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

Return flights

11 Dec - 17 Dec	China Southern
11 Dec - 19 Dec	China Southern
04 Dec - 10 Dec	China Southern
16 Dec - 24 Dec	China Southern
11 Dec - 24 Dec	China Southern
07 Dec - 12 Dec	China Southern
11 Dec - 22 Dec	China Southern
02 Dec - 10 Dec	China Southern
14 Dec - 17 Dec	China Southern
04 Dec - 12 Dec	China Southern
26 Dec - 10 Jan	Oman Air
31 Dec - 14 Jan	Etihad Airways
25 Dec - 11 Jan	Etihad Airways
25 Dec - 13 Jan	Emirates
24 Dec - 16 Jan	Emirates
27 Dec - 09 Jan	Singapore Airlines
15 Dec - 07 Jan	Etihad Airways
25 Dec - 07 Jan	Etihad Airways
26 Dec - 07 Jan	Etihad Airways
31 Dec - 07 Jan	Etihad 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 $442

Return flights