Cheapest return flights from London to Tehran in September from $436

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

04 Sep - 20 Oct British Airways
21 Sep - 04 Oct British Airways
04 Sep - 13 Oct British Airways
05 Sep - 02 Oct Lufthansa
18 Sep - 02 Oct British Airways
20 Sep - 04 Oct British Airways
01 Sep - 06 Oct British Airways
19 Sep - 27 Sep SWISS
01 Sep - 25 Sep British Airways
01 Sep - 10 Oct Austrian Airlines
05 Sep - 10 Oct Austrian Airlines
06 Sep - 29 Sep Austrian Airlines
01 Sep - 29 Sep Austrian Airlines
15 Sep - 15 Oct Austrian Airlines
06 Sep - 21 Sep British Airways
17 Sep - 30 Sep Lufthansa
02 Sep - 16 Sep Austrian Airlines
15 Sep - 29 Sep SWISS
04 Sep - 18 Sep Austrian Airlines
14 Sep - 30 Sep Lufthansa

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

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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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