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

One-Way flights

01 Dec	Malaysia Airlines
02 Dec	AirAsia
10 Dec	China Southern
06 Dec	AirAsia
07 Dec	Hainan Airlines
25 Dec	Hainan Airlines
21 Dec	Hainan Airlines
18 Dec	Hainan Airlines
28 Dec	Hainan Airlines
29 Dec	Turkish Airlines

Also check the deals for return 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 one-way flights from Kuala Lumpur to London in December from $249

One-Way flights