Cheapest one-way flights from London to Istanbul in December from $126

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

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

One-Way flights

09 Dec British Airways direct
06 Dec British Airways direct
27 Dec British Airways direct
04 Dec British Airways direct
03 Dec British Airways direct
10 Dec British Airways direct
01 Dec Eurowings
01 Dec British Airways direct
12 Dec Air Serbia
17 Dec Air Serbia

Also check the deals for return 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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