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

Return flights

07 Dec - 14 Dec	easyJet
11 Dec - 13 Dec	Ryanair
11 Dec - 14 Dec	easyJet
05 Dec - 12 Dec	Norwegian Air Sweden AOC
06 Dec - 07 Dec	Ryanair
18 Dec - 25 Dec	Austrian Airlines
12 Dec - 14 Dec	SWISS
05 Dec - 07 Dec	SWISS
06 Dec - 12 Dec	SWISS
06 Dec - 14 Dec	SWISS
22 Dec - 01 Jan	Austrian Airlines
17 Dec - 12 Jan	Lufthansa
29 Dec - 05 Jan	Austrian Airlines
31 Dec - 04 Jan	Austrian Airlines
24 Dec - 04 Jan	Austrian Airlines
30 Dec - 02 Jan	SWISS
29 Dec - 02 Jan	Austrian Airlines
24 Dec - 02 Jan	Lufthansa
28 Dec - 02 Jan	Ryanair
22 Dec - 01 Jan	Air Serbia	direct

Also check the deals for one-way flights from Copenhagen 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 Copenhagen to Belgrade in December from 132€

Return flights