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

Return flights

18 Dec - 25 Dec	Wizz Air Malta
19 Dec - 25 Dec	Wizz Air Malta
16 Dec - 17 Dec	Wizz Air Malta
22 Dec - 12 Jan	Wizz Air Malta
26 Dec - 27 Dec	Wizz Air Malta
15 Dec - 22 Dec	Ryanair
15 Dec - 17 Dec	Wizz Air Malta
14 Dec - 16 Dec	Wizz Air Malta
24 Dec - 27 Dec	Wizz Air Malta
22 Dec - 05 Jan	Wizz Air Malta
26 Dec - 28 Dec	Wizz Air Malta
12 Dec - 12 Dec	Wizz Air Malta
31 Dec - 04 Jan	Wizz Air Malta
31 Dec - 05 Jan	Wizz Air Malta

Also check the deals for one-way flights from Bucharest 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 Bucharest to Belgrade in December from $193

Return flights