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

Return flights

27 Sep - 04 Oct	AJet
15 Sep - 23 Sep	AJet
15 Sep - 22 Sep	AJet
09 Sep - 24 Sep	AJet
15 Sep - 13 Oct	AJet
28 Sep - 05 Oct	AJet
09 Sep - 09 Oct	AJet
15 Sep - 14 Oct	AJet
08 Sep - 20 Oct	AJet
09 Sep - 20 Oct	AJet
20 Sep - 17 Oct	AJet
10 Sep - 17 Sep	AJet
10 Sep - 30 Sep	AJet
15 Sep - 28 Sep	AJet
03 Sep - 17 Sep	AJet
01 Sep - 30 Sep	AJet
13 Sep - 20 Sep	AJet
06 Sep - 20 Sep	AJet
26 Sep - 13 Oct	AJet
10 Sep - 20 Oct	AJet

Also check the deals for one-way flights from Paris 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 Paris to Tehran in September from 352€

Return flights