Cheapest return flights from Ljubljana to Lisbon in September from $233

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

Return flights

16 Sep - 23 Sep Transavia France
02 Sep - 30 Sep SWISS
01 Sep - 09 Sep SWISS
09 Sep - 23 Sep SWISS
17 Sep - 23 Sep SWISS
17 Sep - 20 Sep SWISS
04 Sep - 07 Sep Transavia France
19 Sep - 23 Sep SWISS
15 Sep - 19 Sep Air Serbia
20 Sep - 02 Oct SWISS
20 Sep - 27 Sep SWISS
30 Sep - 06 Oct SWISS
29 Sep - 01 Oct Air Serbia
29 Sep - 02 Oct Turkish Airlines

Also check the deals for one-way flights from Ljubljana 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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