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

Return flights

04 Dec - 09 Dec	Etihad Airways
03 Dec - 10 Dec	AirAsia X	direct
02 Dec - 09 Dec	Etihad Airways
01 Dec - 10 Dec	AirAsia X	direct
01 Dec - 08 Dec	AirAsia X	direct
04 Dec - 10 Dec	Etihad Airways
01 Dec - 07 Dec	AirAsia X	direct
07 Dec - 10 Dec	AirAsia X	direct
05 Dec - 10 Dec	Qatar Airways
08 Dec - 14 Dec	AirAsia X	direct
31 Dec - 10 Jan	Qatar Airways
14 Dec - 09 Jan	Qatar Airways
14 Dec - 08 Jan	Qatar Airways
16 Dec - 15 Jan	Emirates
26 Dec - 09 Jan	AirAsia X
27 Dec - 10 Jan	Emirates
26 Dec - 04 Jan	AirAsia X	direct
26 Dec - 05 Jan	AirAsia X	direct
31 Dec - 06 Jan	Qatar Airways
31 Dec - 05 Jan	Qatar Airways

Also check the deals for one-way flights from Kuala Lumpur to Istanbul 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 Kuala Lumpur to Istanbul in December from $403

Return flights