Cheapest one-way flights from Washington to Toronto in January from $91

AirHint found the following cheapest one-way flights from Washington (IAD) to Toronto (YTZ) in January 2026 (see full year).

One-Way flights

19 Jan Porter Airlines (Canada) Ltd direct
05 Jan Porter Airlines (Canada) Ltd direct
15 Jan Porter Airlines (Canada) Ltd direct
04 Jan Porter Airlines (Canada) Ltd direct
25 Jan Porter Airlines (Canada) Ltd direct
14 Jan Porter Airlines (Canada) Ltd direct
02 Jan Porter Airlines (Canada) Ltd direct
01 Jan Porter Airlines (Canada) Ltd direct
09 Jan Porter Airlines (Canada) Ltd direct
13 Jan Air Canada

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

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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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