Cheapest return flights from London to Istanbul in December from $215

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

Return flights

31 Dec - 31 Jan British Airways direct
31 Dec - 28 Jan British Airways direct
31 Dec - 13 Jan British Airways direct
31 Dec - 22 Jan British Airways direct
31 Dec - 19 Jan British Airways direct
30 Dec - 21 Jan British Airways direct
31 Dec - 11 Jan Eurowings
29 Dec - 17 Jan British Airways direct
29 Dec - 28 Jan British Airways direct
29 Dec - 15 Jan British Airways direct
28 Dec - 31 Dec KM Malta Airlines
30 Dec - 31 Dec Eurowings
29 Dec - 31 Dec Eurowings
28 Dec - 29 Dec British Airways direct
27 Dec - 29 Dec LOT
27 Dec - 31 Dec LOT
27 Dec - 30 Dec LOT
28 Dec - 30 Dec LOT
26 Dec - 28 Dec LOT
27 Dec - 28 Dec LOT

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