Cheapest return flights from Cologne to Bangkok in September from $657

Best time to book flights for Cologne (CGN) to Bangkok (BKK) flights at AirHint

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

Return flights

09 Sep - 30 Sep Lufthansa
08 Sep - 21 Sep Lufthansa
10 Sep - 17 Sep Lufthansa
10 Sep - 24 Sep Lufthansa
09 Sep - 23 Sep Lufthansa
01 Sep - 14 Sep Austrian Airlines
05 Sep - 15 Sep Austrian Airlines
22 Sep - 28 Sep Austrian Airlines
01 Sep - 30 Sep Austrian Airlines
29 Sep - 10 Oct Turkish Airlines
18 Sep - 30 Sep Austrian Airlines
19 Sep - 09 Oct Austrian Airlines
20 Sep - 10 Oct Turkish Airlines
26 Sep - 11 Oct Turkish Airlines
29 Sep - 20 Oct Austrian Airlines
19 Sep - 03 Oct Turkish Airlines
13 Sep - 04 Oct Turkish Airlines
29 Sep - 19 Oct Austrian Airlines
28 Sep - 17 Oct Turkish Airlines
26 Sep - 17 Oct Turkish Airlines

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

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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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