AirHint found the following cheapest return flights from Washington (DCA) to Toronto (YYZ) in June 2026 (see full year).
Return flights
| 05 Jun - 12 Jun | Delta | ||
| 21 Jun - 29 Jun | Delta | ||
| 05 Jun - 12 Jun | American Airlines | direct | |
| 18 Jun - 21 Jun | WestJet | ||
| 21 Jun - 29 Jun | Air Canada | direct | |
| 18 Jun - 21 Jun | Air Canada | direct |
Also check the deals for one-way flights from Washington to Toronto in June.
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