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

Return flights

16 Dec - 11 Jan	AirAsia
05 Dec - 07 Dec	AirAsia X
13 Dec - 10 Jan	AirAsia
23 Dec - 11 Jan	AirAsia
15 Dec - 07 Jan	AirAsia
23 Dec - 14 Jan	AirAsia
10 Dec - 08 Jan	AirAsia X
23 Dec - 10 Jan	AirAsia
22 Dec - 09 Jan	AirAsia
12 Dec - 30 Dec	AirAsia X
03 Dec - 11 Dec	AirAsia X
03 Dec - 06 Dec	AirAsia X
20 Dec - 11 Jan	Air India
03 Dec - 10 Dec	Etihad Airways
13 Dec - 31 Dec	AirAsia
08 Dec - 28 Dec	AirAsia
10 Dec - 03 Jan	AirAsia X
10 Dec - 28 Dec	AirAsia X
02 Dec - 09 Dec	Emirates
01 Dec - 04 Dec	Emirates

Also check the deals for one-way flights from Kuala Lumpur to London 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 London in December from $570

Return flights