AirHint found the following cheapest return flights from Istanbul (IST) to Kuala Lumpur (KUL) in September 2025 (see full year).

Return flights

26 Sep - 05 Oct	Oman Air
01 Sep - 08 Sep	Oman Air
02 Sep - 16 Sep	Oman Air
14 Sep - 03 Oct	Oman Air
15 Sep - 03 Oct	Oman Air
28 Sep - 07 Oct	Oman Air
28 Sep - 10 Oct	Oman Air
04 Sep - 29 Sep	Oman Air
03 Sep - 07 Sep	Oman Air
10 Sep - 21 Sep	Oman Air
07 Sep - 18 Sep	Oman Air
02 Sep - 07 Sep	Oman Air
07 Sep - 16 Sep	Oman Air
02 Sep - 30 Sep	Oman Air
13 Sep - 24 Sep	Oman Air
28 Sep - 27 Oct	Oman Air
28 Sep - 13 Oct	Oman Air
28 Sep - 05 Oct	Oman Air
29 Sep - 06 Oct	Oman Air
27 Sep - 21 Oct	Oman Air

Also check the deals for one-way flights from Istanbul to Kuala Lumpur 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 Istanbul to Kuala Lumpur in September from $381

Return flights