AirHint found the following cheapest return flights from Cologne (CGN) to Bangkok (DMK) in August 2025 (see full year).

Return flights

30 Aug - 03 Sep	Pegasus Airlines
21 Aug - 28 Aug	Pegasus Airlines
20 Aug - 27 Aug	Turkish Airlines
19 Aug - 26 Aug	Turkish Airlines
22 Aug - 29 Aug	Turkish Airlines
26 Aug - 29 Aug	Turkish Airlines
19 Aug - 02 Sep	Eurowings
19 Aug - 07 Sep	Eurowings
22 Aug - 26 Aug	Turkish Airlines

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

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 August from $767

Return flights