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

Return flights

27 Aug - 25 Sep	Wizz Air UK
25 Aug - 16 Sep	Wizz Air UK
19 Aug - 16 Sep	Wizz Air UK
20 Aug - 12 Sep	Norwegian
10 Aug - 20 Sep	Wizz Air UK
15 Aug - 20 Sep	Wizz Air UK
24 Aug - 07 Sep	Wizz Air UK
01 Aug - 04 Aug	Wizz Air UK
08 Aug - 25 Aug	Wizz Air UK
07 Aug - 02 Sep	Wizz Air Malta
22 Aug - 07 Sep	Wizz Air UK
07 Aug - 15 Aug	Wizz Air Malta
31 Aug - 07 Sep	Wizz Air UK
11 Aug - 18 Aug	Ryanair
14 Aug - 18 Aug	Wizz Air UK
04 Aug - 18 Aug	Wizz Air Malta
01 Aug - 10 Aug	Wizz Air UK
09 Aug - 16 Aug	Wizz Air Malta
01 Aug - 15 Aug	Wizz Air UK
07 Aug - 21 Aug	Scandinavian Airlines

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 306€

Return flights