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

Return flights

02 Dec - 24 Dec	China Southern
01 Dec - 08 Dec	China Southern
02 Dec - 09 Dec	China Southern
01 Dec - 22 Dec	China Southern
01 Dec - 09 Dec	China Southern
01 Dec - 07 Dec	China Southern
01 Dec - 10 Dec	China Southern
02 Dec - 07 Dec	China Southern
03 Dec - 10 Dec	China Southern
01 Dec - 12 Dec	Shenzhen Airlines
30 Dec - 14 Jan	Air China
24 Dec - 31 Jan	China Southern
06 Dec - 17 Jan	Etihad Airways
28 Dec - 18 Jan	China Southern
04 Dec - 11 Jan	Air China
31 Dec - 20 Jan	Etihad Airways
07 Dec - 18 Jan	Etihad Airways
04 Dec - 01 Jan	Air China
26 Dec - 19 Jan	Air China
30 Dec - 20 Jan	Etihad Airways

Also check the deals for one-way flights from London 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 London to Kuala Lumpur in December from 458€

Return flights