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

Return flights

21 Sep - 30 Sep	Fly Jinnah
21 Sep - 24 Sep	China Southern
19 Sep - 25 Oct	Fly Jinnah
19 Sep - 21 Sep	Fly Jinnah
21 Sep - 25 Sep	China Southern
24 Sep - 29 Sep	Serene Air
14 Sep - 25 Sep	China Southern
25 Sep - 29 Sep	Fly Jinnah
27 Sep - 01 Oct	Fly Jinnah
17 Sep - 20 Sep	Serene Air
17 Sep - 21 Sep	PIA
13 Sep - 26 Sep	Fly Jinnah
30 Sep - 01 Oct	Fly Jinnah
30 Sep - 07 Oct	Etihad Airways
25 Sep - 25 Oct	Etihad Airways
24 Sep - 05 Oct	Emirates
26 Sep - 05 Oct	Emirates
28 Sep - 02 Oct	Emirates
25 Sep - 02 Oct	Emirates
12 Sep - 03 Oct	Fly Jinnah

Also check the deals for one-way flights from Islamabad 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 Islamabad to Kuala Lumpur in September from $528

Return flights