Cheapest return flights from London to Tehran in April from 403€

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

Return flights

14 Apr - 19 May British Airways
14 Apr - 26 May British Airways
15 Apr - 13 May Turkish Airlines
22 Apr - 13 May Turkish Airlines
23 Apr - 21 May Turkish Airlines
10 Apr - 18 Apr Aegean Airlines
30 Apr - 16 May Turkish Airlines
20 Apr - 26 Apr Austrian Airlines
05 Apr - 11 Apr Air Serbia
04 Apr - 18 Apr Lufthansa
03 Apr - 18 Apr Aegean Airlines
01 Apr - 11 Apr Lufthansa

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

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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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