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

Return flights

20 May - 09 Jun	Austrian Airlines
21 May - 09 Jun	Austrian Airlines
18 May - 08 Jun	Austrian Airlines
01 May - 08 May	Austrian Airlines
19 May - 08 Jun	Austrian Airlines
20 May - 08 Jun	Lufthansa
22 May - 09 Jun	Lufthansa
22 May - 25 May	Lufthansa
18 May - 29 May	Austrian Airlines
23 May - 02 Jun	Qatar Airways

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

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

Cheapest return flights from London to Tehran in May from 478€

Return flights