AirHint found the following cheapest return flights from Chicago (ORD) to Montreal (YUL) in June 2026 (see full year).
Return flights
| 20 Jun - 27 Jun | Air Canada | ||
| 20 Jun - 27 Jun | Air Canada | direct | |
| 24 Jun - 27 Jun | WestJet | ||
| 24 Jun - 27 Jun | Air Canada | direct | |
| 24 Jun - 28 Jun | Air Canada | direct |
Also check the deals for one-way flights from Chicago to Montreal in June.
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