AirHint found the following cheapest return flights from Chicago (ORD) to Montreal (YUL) in August 2026 (see full year).
Return flights
| 05 Aug - 09 Aug | WestJet | ||
| 05 Aug - 09 Aug | Air Canada | direct | |
| 06 Aug - 09 Aug | Air Canada | direct |
Also check the deals for one-way flights from Chicago to Montreal in August.
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