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

Return flights

17 Sep - 19 Sep	Pegasus Airlines
19 Sep - 22 Sep	Pegasus Airlines
20 Sep - 23 Sep	SunExpress
15 Sep - 17 Sep	AJet
01 Sep - 30 Sep	AJet
04 Sep - 03 Oct	AJet
03 Sep - 06 Sep	AJet
02 Sep - 09 Sep	AJet
04 Sep - 11 Sep	AJet
20 Sep - 27 Sep	SunExpress
20 Sep - 04 Oct	SunExpress
06 Sep - 12 Sep	Pegasus Airlines	direct
30 Sep - 18 Oct	SunExpress
30 Sep - 04 Oct	SunExpress
16 Sep - 04 Oct	SunExpress
27 Sep - 13 Oct	SunExpress
15 Sep - 04 Oct	SunExpress
22 Sep - 04 Oct	SunExpress
25 Sep - 04 Oct	SunExpress
30 Sep - 13 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 170€

Return flights