AirHint found the following cheapest one-way flights from Islamabad (ISB) to Istanbul (IST) in September 2026 (see full year).
One-Way flights
| 09 Sep | PIA | ||
| 28 Sep | Fly Jinnah | ||
| 09 Sep | PIA | direct | |
| 28 Sep | Turkish Airlines | direct |
Also check the deals for return flights from Islamabad to Istanbul in September.
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