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

Return flights

24 Dec - 08 Jan	Malaysia Airlines
13 Dec - 29 Dec	AirAsia
20 Dec - 03 Jan	AirAsia
19 Dec - 03 Jan	AirAsia
27 Dec - 01 Jan	Cathay Pacific
17 Dec - 27 Dec	HK Express
25 Dec - 02 Jan	Qatar Airways
24 Dec - 02 Jan	Qatar Airways
23 Dec - 07 Jan	Malaysia Airlines
28 Dec - 02 Jan	Qatar Airways
13 Dec - 30 Dec	Etihad Airways
15 Dec - 22 Dec	Qatar Airways
10 Dec - 18 Dec	Malaysia Airlines
27 Dec - 02 Jan	British Airways
19 Dec - 02 Jan	Qatar Airways
19 Dec - 24 Dec	Malaysia Airlines
20 Dec - 27 Dec	Malaysia Airlines
19 Dec - 27 Dec	Malaysia Airlines
02 Dec - 14 Dec	China Southern
20 Dec - 31 Dec	Emirates

Also check the deals for one-way flights from Penang 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 return flights from Penang to London in December from $768

Return flights