Cheapest one-way flights from Montreal to Lisbon in September from $280

AirHint found the following cheapest one-way flights from Montreal (YUL) to Lisbon (LIS) in September 2025 (see full year).

One-Way flights

07 Sep FrenchBee
10 Sep FrenchBee
15 Sep FrenchBee
01 Sep FrenchBee
03 Sep FrenchBee
17 Sep Air Transat direct
15 Sep Air Transat direct
24 Sep Air Transat direct
09 Sep Air Transat direct
23 Sep Air Transat direct

Also check the deals for return flights from Montreal to Lisbon in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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