AirHint found the following cheapest one-way flights from Islamabad (ISB) to Istanbul (IST) in September 2026 (see full year).
One-Way flights
| 22 Sep | Gulf Air | ||
| 24 Sep | Gulf Air | ||
| 25 Sep | Gulf Air | ||
| 29 Sep | Gulf Air | ||
| 26 Sep | Gulf Air | ||
| 27 Sep | Flynas | ||
| 30 Sep | Flynas | ||
| 03 Sep | Flynas | ||
| 22 Sep | Turkish Airlines | direct | |
| 24 Sep | Turkish Airlines | direct |
Also check the deals for return flights from Islamabad to Istanbul in September.
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