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

Return flights

01 Dec - 15 Dec	Wizz Air Malta
06 Dec - 23 Dec	Wizz Air
01 Dec - 17 Dec	Wizz Air Malta
03 Dec - 14 Dec	Wizz Air Malta
06 Dec - 18 Jan	Ryanair
02 Dec - 16 Dec	Wizz Air Malta
01 Dec - 28 Dec	Wizz Air Malta
10 Dec - 17 Dec	Wizz Air Malta
11 Dec - 26 Dec	Wizz Air Malta
07 Dec - 26 Dec	Wizz Air Malta
02 Dec - 10 Dec	Wizz Air Malta
08 Dec - 11 Jan	Wizz Air Malta
29 Dec - 16 Jan	Wizz Air
09 Dec - 08 Jan	Wizz Air
30 Dec - 16 Jan	Wizz Air
08 Dec - 08 Jan	Wizz Air Malta
26 Dec - 16 Jan	Wizz Air
22 Dec - 11 Jan	Wizz Air Malta
30 Dec - 10 Jan	Wizz Air
23 Dec - 11 Jan	Wizz Air

Also check the deals for one-way flights from Bucharest 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 Bucharest to Bangkok in December from $702

Return flights