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

Return flights

31 Dec - 22 Jan	AJet
31 Dec - 18 Jan	AJet
31 Dec - 30 Jan	China Eastern
31 Dec - 25 Jan	Pegasus Airlines
30 Dec - 22 Jan	Pegasus Airlines
31 Dec - 28 Jan	AJet
27 Dec - 07 Jan	easyJet
29 Dec - 20 Jan	Wizz Air UK
29 Dec - 25 Jan	Pegasus Airlines
31 Dec - 17 Jan	Pegasus Airlines
26 Dec - 28 Dec	AZAL
28 Dec - 31 Dec	Pegasus Airlines
29 Dec - 31 Dec	Ryanair
26 Dec - 29 Dec	AZAL
28 Dec - 29 Dec	Ryanair
26 Dec - 31 Dec	Vueling Airlines
26 Dec - 30 Dec	AJet
27 Dec - 31 Dec	Air India
26 Dec - 28 Dec	British Airways	direct
26 Dec - 31 Dec	British Airways	direct

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 $709

Return flights