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

Return flights

01 Dec - 15 Dec	Ryanair
01 Dec - 23 Dec	Ryanair
01 Dec - 29 Dec	China Southern
12 Dec - 27 Dec	Ryanair
13 Dec - 09 Jan	Ryanair
06 Dec - 15 Dec	China Southern
16 Dec - 04 Jan	Ryanair
17 Dec - 05 Jan	Wizz Air UK
19 Dec - 17 Jan	Ryanair
22 Dec - 01 Jan	Jet2
21 Dec - 03 Jan	Wizz Air UK
23 Dec - 06 Jan	easyJet
24 Dec - 03 Jan	Ryanair
19 Dec - 02 Jan	Ryanair
20 Dec - 04 Jan	easyJet
13 Dec - 30 Dec	China Southern

Also check the deals for one-way flights from London to Penang 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 Penang in December from 492€

Return flights