AirHint found the following cheapest one-way flights from London (LCY) to Istanbul (IST) in April 2026 (see full year).
One-Way flights
| 29 Apr | KLM | ||
| 17 Apr | KLM | ||
| 30 Apr | KLM | ||
| 22 Apr | KLM | ||
| 23 Apr | KLM | ||
| 08 Apr | KLM | ||
| 11 Apr | KLM | ||
| 01 Apr | KLM | ||
| 14 Apr | KLM | ||
| 04 Apr | KLM |
Also check the deals for return flights from London to Istanbul in April.
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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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