Cheapest one-way flights from London to Istanbul in April from $120
AirHint found the following cheapest one-way flights from London (LON) to Istanbul (IST) in April 2026 (see full year).
One-Way flights
| 15 Apr | British Airways | direct | |
| 22 Apr | British Airways | direct | |
| 24 Apr | LOT | ||
| 12 Apr | LOT | ||
| 05 Apr | LOT | ||
| 03 Apr | LOT | ||
| 01 Apr | LOT | ||
| 30 Apr | LOT | ||
| 12 Apr | Turkish Airlines | direct | |
| 03 Apr | Turkish Airlines | direct |
Also check the deals for return flights from London to Istanbul in April.
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.
