AirHint found the following cheapest return flights from Lisbon (LIS) to Montreal (YUL) in August 2026 (see full year).
Return flights
| 18 Aug - 25 Aug | Air Canada | direct | |
| 11 Aug - 25 Aug | Air Transat | ||
| 11 Aug - 25 Aug | Lufthansa | direct | |
| 19 Aug - 24 Aug | Air Transat | direct | |
| 06 Aug - 12 Aug | Air Transat | direct |
Also check the deals for one-way flights from Lisbon to Montreal in August.
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