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

Return flights

10 Dec - 12 Dec	Wizz Air
11 Dec - 12 Dec	Wizz Air
11 Dec - 13 Dec	Ryanair
11 Dec - 18 Dec	Wizz Air
03 Dec - 05 Dec	Wizz Air
12 Dec - 19 Dec	Lufthansa
15 Dec - 22 Dec	Austrian Airlines
17 Dec - 24 Dec	Lufthansa
14 Dec - 21 Dec	Ryanair
02 Dec - 03 Dec	Wizz Air
26 Dec - 07 Jan	Austrian Airlines
30 Dec - 02 Jan	Lufthansa
26 Dec - 07 Jan	LOT	direct
30 Dec - 02 Jan	LOT	direct

Also check the deals for one-way flights from Warsaw 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 Warsaw to Belgrade in December from $107

Return flights