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

Return flights

01 Dec - 14 Dec	Ryanair
02 Dec - 13 Jan	Pegasus Airlines
05 Dec - 13 Dec	Ryanair
01 Dec - 08 Dec	Ryanair
29 Dec - 18 Jan	Ryanair
01 Dec - 09 Dec	Pegasus Airlines
31 Dec - 18 Jan	Ryanair
01 Dec - 10 Dec	Pegasus Airlines
07 Dec - 30 Jan	Pegasus Airlines
02 Dec - 14 Jan	Ryanair
03 Dec - 14 Dec	Ryanair
02 Dec - 14 Dec	Ryanair
01 Dec - 13 Dec	Ryanair
10 Dec - 15 Dec	Pegasus Airlines
29 Dec - 17 Jan	Ryanair
05 Dec - 12 Dec	Ryanair
31 Dec - 14 Jan	Ryanair
09 Dec - 17 Jan	Pegasus Airlines
31 Dec - 16 Jan	Ryanair
31 Dec - 11 Jan	Ryanair

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 536€

Return flights