Cheapest return flights from London to Istanbul in December from 143€

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

09 Dec - 16 Jan British Airways direct
27 Dec - 13 Jan British Airways direct
06 Dec - 09 Dec British Airways direct
05 Dec - 09 Dec British Airways direct
08 Dec - 15 Dec British Airways direct
05 Dec - 07 Dec British Airways direct
10 Dec - 21 Dec British Airways direct
27 Dec - 11 Jan British Airways direct
26 Dec - 27 Jan British Airways direct
01 Dec - 05 Dec British Airways direct
12 Dec - 25 Jan British Airways direct
12 Dec - 16 Dec British Airways direct
15 Dec - 22 Dec Air France
12 Dec - 15 Dec British Airways direct
12 Dec - 19 Dec British Airways direct
14 Dec - 12 Jan British Airways
14 Dec - 11 Jan Air Serbia
16 Dec - 07 Jan British Airways direct
17 Dec - 08 Jan LOT
14 Dec - 12 Jan British Airways direct

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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