AirHint found the following cheapest one-way flights from Istanbul (IST) to Islamabad (ISB) in September 2026 (see full year).
One-Way flights
| 03 Sep | Gulf Air | ||
| 02 Sep | Gulf Air | ||
| 23 Sep | Gulf Air | ||
| 05 Sep | flydubai | ||
| 22 Sep | flydubai | ||
| 13 Sep | flydubai |
Also check the deals for return flights from Istanbul to Islamabad in September.
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