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

Return flights

03 Dec - 08 Dec	Emirates
02 Dec - 07 Dec	Emirates
22 Dec - 07 Jan	Thai AirAsia
23 Dec - 13 Jan	Cathay Pacific
16 Dec - 21 Dec	AirAsia
17 Dec - 27 Dec	AirAsia
18 Dec - 29 Dec	Qatar Airways
22 Dec - 28 Dec	Qatar Airways
19 Dec - 26 Dec	Qatar Airways
18 Dec - 20 Dec	Qatar Airways
16 Dec - 19 Dec	Malaysia Airlines
02 Dec - 14 Dec	China Southern
20 Dec - 02 Jan	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 688€

Return flights