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

Return flights

08 Sep - 30 Sep	Wizz Air UK
17 Sep - 15 Oct	Wizz Air UK
09 Sep - 22 Oct	Wizz Air UK
15 Sep - 10 Oct	Wizz Air UK
29 Sep - 20 Oct	Wizz Air UK
15 Sep - 13 Oct	Wizz Air UK
09 Sep - 22 Sep	Wizz Air UK
09 Sep - 01 Oct	SunExpress
09 Sep - 30 Sep	Wizz Air UK
15 Sep - 08 Oct	Wizz Air UK
14 Sep - 22 Sep	Wizz Air UK
17 Sep - 14 Oct	Wizz Air UK
14 Sep - 15 Oct	Wizz Air UK
24 Sep - 30 Sep	SunExpress
10 Sep - 10 Oct	Wizz Air UK
14 Sep - 19 Sep	Wizz Air UK
05 Sep - 30 Sep	Wizz Air UK
08 Sep - 16 Sep	Wizz Air UK
15 Sep - 25 Sep	Wizz Air UK
08 Sep - 10 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 216€

Return flights