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

Return flights

23 Sep - 07 Oct	Pegasus Airlines
15 Sep - 20 Oct	Wizz Air UK
15 Sep - 01 Oct	Wizz Air UK
22 Sep - 04 Oct	Wizz Air UK
13 Sep - 12 Oct	Wizz Air UK
20 Sep - 03 Oct	Wizz Air UK
06 Sep - 23 Sep	Wizz Air UK
10 Sep - 17 Oct	Wizz Air UK
15 Sep - 29 Sep	Wizz Air UK
11 Sep - 25 Sep	Corendon Airlines
13 Sep - 30 Sep	Wizz Air UK
10 Sep - 25 Sep	Wizz Air UK
08 Sep - 08 Oct	Wizz Air UK
22 Sep - 11 Oct	SunExpress
10 Sep - 17 Sep	Wizz Air UK
07 Sep - 12 Oct	Pegasus Airlines
16 Sep - 23 Sep	Wizz Air Malta
23 Sep - 30 Sep	Corendon Airlines
13 Sep - 22 Sep	Wizz Air UK
15 Sep - 20 Sep	Wizz Air UK

Also check the deals for one-way flights from London 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 London to Tehran in September from 228€

Return flights