Cheapest one-way flights from Washington to Toronto in October from 235€

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

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

One-Way flights

14 Oct Air Canada
14 Oct Porter Airlines (Canada) Ltd direct
30 Oct Porter Airlines (Canada) Ltd direct
20 Oct Porter Airlines (Canada) Ltd direct

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

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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