Cheapest one-way flights from Washington to Toronto in May from 101€

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 May 2025 (see full year).

One-Way flights

11 May Porter Airlines (Canada) Ltd direct
10 May Porter Airlines (Canada) Ltd direct
27 May Porter Airlines (Canada) Ltd direct
01 May Porter Airlines (Canada) Ltd direct
02 May Porter Airlines (Canada) Ltd direct
31 May Porter Airlines (Canada) Ltd direct
24 May Porter Airlines (Canada) Ltd direct
23 May Porter Airlines (Canada) Ltd direct
15 May Porter Airlines (Canada) Ltd direct
22 May Air Transat direct

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

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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