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

Return flights

11 Sep - 22 Sep	Pegasus Airlines
22 Sep - 23 Sep	Pegasus Airlines
22 Sep - 28 Sep	Pegasus Airlines
18 Sep - 24 Sep	Pegasus Airlines
27 Sep - 06 Oct	Pegasus Airlines
17 Sep - 24 Sep	AJet
15 Sep - 22 Sep	Pegasus Airlines
19 Sep - 21 Sep	AJet
15 Sep - 21 Sep	Pegasus Airlines
18 Sep - 23 Sep	Pegasus Airlines
19 Sep - 23 Sep	AJet
16 Sep - 06 Oct	SunExpress
16 Sep - 05 Oct	SunExpress
23 Sep - 06 Oct	SunExpress
23 Sep - 08 Oct	SunExpress
23 Sep - 05 Oct	SunExpress
16 Sep - 04 Oct	SunExpress
23 Sep - 04 Oct	SunExpress
27 Sep - 08 Oct	SunExpress
27 Sep - 15 Oct	SunExpress

Also check the deals for one-way flights from Kayseri to Duesseldorf 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 Duesseldorf in September from 162€

Return flights