Cheapest return ISB–IST flights, September

AirHint found the following cheapest return flights from Islamabad (ISB) to Istanbul (IST) in September 2026 (see full year).

Return flights

07 Sep - 14 Sep Gulf Air
24 Sep - 05 Oct Gulf Air
15 Sep - 25 Sep Gulf Air
01 Sep - 04 Sep Gulf Air
09 Sep - 17 Sep Fly Jinnah
07 Sep - 07 Sep Fly Jinnah
11 Sep - 18 Sep Gulf Air
06 Sep - 04 Oct AZAL
10 Sep - 29 Sep Fly Jinnah
11 Sep - 18 Sep Turkish Airlines direct
10 Sep - 29 Sep Turkish Airlines direct
01 Sep - 04 Sep Turkish Airlines direct

Also check the deals for one-way flights from Islamabad to Istanbul in September.

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