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

Return flights

29 Dec - 27 Jan	Hainan Airlines
29 Dec - 22 Jan	Hainan Airlines
29 Dec - 13 Jan	Hainan Airlines
29 Dec - 15 Jan	Hainan Airlines
31 Dec - 21 Jan	AJet
31 Dec - 23 Jan	AJet
31 Dec - 16 Jan	AJet
29 Dec - 31 Jan	Hainan Airlines
28 Dec - 21 Jan	Shenzhen Airlines
28 Dec - 18 Jan	Shenzhen Airlines
24 Dec - 28 Dec	easyJet
24 Dec - 27 Dec	easyJet
24 Dec - 29 Dec	easyJet
27 Dec - 29 Dec	China Southern
24 Dec - 30 Dec	easyJet
26 Dec - 30 Dec	Scandinavian Airlines
26 Dec - 31 Dec	Wizz Air Malta
23 Dec - 25 Dec	Scandinavian Airlines
27 Dec - 28 Dec	China Eastern
25 Dec - 30 Dec	Vietnam Airlines

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 506€

Return flights