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

Return flights

10 Dec - 18 Dec	PIA	direct
07 Dec - 29 Dec	PIA	direct
05 Dec - 12 Dec	Thai Airways
12 Dec - 19 Dec	Thai Airways
08 Dec - 30 Dec	Etihad Airways
15 Dec - 03 Jan	Thai Airways
01 Dec - 05 Dec	Etihad Airways
03 Dec - 10 Dec	Thai Airways
17 Dec - 31 Dec	Thai Airways
17 Dec - 03 Jan	Thai Airways
17 Dec - 24 Dec	Thai Airways
17 Dec - 01 Jan	Thai Airways
27 Dec - 03 Jan	Thai Airways
24 Dec - 31 Dec	Fly Jinnah
31 Dec - 05 Jan	PIA	direct
27 Dec - 04 Jan	Fly Jinnah
23 Dec - 03 Jan	Fly Jinnah
17 Dec - 01 Jan	PIA	direct
19 Dec - 02 Jan	Thai Airways
31 Dec - 07 Jan	Thai Airways

Also check the deals for one-way flights from Islamabad to Kuala Lumpur in December.

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 December from 531€

Return flights