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

Return flights

04 Dec - 12 Dec	China Southern
04 Dec - 08 Dec	China Southern
04 Dec - 15 Dec	China Southern
02 Dec - 12 Dec	China Southern
02 Dec - 15 Dec	China Southern
06 Dec - 15 Dec	China Southern
04 Dec - 28 Dec	Etihad Airways
03 Dec - 29 Dec	Etihad Airways
07 Dec - 17 Dec	Etihad Airways
09 Dec - 17 Dec	Etihad Airways
11 Dec - 09 Jan	Etihad Airways
16 Dec - 15 Jan	China Southern
14 Dec - 15 Jan	Etihad Airways
15 Dec - 14 Jan	Etihad Airways
30 Dec - 16 Jan	China Southern
16 Dec - 10 Jan	China Southern
15 Dec - 16 Jan	Etihad Airways
12 Dec - 08 Jan	Sichuan Airlines
31 Dec - 15 Jan	Iberia
30 Dec - 20 Jan	Iberia

Also check the deals for one-way flights from Madrid 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 Madrid to Kuala Lumpur in December from $507

Return flights