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

Return flights

31 Dec - 20 Jan	Wizz Air UK
31 Dec - 16 Jan	Wizz Air UK
10 Dec - 25 Dec	Wizz Air UK
29 Dec - 13 Jan	SunExpress
30 Dec - 24 Jan	easyJet
31 Dec - 28 Jan	Wizz Air UK
08 Dec - 24 Dec	easyJet
08 Dec - 22 Dec	easyJet
29 Dec - 29 Jan	SunExpress
11 Dec - 24 Dec	Wizz Air UK
07 Dec - 14 Dec	SunExpress
08 Dec - 11 Dec	easyJet
31 Dec - 09 Jan	Wizz Air UK
11 Dec - 25 Dec	easyJet
10 Dec - 28 Dec	Wizz Air UK
07 Dec - 23 Dec	easyJet
11 Dec - 12 Dec	easyJet
31 Dec - 14 Jan	Turkish Airlines
28 Dec - 28 Jan	SunExpress
31 Dec - 12 Jan	Turkish Airlines

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 182€

Return flights