AirHint found the following cheapest return flights from London (LCY) to Tehran (IKA) in October 2025 (see full year).

Return flights

22 Oct - 06 Nov	Lufthansa
30 Oct - 16 Nov	Lufthansa
24 Oct - 07 Nov	Lufthansa
10 Oct - 28 Oct	Lufthansa
20 Oct - 27 Oct	Lufthansa
01 Oct - 06 Nov	Lufthansa
01 Oct - 31 Oct	Lufthansa
14 Oct - 28 Oct	British Airways

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

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 October from $608

Return flights