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

Return flights

29 Aug - 12 Sep	Wizz Air UK
22 Aug - 10 Sep	Wizz Air UK
24 Aug - 10 Sep	Wizz Air UK
25 Aug - 15 Sep	Wizz Air UK
27 Aug - 11 Sep	Wizz Air UK
25 Aug - 19 Sep	Wizz Air UK
25 Aug - 25 Sep	Wizz Air UK
23 Aug - 26 Sep	Wizz Air UK
20 Aug - 20 Sep	Wizz Air UK
19 Aug - 26 Aug	Wizz Air
10 Aug - 10 Sep	Wizz Air UK
16 Aug - 26 Aug	Wizz Air UK
10 Aug - 26 Aug	Wizz Air UK
08 Aug - 22 Aug	Wizz Air UK
08 Aug - 21 Aug	Wizz Air UK
01 Aug - 04 Aug	Wizz Air UK
19 Aug - 25 Aug	Wizz Air
01 Aug - 26 Aug	Wizz Air UK
12 Aug - 31 Aug	Ryanair
09 Aug - 17 Aug	Wizz Air UK

Also check the deals for one-way flights from London to Tehran in August.

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 August from 343€

Return flights