Cheapest return flights from London to Tehran in September from $306

Best time to book flights for London (STN) to Tehran (IKA) flights at AirHint

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

Return flights

15 Sep - 10 Oct AJet
01 Sep - 26 Sep Pegasus Airlines
07 Sep - 03 Oct Pegasus Airlines
01 Sep - 29 Sep Pegasus Airlines
14 Sep - 12 Oct Pegasus Airlines
23 Sep - 19 Oct Pegasus Airlines
03 Sep - 08 Oct Pegasus Airlines
08 Sep - 30 Sep Pegasus Airlines
06 Sep - 28 Sep Pegasus Airlines

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

Skyscanner

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.

Book a cheap hotel in Tehran

Cheap car rent in Tehran