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

Return flights

22 Jul - 29 Jul	Air Serbia
22 Jul - 30 Jul	Air Serbia
30 Jul - 05 Aug	Vueling Airlines
24 Jul - 29 Jul	Eurowings
24 Jul - 30 Jul	Air France
22 Jul - 28 Jul	Air Serbia
30 Jul - 08 Aug	Lufthansa
31 Jul - 07 Aug	Wizz Air Malta
24 Jul - 31 Jul	Eurowings
31 Jul - 05 Aug	Wizz Air Malta
27 Jul - 30 Jul	Vueling Airlines
27 Jul - 01 Aug	Vueling Airlines
26 Jul - 04 Aug	Vueling Airlines
22 Jul - 24 Jul	Air Serbia
28 Jul - 01 Aug	Vueling Airlines
24 Jul - 07 Aug	Eurowings
29 Jul - 03 Aug	Eurowings
28 Jul - 04 Aug	Vueling Airlines
24 Jul - 28 Jul	Eurowings
22 Jul - 26 Jul	Air France

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

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 July from 224€

Return flights