Cheapest return flights from Barcelona to Ljubljana in September from $175

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

Return flights

30 Sep - 05 Oct Wizz Air Malta
25 Sep - 26 Sep Air Serbia
24 Sep - 28 Sep Air Serbia
22 Sep - 28 Sep Air Serbia
17 Sep - 23 Sep Transavia France
21 Sep - 30 Sep SWISS
23 Sep - 26 Sep Vueling Airlines
23 Sep - 28 Sep Vueling Airlines
25 Sep - 29 Sep Vueling Airlines
05 Sep - 09 Sep Air Serbia
24 Sep - 03 Oct Air Serbia
12 Sep - 17 Sep Wizz Air Malta
26 Sep - 02 Oct Wizz Air Malta
07 Sep - 28 Oct Turkish Airlines

Also check the deals for one-way flights from Barcelona to Ljubljana 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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