AirHint found the following cheapest one-way flights from London (LHR) to Istanbul (IST) in December 2026 (see full year).
One-Way flights
| 07 Dec | KLM | ||
| 01 Dec | KLM | ||
| 09 Dec | Air France | ||
| 10 Dec | Air France | ||
| 09 Dec | British Airways | direct | |
| 10 Dec | British Airways | direct | |
| 07 Dec | British Airways | direct | |
| 01 Dec | British Airways | direct | |
| 17 Dec | LOT | ||
| 26 Dec | LOT |
Also check the deals for return 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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