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

Return flights

01 Dec - 22 Dec	Wizz Air UK
09 Dec - 15 Dec	Wizz Air UK
05 Dec - 30 Jan	Wizz Air UK
04 Dec - 10 Jan	Wizz Air UK
16 Dec - 27 Dec	Wizz Air UK
19 Dec - 01 Jan	easyJet
19 Dec - 10 Jan	easyJet
19 Dec - 31 Dec	Wizz Air UK
23 Dec - 04 Jan	Wizz Air UK
21 Dec - 04 Jan	easyJet
19 Dec - 02 Jan	easyJet
19 Dec - 03 Jan	Wizz Air UK
19 Dec - 04 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 206€

Return flights