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

Return flights

27 Aug - 30 Aug	Air Serbia
21 Aug - 28 Aug	Air Serbia
20 Aug - 27 Aug	Air Serbia
20 Aug - 22 Aug	Air Serbia
19 Aug - 21 Aug	Air Serbia
29 Aug - 31 Aug	Air Serbia
22 Aug - 24 Aug	Turkish Airlines
20 Aug - 24 Aug	Turkish Airlines
18 Aug - 20 Aug	Air Serbia

Also check the deals for one-way flights from Ljubljana to Bucharest 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 Ljubljana to Bucharest in August from 184€

Return flights