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

Return flights

16 Sep - 23 Sep	Pegasus Airlines
10 Sep - 17 Sep	AJet
11 Sep - 20 Sep	Pegasus Airlines
17 Sep - 19 Sep	AJet
11 Sep - 13 Sep	Pegasus Airlines
08 Sep - 12 Sep	SunExpress
08 Sep - 11 Sep	Pegasus Airlines
18 Sep - 25 Sep	AJet
10 Sep - 14 Sep	AJet
07 Sep - 23 Sep	AJet
28 Sep - 02 Oct	AJet
22 Sep - 04 Oct	SunExpress
29 Sep - 18 Oct	SunExpress
29 Sep - 04 Oct	SunExpress
20 Sep - 04 Oct	SunExpress
16 Sep - 04 Oct	SunExpress
15 Sep - 04 Oct	SunExpress
23 Sep - 04 Oct	SunExpress
30 Sep - 18 Oct	SunExpress
30 Sep - 04 Oct	SunExpress

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

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 Kayseri to Cologne in September from $154

Return flights