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

Return flights

01 Dec - 09 Dec	Pegasus Airlines
01 Dec - 06 Dec	Pegasus Airlines
04 Dec - 09 Dec	Pegasus Airlines
07 Dec - 21 Dec	Wizz Air
01 Dec - 21 Dec	Pegasus Airlines
11 Dec - 27 Dec	Air Serbia
01 Dec - 14 Dec	Wizz Air
08 Dec - 21 Dec	Air Serbia
04 Dec - 14 Dec	Wizz Air
06 Dec - 26 Dec	Air Serbia
11 Dec - 15 Jan	Air Serbia
22 Dec - 13 Jan	Pegasus Airlines
05 Dec - 19 Jan	Wizz Air
30 Dec - 14 Jan	Turkish Airlines
28 Dec - 17 Jan	Pegasus Airlines
01 Dec - 09 Jan	Pegasus Airlines
22 Dec - 15 Jan	Pegasus Airlines
10 Dec - 14 Jan	Wizz Air
30 Dec - 20 Jan	Turkish Airlines
21 Dec - 14 Jan	Pegasus Airlines

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 517€

Return flights