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

Return flights

31 Dec - 15 Jan	Wizz Air UK
31 Dec - 25 Jan	Wizz Air UK
08 Dec - 11 Dec	easyJet
06 Dec - 20 Dec	easyJet
30 Dec - 12 Jan	easyJet
08 Dec - 17 Jan	easyJet
30 Dec - 27 Jan	easyJet
03 Dec - 12 Dec	Wizz Air UK
05 Dec - 20 Dec	easyJet
08 Dec - 21 Dec	Wizz Air UK
30 Dec - 11 Jan	easyJet
05 Dec - 12 Dec	easyJet
03 Dec - 13 Dec	Wizz Air UK
09 Dec - 30 Dec	easyJet
12 Dec - 21 Dec	easyJet
09 Dec - 26 Dec	easyJet
14 Dec - 12 Jan	SunExpress
27 Dec - 17 Jan	SunExpress
26 Dec - 20 Jan	Wizz Air UK
26 Dec - 17 Jan	easyJet

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 $249

Return flights