Cheapest return flights from London to Istanbul in December from 168€

Best time to book flights for London (LHR) to Istanbul (IST) flights at AirHint

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

Return flights

03 Dec - 17 Dec British Airways direct
01 Dec - 07 Dec British Airways direct
01 Dec - 10 Dec British Airways direct
02 Dec - 10 Dec British Airways direct
08 Dec - 15 Dec Air France
06 Dec - 05 Jan Air France
15 Dec - 18 Dec Air France
06 Dec - 13 Dec Air France
29 Dec - 05 Jan Air France
12 Dec - 15 Dec Air France
13 Dec - 24 Dec Air France
10 Dec - 12 Dec Air France
11 Dec - 05 Jan Air France
28 Dec - 17 Jan KLM
12 Dec - 03 Jan Air France
27 Dec - 03 Jan Air France
17 Dec - 04 Jan Air France
13 Dec - 04 Jan Air France
18 Dec - 08 Jan LOT
18 Dec - 03 Jan Air France

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

Skyscanner

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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