AirHint found the following cheapest return flights from Belgrade (BEG) to Ljubljana (LJU) in August 2025 (see full year).

Return flights

21 Aug - 22 Aug	Air Serbia	direct
26 Aug - 27 Aug	Air Serbia	direct
22 Aug - 31 Aug	Air Serbia	direct
25 Aug - 29 Aug	Air Serbia	direct
26 Aug - 29 Aug	Air Serbia	direct
19 Aug - 25 Sep	Air Serbia	direct
22 Aug - 27 Aug	Air Serbia	direct
20 Aug - 30 Aug	Lufthansa
24 Aug - 31 Aug	Lufthansa
14 Aug - 23 Aug	Air Serbia	direct
12 Aug - 18 Aug	Air Serbia	direct

Also check the deals for one-way flights from Belgrade to Ljubljana in August.

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 Belgrade to Ljubljana in August from 176€

Return flights