Cheapest return flights from London to Istanbul in December from 140€

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

Return flights

02 Dec - 17 Dec British Airways direct
11 Dec - 12 Dec British Airways direct
08 Dec - 16 Dec British Airways direct
10 Dec - 18 Dec British Airways direct
01 Dec - 02 Dec British Airways direct
09 Dec - 16 Dec British Airways direct
11 Dec - 18 Dec British Airways direct
08 Dec - 15 Dec British Airways direct
03 Dec - 10 Dec British Airways direct
01 Dec - 11 Dec British Airways direct
03 Dec - 11 Jan British Airways direct
02 Dec - 23 Jan British Airways direct
15 Dec - 26 Jan Air France
15 Dec - 29 Jan Air France
09 Dec - 07 Jan British Airways direct
17 Dec - 12 Jan LOT
17 Dec - 12 Jan British Airways direct
18 Dec - 09 Jan LOT
13 Dec - 25 Jan LOT
18 Dec - 10 Jan LOT

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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