (Canada) Ltd direct
15 Oct - 17 Oct Porter Airlines (Canada) Ltd direct
15 Oct - 21 Oct Porter Airlines (Canada) Ltd direct
06 Oct - 17 Oct Porter Airlines (Canada) Ltd direct
06 Oct - 21 Oct Porter Airlines (Canada) Ltd direct
02 Oct - 03 Oct Porter Airlines (Canada) Ltd direct
02 Oct - 08 Oct Porter Airlines (Canada) Ltd direct
02 Oct - 04 Oct Porter Airlines (Canada) Ltd direct
02 Oct - 13 Oct Porter Airlines (Canada) Ltd direct

Also check the deals for one-way 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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