Cheapest return flights from Cologne to Bangkok in September from $730

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

Return flights

13 Sep - 08 Oct AJet
02 Sep - 02 Oct Pegasus Airlines
29 Sep - 07 Oct AJet
02 Sep - 06 Sep Pegasus Airlines
01 Sep - 30 Sep AJet
07 Sep - 23 Sep Pegasus Airlines
05 Sep - 10 Sep Pegasus Airlines
12 Sep - 02 Oct Pegasus Airlines
22 Sep - 06 Oct Turkish Airlines
16 Sep - 28 Sep Turkish Airlines
06 Sep - 19 Sep Turkish Airlines
11 Sep - 17 Sep Austrian Airlines
10 Sep - 17 Sep Turkish Airlines
01 Sep - 05 Sep Turkish Airlines

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

Skyscanner

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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