Cheapest return flights from Barcelona to Ljubljana in September from 191€

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

Return flights

23 Sep - 29 Sep Vueling Airlines
24 Sep - 28 Sep Wizz Air Malta
17 Sep - 29 Sep Air Serbia
27 Sep - 29 Sep Air Serbia
25 Sep - 28 Sep Air Serbia
30 Sep - 07 Oct SWISS
18 Sep - 23 Sep Transavia France
29 Sep - 02 Oct Vueling Airlines
16 Sep - 23 Sep Air Serbia
27 Sep - 04 Oct Vueling Airlines
23 Sep - 26 Sep Vueling Airlines
17 Sep - 21 Sep Air Serbia
16 Sep - 18 Sep Air Serbia

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