Cheapest return flights from London to Tehran in December from 361€

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

Return flights

01 Dec - 10 Dec Turkish Airlines
05 Dec - 14 Dec Turkish Airlines
01 Dec - 15 Dec Turkish Airlines
03 Dec - 29 Dec Turkish Airlines
02 Dec - 31 Dec Turkish Airlines
02 Dec - 26 Dec Turkish Airlines
01 Dec - 31 Dec Turkish Airlines
25 Dec - 31 Jan Turkish Airlines
12 Dec - 16 Dec Turkish Airlines
10 Dec - 30 Dec Turkish Airlines
07 Dec - 11 Jan Turkish Airlines
16 Dec - 20 Dec Turkish Airlines
16 Dec - 14 Jan Austrian Airlines
06 Dec - 01 Jan British Airways
05 Dec - 01 Jan Turkish Airlines
25 Dec - 08 Jan Turkish Airlines
18 Dec - 14 Jan Turkish Airlines
27 Dec - 02 Jan Austrian Airlines
22 Dec - 09 Jan Turkish Airlines
20 Dec - 01 Jan Vueling Airlines

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

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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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