AirHint found the following cheapest return flights from Duesseldorf (DUS) to Sulaymaniyah (ISU) in December 2025 (see full year).

Return flights

30 Dec - 29 Jan	AJet
31 Dec - 13 Jan	Pegasus Airlines
30 Dec - 13 Jan	AJet
30 Dec - 20 Jan	AJet
31 Dec - 14 Jan	Pegasus Airlines
30 Dec - 08 Jan	AJet
30 Dec - 12 Jan	AJet
29 Dec - 08 Jan	Pegasus Airlines
30 Dec - 20 Jan	Condor	direct
31 Dec - 10 Jan	Pegasus Airlines
30 Dec - 30 Dec	Condor	direct
25 Dec - 31 Dec	Pegasus Airlines
23 Dec - 30 Dec	Condor	direct
24 Dec - 31 Dec	Pegasus Airlines
24 Dec - 25 Dec	Pegasus Airlines
21 Dec - 22 Dec	Freebird Airlines

Also check the deals for one-way flights from Duesseldorf to Sulaymaniyah in December.

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 Duesseldorf to Sulaymaniyah in December from $268

Return flights