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

Return flights

11 Sep - 18 Sep	China Southern
26 Sep - 10 Oct	Fly Jinnah
12 Sep - 17 Sep	PIA
05 Sep - 22 Sep	PIA
19 Sep - 30 Sep	PIA
29 Sep - 06 Oct	PIA
21 Sep - 24 Sep	Serene Air
14 Sep - 26 Sep	Serene Air
21 Sep - 28 Sep	PIA
14 Sep - 18 Sep	China Southern
21 Sep - 25 Sep	China Southern
05 Sep - 14 Sep	Airblue
21 Sep - 27 Oct	China Southern
24 Sep - 01 Oct	Serene Air
26 Sep - 05 Oct	PIA
28 Sep - 06 Oct	Serene Air
28 Sep - 06 Oct	PIA	direct
27 Sep - 05 Oct	PIA
28 Sep - 02 Oct	PIA	direct
28 Sep - 02 Oct	Serene Air

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 423€

Return flights