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

Return flights

24 Apr - 09 May	Pegasus Airlines
20 Apr - 18 May	Turkish Airlines
11 Apr - 02 May	Turkish Airlines
03 Apr - 24 Apr	Ryanair
03 Apr - 15 Apr	Ryanair
29 Apr - 12 May	Turkish Airlines
30 Apr - 15 May	Turkish Airlines
01 Apr - 29 Apr	Turkish Airlines
18 Apr - 02 May	Eurowings
10 Apr - 01 May	Turkish Airlines
30 Apr - 22 May	Eurowings
06 Apr - 17 Apr	Turkish Airlines
10 Apr - 18 Apr	Turkish Airlines
07 Apr - 19 Apr	Eurowings
23 Apr - 16 May	Eurowings
01 Apr - 17 Apr	Turkish Airlines

Also check the deals for one-way flights from Cologne to Bangkok in April.

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 April from $811

Return flights