Cheapest one-way flights from Washington to Toronto in April from $108

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 April 2025 (see full year).

One-Way flights

06 Apr Porter Airlines (Canada) Ltd direct
28 Apr Porter Airlines (Canada) Ltd direct
29 Apr Porter Airlines (Canada) Ltd direct
17 Apr Porter Airlines (Canada) Ltd direct
21 Apr Porter Airlines (Canada) Ltd direct

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

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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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