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

Return flights

12 Dec - 17 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
08 Dec - 15 Dec	easyJet
08 Dec - 10 Dec	easyJet
15 Dec - 19 Dec	Ryanair
06 Dec - 08 Dec	Ryanair
03 Dec - 05 Dec	easyJet
02 Dec - 04 Dec	Wizz Air
14 Dec - 19 Dec	Ryanair
18 Dec - 21 Dec	Ryanair
31 Dec - 05 Jan	Wizz Air
17 Dec - 19 Jan	LOT
17 Dec - 05 Jan	ITA Airways
31 Dec - 04 Jan	Ryanair
15 Dec - 01 Jan	LOT
12 Dec - 01 Jan	LOT
18 Dec - 04 Jan	Ryanair
22 Dec - 04 Jan	Ryanair
20 Dec - 11 Jan	Ryanair
19 Dec - 05 Jan	Ryanair

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 123€

Return flights