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

Return flights

01 Dec - 30 Jan	Wizz Air UK
02 Dec - 08 Dec	Wizz Air UK
01 Dec - 17 Dec	Wizz Air UK
01 Dec - 08 Dec	Wizz Air UK
10 Dec - 11 Dec	Wizz Air UK
01 Dec - 31 Dec	Wizz Air UK
03 Dec - 10 Dec	Wizz Air UK
09 Dec - 09 Jan	Wizz Air UK
04 Dec - 05 Jan	Wizz Air UK
11 Dec - 01 Jan	Wizz Air UK
12 Dec - 28 Dec	Turkish Airlines
12 Dec - 03 Jan	Wizz Air UK
13 Dec - 03 Jan	Wizz Air UK
28 Dec - 09 Jan	Wizz Air UK
17 Dec - 10 Jan	easyJet
17 Dec - 02 Jan	easyJet
20 Dec - 04 Jan	airBaltic

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

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 December from 207€

Return flights