Cheapest one-way flights from Washington to Toronto in April from $138

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 April 2025 (see full year).

One-Way flights

09 Apr Frontier Airlines
09 Apr Air Canada direct
10 Apr United direct
14 Apr Air Canada direct
30 Apr WestJet
29 Apr WestJet
18 Apr WestJet
30 Apr Air Canada direct
29 Apr Air Canada direct
18 Apr Air Canada direct

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

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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