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

Return flights

07 Dec - 16 Dec	KLM
01 Dec - 11 Dec	Etihad Airways
04 Dec - 11 Dec	Etihad Airways
01 Dec - 15 Dec	Etihad Airways
01 Dec - 31 Jan	Etihad Airways
07 Dec - 15 Dec	Etihad Airways
07 Dec - 14 Dec	Etihad Airways
01 Dec - 18 Dec	KLM
03 Dec - 13 Dec	Etihad Airways
01 Dec - 07 Dec	Etihad Airways
01 Dec - 06 Dec	Etihad Airways
29 Dec - 20 Jan	Etihad Airways
21 Dec - 04 Jan	Aegean Airlines
17 Dec - 01 Jan	Sichuan Airlines
27 Dec - 10 Jan	Saudia
25 Dec - 13 Jan	Etihad Airways
26 Dec - 10 Jan	Beijing Capital Airlines
30 Dec - 10 Jan	Etihad Airways
04 Dec - 04 Jan	Etihad Airways
18 Dec - 05 Jan	SKY express

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 554€

Return flights