AirHint found the following cheapest one-way flights from London (LHR) to Istanbul (IST) in October 2025 (see full year).
One-Way flights
| 28 Oct | Eurowings | ||
| 12 Oct | Air Serbia | ||
| 19 Oct | Air Serbia | ||
| 30 Oct | Air Serbia | ||
| 11 Oct | Air Serbia | ||
| 29 Oct | Air France | ||
| 15 Oct | Vueling Airlines | ||
| 06 Oct | Vueling Airlines | ||
| 21 Oct | Air France | ||
| 08 Oct | Air France |
Also check the deals for return flights from London to Istanbul in October.
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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