AirHint found the following cheapest one-way flights from Belgrade (BEG) to Ljubljana (LJU) in December 2025 (see full year).

One-Way flights

15 Dec	Wizz Air
17 Dec	Wizz Air
14 Dec	Aegean Airlines
06 Dec	Air Serbia
11 Dec	Wizz Air
06 Dec	Air Serbia	direct
11 Dec	Air Serbia	direct
12 Dec	Air Serbia	direct
14 Dec	Air Serbia	direct
15 Dec	Air Serbia	direct

Also check the deals for return flights from Belgrade to Ljubljana in December.

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 one-way flights from Belgrade to Ljubljana in December from 72€

One-Way flights