Cheapest one-way flights from Washington to Toronto in April from $74

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

One-Way flights

17 Apr Porter Airlines (Canada) Ltd direct
01 Apr Porter Airlines (Canada) Ltd direct
13 Apr Porter Airlines (Canada) Ltd direct
08 Apr Porter Airlines (Canada) Ltd direct
21 Apr Porter Airlines (Canada) Ltd direct
28 Apr Porter Airlines (Canada) Ltd direct
20 Apr Porter Airlines (Canada) Ltd direct
30 Apr Porter Airlines (Canada) Ltd direct
03 Apr Porter Airlines (Canada) Ltd direct
15 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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