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

Return flights

22 Sep - 25 Sep	Pegasus Airlines
20 Sep - 01 Oct	Pegasus Airlines
25 Sep - 01 Oct	Pegasus Airlines
22 Sep - 01 Oct	Pegasus Airlines
26 Sep - 11 Oct	Pegasus Airlines
27 Sep - 11 Oct	Pegasus Airlines
30 Sep - 10 Oct	Pegasus Airlines
22 Sep - 05 Oct	AJet
22 Sep - 08 Oct	Pegasus Airlines
30 Sep - 31 Oct	Pegasus Airlines
22 Sep - 26 Sep	Pegasus Airlines
26 Sep - 29 Sep	AJet
23 Sep - 30 Sep	Pegasus Airlines
25 Sep - 30 Sep	Pegasus Airlines
26 Sep - 12 Oct	Pegasus Airlines
21 Sep - 28 Sep	AJet
30 Sep - 30 Sep	Turkish Airlines

Also check the deals for one-way flights from Duesseldorf to Tehran 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 Duesseldorf to Tehran in September from $357

Return flights