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

Return flights

12 Dec - 21 Dec	easyJet
12 Dec - 14 Dec	easyJet
14 Dec - 18 Dec	easyJet
11 Dec - 21 Dec	easyJet
08 Dec - 20 Dec	Air Serbia	direct
18 Dec - 24 Dec	easyJet
31 Dec - 08 Jan	Lufthansa
15 Dec - 29 Dec	Lufthansa
13 Dec - 28 Dec	Air Serbia	direct
14 Dec - 18 Dec	Air Serbia	direct
15 Dec - 29 Dec	Air Serbia	direct
24 Dec - 08 Jan	Austrian Airlines
29 Dec - 02 Jan	Lufthansa
30 Dec - 02 Jan	Lufthansa
27 Dec - 03 Jan	SWISS
28 Dec - 02 Jan	SWISS
22 Dec - 09 Jan	easyJet
24 Dec - 01 Jan	easyJet
25 Dec - 02 Jan	Austrian Airlines
23 Dec - 04 Jan	Lufthansa

Also check the deals for one-way flights from Duesseldorf 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 Duesseldorf to Belgrade in December from $178

Return flights