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

Return flights

06 Dec - 25 Dec	Wizz Air
06 Dec - 08 Dec	Wizz Air
11 Dec - 26 Dec	AJet
11 Dec - 12 Jan	AJet
06 Dec - 27 Dec	Wizz Air
13 Dec - 24 Dec	Hainan Airlines
12 Dec - 14 Dec	Wizz Air
09 Dec - 30 Dec	Hainan Airlines
11 Dec - 15 Jan	Pegasus Airlines
13 Dec - 22 Dec	Hainan Airlines
12 Dec - 24 Dec	Air Serbia
10 Dec - 17 Dec	Turkish Airlines
08 Dec - 15 Jan	Air France
31 Dec - 28 Jan	Wizz Air
31 Dec - 14 Jan	Wizz Air
11 Dec - 11 Jan	AJet
31 Dec - 24 Jan	Wizz Air
16 Dec - 18 Jan	Hainan Airlines
10 Dec - 14 Jan	Turkish Airlines
29 Dec - 26 Jan	Air Serbia

Also check the deals for one-way flights from Belgrade to Bangkok 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 Bangkok in December from 580€

Return flights