Cheapest return flights from Montreal to Lisbon in September from 518€

Best time to book flights for Montreal (YUL) to Lisbon (LIS) flights at AirHint

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

Return flights

24 Sep - 08 Oct TAP direct
24 Sep - 01 Oct TAP direct
25 Sep - 02 Oct TAP direct
28 Sep - 21 Oct Air Transat direct
13 Sep - 16 Oct Air Transat
29 Sep - 14 Oct Air Transat
04 Sep - 15 Sep SWISS
25 Sep - 12 Oct Air Transat
01 Sep - 25 Sep Azores Airlines
11 Sep - 25 Sep Azores Airlines
01 Sep - 15 Sep Azores Airlines
11 Sep - 29 Sep Azores Airlines
06 Sep - 20 Sep Azores Airlines
18 Sep - 25 Sep Azores Airlines
02 Sep - 13 Sep Azores Airlines
15 Sep - 25 Sep Azores Airlines
20 Sep - 04 Oct Azores Airlines
02 Sep - 23 Sep Azores Airlines
27 Sep - 04 Oct Azores Airlines
29 Sep - 06 Oct Azores Airlines

Also check the deals for one-way flights from Montreal to Lisbon in September.

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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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