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

Return flights

27 Oct - 28 Oct	Air Serbia
29 Oct - 31 Oct	Air Serbia
30 Oct - 01 Nov	Air Serbia
30 Oct - 08 Nov	Air Serbia
29 Oct - 04 Nov	Air Serbia
27 Oct - 29 Oct	Air Serbia
27 Oct - 08 Nov	Air Serbia
31 Oct - 08 Nov	Air Serbia
30 Oct - 03 Nov	Air Serbia
31 Oct - 09 Nov	Air Serbia
31 Oct - 02 Nov	Air Serbia
24 Oct - 31 Oct	Air Serbia
29 Oct - 02 Nov	Air Serbia
31 Oct - 06 Nov	Air Serbia
27 Oct - 31 Oct	Air Serbia
17 Oct - 21 Oct	Air Serbia
28 Oct - 30 Oct	Air Serbia
21 Oct - 24 Oct	Air Serbia
17 Oct - 22 Oct	Air Serbia
20 Oct - 22 Oct	Air Serbia

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

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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Cheapest return flights from Barcelona to Ljubljana in October from 156€

Return flights