Cheapest return flights from Washington to Toronto in April from $210

AirHint found the following cheapest return flights from Washington (IAD) to Toronto (YYZ) in April 2026 (see full year).

Return flights

01 Apr - 08 Apr Air Canada direct
16 Apr - 20 Apr Air Canada direct
11 Apr - 18 Apr Air Canada direct
19 Apr - 25 Apr Air Canada direct
15 Apr - 17 Apr Air Canada direct
30 Apr - 02 May Air Canada
11 Apr - 15 Apr Air Canada direct
04 Apr - 11 Apr Air Canada direct
18 Apr - 19 Apr Delta
10 Apr - 17 Apr United direct
10 Apr - 18 Apr United direct
29 Apr - 02 May Air Canada direct
30 Apr - 02 May United direct
30 Apr - 04 May WestJet

Also check the deals for one-way flights from Washington to Toronto in April.

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