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

Return flights

04 Dec - 08 Dec	easyJet
15 Dec - 17 Dec	easyJet
12 Dec - 15 Dec	Ryanair
05 Dec - 08 Dec	Vueling Airlines
10 Dec - 12 Dec	easyJet
01 Dec - 05 Dec	Ryanair
14 Dec - 16 Dec	Ryanair
26 Dec - 31 Dec	Ryanair
17 Dec - 19 Jan	easyJet
29 Dec - 02 Jan	Ryanair
21 Dec - 27 Dec	easyJet
26 Dec - 02 Jan	easyJet
24 Dec - 02 Jan	easyJet
22 Dec - 24 Dec	easyJet
28 Dec - 01 Jan	Ryanair
19 Dec - 19 Jan	Ryanair
24 Dec - 02 Jan	Air Serbia	direct
29 Dec - 02 Jan	Air Serbia	direct
17 Dec - 19 Jan	Air Serbia	direct
26 Dec - 02 Jan	Air Serbia	direct

Also check the deals for one-way flights from Brussels to Belgrade 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 Brussels to Belgrade in December from 126€

Return flights