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

Return flights

30 Dec - 04 Jan	Air Serbia	direct
08 Dec - 15 Dec	Air Serbia
11 Dec - 13 Dec	Wizz Air
10 Dec - 11 Dec	Wizz Air
08 Dec - 15 Dec	Air Serbia	direct
12 Dec - 14 Dec	Air Serbia	direct
18 Dec - 21 Dec	Air Serbia	direct
16 Dec - 21 Dec	Air Serbia	direct
20 Dec - 21 Dec	Air Serbia	direct
29 Dec - 02 Jan	Air Serbia	direct
29 Dec - 01 Jan	Air Serbia	direct
25 Dec - 28 Dec	Air Serbia	direct
23 Dec - 25 Dec	Wizz Air
30 Dec - 03 Jan	Air Serbia	direct
27 Dec - 03 Jan	Air Serbia	direct

Also check the deals for one-way flights from Belgrade to Zagreb 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 Zagreb in December from 142€

Return flights