Cheapest return flights from Washington to Toronto in April from $219

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

AirHint found the following cheapest return flights from Washington (IAD) to Toronto (YYZ) in April 2025 (see full year).

Return flights

01 Apr - 08 Apr Air Canada direct
01 Apr - 01 Apr Delta
09 Apr - 16 Apr Air Canada direct
15 Apr - 19 Apr Air Canada direct
14 Apr - 19 Apr Air Canada direct
18 Apr - 25 Apr Air Canada direct
05 Apr - 06 Apr Air Canada direct
05 Apr - 13 Apr Air Canada direct
24 Apr - 28 Apr Air Canada direct
07 Apr - 19 Apr Air Canada direct
29 Apr - 02 May Air Canada direct
25 Apr - 02 May Air Canada direct

Also check the deals for one-way 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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