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

Return flights

05 Dec - 12 Dec	Batik Air Malaysia
17 Dec - 27 Dec	China Southern
02 Dec - 14 Dec	China Southern
18 Dec - 03 Jan	British Airways
23 Dec - 03 Jan	British Airways
20 Dec - 03 Jan	British Airways
19 Dec - 03 Jan	British Airways
21 Dec - 28 Dec	British Airways
20 Dec - 27 Dec	Malaysia Airlines

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 798€

Return flights