Cheapest return flights from Montreal to Lisbon in September from $433

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

15 Sep - 29 Sep TAP direct
17 Sep - 24 Sep TAP direct
17 Sep - 29 Sep TAP direct
17 Sep - 26 Sep TAP direct
25 Sep - 02 Oct TAP direct
17 Sep - 06 Oct TAP direct
24 Sep - 20 Oct TAP direct
24 Sep - 17 Oct TAP direct
24 Sep - 01 Oct TAP direct
24 Sep - 02 Oct TAP direct
17 Sep - 01 Oct TAP direct
01 Sep - 15 Sep Finnair
01 Sep - 25 Sep Finnair
01 Sep - 24 Sep Finnair
01 Sep - 17 Sep Finnair
01 Sep - 11 Sep Finnair
16 Sep - 23 Sep Air Canada direct
30 Sep - 15 Oct Air Canada direct
22 Sep - 01 Oct Air Canada direct
22 Sep - 08 Oct TAP direct

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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