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

Return flights

29 Jan - 28 Feb	Turkish Airlines
25 Jan - 18 Feb	Austrian Airlines
14 Jan - 06 Feb	Austrian Airlines
14 Jan - 11 Feb	Austrian Airlines
10 Jan - 20 Jan	AJet
13 Jan - 09 Feb	Austrian Airlines
13 Jan - 03 Feb	Austrian Airlines
19 Jan - 08 Feb	Pegasus Airlines
12 Jan - 27 Jan	AJet
13 Jan - 18 Jan	AJet
18 Jan - 28 Jan	Austrian Airlines
12 Jan - 22 Feb	AJet
18 Jan - 08 Feb	Austrian Airlines
18 Jan - 07 Feb	Austrian Airlines
13 Jan - 31 Jan	AJet
11 Jan - 25 Jan	AJet
05 Jan - 18 Jan	Pegasus Airlines
15 Jan - 31 Jan	Pegasus Airlines
04 Jan - 17 Jan	Ryanair
10 Jan - 24 Jan	AJet

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 560€

Return flights