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

Return flights

18 Dec - 21 Dec	Wizz Air
18 Dec - 21 Dec	Air Serbia	direct
15 Dec - 16 Dec	Air Serbia	direct
17 Dec - 18 Dec	Air Serbia	direct
15 Dec - 19 Dec	Air Serbia	direct
16 Dec - 19 Dec	Air Serbia	direct
17 Dec - 19 Dec	Air Serbia	direct
15 Dec - 17 Dec	Air Serbia	direct
15 Dec - 18 Dec	Air Serbia	direct
18 Dec - 19 Dec	Air Serbia	direct
28 Dec - 02 Jan	Air Serbia	direct
29 Dec - 02 Jan	Air Serbia	direct
30 Dec - 02 Jan	Air Serbia	direct

Also check the deals for one-way flights from Budapest 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.

Book a cheap hotel in Belgrade

Cheap car rent in Belgrade

Cheapest return flights from Budapest to Belgrade in December from $137

Return flights