AirHint found the following cheapest return flights from Bucharest (OTP) to Bangkok (BKK) in January 2026 (see full year).

Return flights

22 Jan - 05 Feb	Pegasus Airlines
13 Jan - 27 Jan	SWISS
25 Jan - 08 Feb	Wizz Air Malta
08 Jan - 21 Jan	Pegasus Airlines
08 Jan - 18 Jan	Pegasus Airlines
14 Jan - 04 Feb	Wizz Air Malta
08 Jan - 15 Jan	Pegasus Airlines
19 Jan - 29 Jan	Lufthansa
11 Jan - 18 Jan	Aegean Airlines
03 Jan - 30 Jan	TAROM
04 Jan - 11 Jan	TAROM
05 Jan - 31 Jan	Turkish Airlines
05 Jan - 19 Jan	Turkish Airlines
20 Jan - 08 Feb	Wizz Air Malta
19 Jan - 04 Feb	Lufthansa
31 Jan - 08 Feb	Wizz Air Malta
21 Jan - 10 Feb	Lufthansa
14 Jan - 03 Feb	SWISS
24 Jan - 06 Feb	Austrian Airlines
22 Jan - 14 Feb	Lufthansa

Also check the deals for one-way flights from Bucharest to Bangkok in January.

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 January from 495€

Return flights