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

Return flights

14 Mar - 28 Mar	Turkish Airlines
15 Mar - 03 Apr	Austrian Airlines
05 Mar - 31 Mar	Austrian Airlines
19 Mar - 28 Mar	Austrian Airlines
22 Mar - 20 Apr	Austrian Airlines
10 Mar - 20 Apr	Austrian Airlines
15 Mar - 11 Apr	Austrian Airlines
16 Mar - 17 Apr	Lufthansa
14 Mar - 21 Mar	Lufthansa
02 Mar - 01 Apr	Lufthansa
28 Mar - 10 Apr	Lufthansa
27 Mar - 11 Apr	Lufthansa
28 Mar - 12 Apr	Lufthansa
27 Mar - 12 Apr	Lufthansa

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 $468

Return flights