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

Return flights

05 Dec - 21 Dec	Wizz Air
27 Dec - 11 Jan	Air Serbia
27 Dec - 09 Jan	Air Serbia
22 Dec - 04 Jan	Scat Airlines
15 Dec - 11 Jan	Air Serbia
26 Dec - 07 Jan	Air Serbia
26 Dec - 04 Jan	Air Serbia
28 Dec - 03 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 690€

Return flights