AirHint found the following cheapest return flights from London (LHR) to Tehran (IKA) in March 2026 (see full year).

Return flights

03 Mar - 11 Mar	Turkish Airlines
18 Mar - 28 Mar	Turkish Airlines
15 Mar - 22 Mar	Turkish Airlines
21 Mar - 19 Apr	Lufthansa
20 Mar - 10 Apr	Austrian Airlines
19 Mar - 10 Apr	Austrian Airlines
19 Mar - 09 Apr	Austrian Airlines
14 Mar - 29 Mar	Lufthansa
16 Mar - 29 Mar	Lufthansa
18 Mar - 02 Apr	Lufthansa
27 Mar - 10 Apr	Lufthansa
26 Mar - 12 Apr	Eurowings
20 Mar - 12 Apr	Turkish Airlines

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

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 March from 369€

Return flights