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

Return flights

15 Jan - 30 Jan	Turkish Airlines
08 Jan - 15 Jan	Turkish Airlines
02 Jan - 08 Feb	Turkish Airlines
01 Jan - 01 Feb	Turkish Airlines
03 Jan - 31 Jan	Turkish Airlines
01 Jan - 22 Jan	Turkish Airlines
08 Jan - 24 Jan	Turkish Airlines
06 Jan - 17 Jan	Turkish Airlines
09 Jan - 18 Jan	Turkish Airlines
10 Jan - 17 Jan	Turkish Airlines
04 Jan - 12 Jan	Turkish Airlines
04 Jan - 09 Jan	Turkish Airlines
05 Jan - 05 Feb	Lufthansa

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

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 January from 343€

Return flights