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

Return flights

01 Sep - 30 Sep	AJet
03 Sep - 26 Sep	Pegasus Airlines
21 Sep - 21 Oct	AJet
02 Sep - 26 Sep	Wizz Air
10 Sep - 04 Oct	AJet
23 Sep - 21 Oct	Pegasus Airlines
02 Sep - 20 Sep	Turkish Airlines
05 Sep - 05 Oct	Pegasus Airlines
09 Sep - 30 Sep	AJet
20 Sep - 04 Oct	Pegasus Airlines
26 Sep - 18 Oct	Pegasus Airlines
08 Sep - 23 Sep	AJet
22 Sep - 21 Oct	Pegasus Airlines
21 Sep - 29 Sep	Ryanair
17 Sep - 30 Sep	Ryanair
13 Sep - 28 Sep	SunExpress
28 Sep - 27 Oct	Pegasus Airlines
23 Sep - 30 Sep	Pegasus Airlines
27 Sep - 15 Oct	Ryanair
30 Sep - 17 Oct	AJet

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Tehran in September from 236€

Return flights