Cheapest return flights from London to Tehran in September from 446€

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

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

Return flights

16 Sep - 14 Oct British Airways
08 Sep - 12 Oct Brussels Airlines
01 Sep - 30 Sep Lufthansa
05 Sep - 13 Sep Lufthansa
15 Sep - 30 Sep Austrian Airlines
26 Sep - 29 Sep Austrian Airlines
13 Sep - 30 Sep Austrian Airlines
10 Sep - 08 Oct Lufthansa
21 Sep - 04 Oct Austrian Airlines
01 Sep - 27 Sep Lufthansa
01 Sep - 06 Oct Austrian Airlines
07 Sep - 23 Oct Lufthansa
01 Sep - 01 Sep Austrian 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