AirHint found the following cheapest return flights from Belgrade (BEG) to Brussels (BRU) in December 2025 (see full year).

Return flights

22 Dec - 07 Jan	Wizz Air
19 Dec - 22 Dec	Wizz Air
05 Dec - 08 Dec	LOT
05 Dec - 10 Dec	LOT
04 Dec - 09 Dec	LOT
12 Dec - 17 Dec	LOT
17 Dec - 02 Jan	LOT
01 Dec - 08 Dec	easyJet
21 Dec - 24 Dec	Wizz Air
01 Dec - 05 Dec	Wizz Air
11 Dec - 16 Dec	LOT
26 Dec - 05 Jan	LOT
29 Dec - 02 Jan	LOT
24 Dec - 27 Dec	Wizz Air
19 Dec - 04 Jan	Wizz Air
27 Dec - 04 Jan	Austrian Airlines
28 Dec - 01 Jan	Lufthansa
17 Dec - 02 Jan	Air Serbia	direct
22 Dec - 07 Jan	Air Serbia	direct
26 Dec - 05 Jan	Air Serbia	direct

Also check the deals for one-way flights from Belgrade to Brussels 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 return flights from Belgrade to Brussels in December from $142

Return flights