AirHint found the following cheapest return flights from Karachi (KHI) to Istanbul (SAW) in September 2025 (see full year).

Return flights

28 Sep - 05 Oct	Pegasus Airlines
22 Sep - 29 Sep	SalamAir
30 Sep - 07 Oct	Pegasus Airlines
30 Sep - 11 Oct	SalamAir
27 Sep - 08 Oct	Pegasus Airlines
29 Sep - 07 Oct	Pegasus Airlines
30 Sep - 14 Oct	Jazeera Airways
24 Sep - 30 Sep	Flynas
26 Sep - 30 Sep	Flynas
24 Sep - 14 Oct	Flynas
23 Sep - 10 Oct	Jazeera Airways
25 Sep - 01 Oct	Air Arabia
17 Sep - 24 Sep	Air Arabia
27 Sep - 04 Oct	Pegasus Airlines
18 Sep - 25 Sep	Air Arabia
20 Sep - 27 Sep	Air Arabia
23 Sep - 30 Sep	Jazeera Airways
21 Sep - 28 Sep	Air Arabia
19 Sep - 26 Sep	Air Arabia
21 Sep - 26 Sep	Flynas

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

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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Cheapest return flights from Karachi to Istanbul in September from $312

Return flights