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

Return flights

13 Jan - 01 Feb	Pegasus Airlines
06 Jan - 27 Jan	Pegasus Airlines
04 Jan - 18 Jan	Pegasus Airlines
09 Jan - 30 Jan	AJet
19 Jan - 09 Feb	Lufthansa
12 Jan - 19 Jan	SWISS
07 Jan - 21 Jan	Lufthansa
07 Jan - 22 Jan	Lufthansa
08 Jan - 21 Jan	Lufthansa
19 Jan - 19 Feb	Turkish Airlines
20 Jan - 06 Feb	Turkish Airlines
21 Jan - 26 Feb	Turkish Airlines
06 Jan - 28 Jan	Lufthansa
17 Jan - 30 Jan	Turkish Airlines
26 Jan - 08 Feb	Turkish Airlines
05 Jan - 12 Jan	Lufthansa
05 Jan - 02 Feb	Lufthansa
19 Jan - 26 Feb	Turkish Airlines
16 Jan - 12 Feb	SWISS
22 Jan - 22 Feb	Austrian Airlines

Also check the deals for one-way flights from Cologne 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 Cologne to Bangkok in January from 638€

Return flights