Cheapest one-way flights from Washington to Toronto in May from $98

Best time to book flights for Washington (IAD) to Toronto (YYZ) flights at AirHint

AirHint found the following cheapest one-way flights from Washington (IAD) to Toronto (YYZ) in May 2025 (see full year).

One-Way flights

05 May Air Canada direct
13 May Air Canada direct
09 May Air Canada direct
06 May Air Canada direct
03 May Air Canada direct
08 May Air Canada direct
27 May Air Canada direct
30 May United
26 May Air Canada direct
24 May Air Canada 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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