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

Return flights

14 Dec - 21 Dec	Wizz Air
11 Dec - 16 Dec	Wizz Air
13 Dec - 16 Dec	Wizz Air
20 Dec - 23 Dec	Wizz Air
30 Dec - 09 Jan	Air Serbia
30 Dec - 07 Jan	Air Serbia
07 Dec - 09 Dec	Wizz Air
27 Dec - 03 Jan	Wizz Air
21 Dec - 02 Jan	Wizz Air
27 Dec - 02 Jan	Wizz Air
30 Dec - 06 Jan	Air Serbia
31 Dec - 03 Jan	Air Serbia
29 Dec - 02 Jan	Wizz Air
28 Dec - 04 Jan	Wizz Air
30 Dec - 04 Jan	Air Serbia

Also check the deals for one-way flights from Belgrade to Warsaw 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 Belgrade to Warsaw in December from 151€

Return flights