Cheapest return flights from Montreal to Lisbon in September from 416€

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

Return flights

19 Sep - 25 Sep Brussels Airlines
22 Sep - 29 Sep FrenchBee
15 Sep - 23 Sep Air Transat direct
29 Sep - 06 Oct FrenchBee
08 Sep - 23 Sep Air Transat
22 Sep - 06 Oct FrenchBee
15 Sep - 24 Sep FrenchBee
21 Sep - 05 Oct FrenchBee
30 Sep - 06 Oct Porter Airlines (Canada) Ltd direct
16 Sep - 23 Sep Air Transat direct
28 Sep - 09 Oct TAP direct
02 Sep - 09 Sep SWISS
09 Sep - 16 Sep SWISS
08 Sep - 17 Sep SWISS
03 Sep - 25 Sep SWISS
21 Sep - 06 Oct FrenchBee
06 Sep - 06 Oct Delta
21 Sep - 24 Oct Delta
30 Sep - 22 Oct Lufthansa
29 Sep - 11 Oct Delta

Also check the deals for one-way 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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