Cheapest one-way flights from Washington to Toronto in May from 104€

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

One-Way flights

09 May Porter Airlines (Canada) Ltd direct
24 May Porter Airlines (Canada) Ltd direct
07 May Porter Airlines (Canada) Ltd direct
25 May Porter Airlines (Canada) Ltd direct
22 May Porter Airlines (Canada) Ltd direct
13 May Porter Airlines (Canada) Ltd direct
21 May Porter Airlines (Canada) Ltd direct
01 May Porter Airlines (Canada) Ltd direct
15 May Porter Airlines (Canada) Ltd direct

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

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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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