AirHint found the following cheapest return flights from Belgrade (BEG) to Ljubljana (LJU) in January 2026 (see full year).

Return flights

22 Jan - 22 Jan	Air Serbia
15 Jan - 22 Jan	Air Serbia
22 Jan - 25 Jan	Air Serbia	direct
22 Jan - 26 Jan	Air Serbia	direct
22 Jan - 27 Jan	Air Serbia	direct
22 Jan - 25 Jan	Lufthansa
22 Jan - 26 Jan	Lufthansa
23 Jan - 26 Jan	Air Serbia	direct
23 Jan - 26 Jan	Lufthansa
22 Jan - 22 Jan	Air Serbia	direct

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

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 January from 166€

Return flights