Cheapest return flights from Barcelona to Ljubljana in September from 158€

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

Return flights

24 Sep - 30 Sep SWISS
25 Sep - 30 Sep SWISS
15 Sep - 20 Sep SWISS
16 Sep - 20 Sep SWISS
26 Sep - 30 Sep SWISS
11 Sep - 16 Sep SWISS
10 Sep - 16 Sep SWISS
11 Sep - 17 Sep SWISS
05 Sep - 09 Sep SWISS
25 Sep - 06 Oct SWISS
18 Sep - 25 Sep Vueling Airlines

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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