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

Return flights

23 Sep - 23 Oct	Pegasus Airlines
23 Sep - 18 Oct	Pegasus Airlines
24 Sep - 20 Oct	AJet
25 Sep - 25 Oct	Pegasus Airlines
26 Sep - 23 Oct	Pegasus Airlines
09 Sep - 16 Sep	AJet
09 Sep - 14 Oct	AJet
06 Sep - 16 Sep	AJet
03 Sep - 02 Oct	AJet
03 Sep - 16 Sep	AJet
02 Sep - 23 Sep	Pegasus Airlines
08 Sep - 16 Sep	Pegasus Airlines
02 Sep - 16 Sep	Pegasus Airlines
10 Sep - 16 Sep	AJet
10 Sep - 30 Sep	AJet
10 Sep - 02 Oct	AJet
03 Sep - 30 Sep	AJet
04 Sep - 30 Sep	AJet
09 Sep - 15 Oct	AJet
16 Sep - 21 Oct	Pegasus Airlines

Also check the deals for one-way flights from Copenhagen 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 Copenhagen to Tehran in September from 279€

Return flights