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

Return flights

02 Dec - 14 Dec	Air China
06 Dec - 20 Dec	Air China
01 Dec - 18 Dec	Shenzhen Airlines
05 Dec - 13 Dec	Lufthansa
03 Dec - 13 Jan	Shenzhen Airlines
26 Dec - 17 Jan	Shenzhen Airlines
04 Dec - 15 Jan	Air China
03 Dec - 07 Dec	KLM
24 Dec - 31 Dec	Shenzhen Airlines
29 Dec - 05 Jan	Shenzhen Airlines
08 Dec - 15 Dec	Turkish Airlines
27 Dec - 24 Jan	Air China
24 Dec - 14 Jan	Air China
24 Dec - 20 Jan	Air China
25 Dec - 01 Jan	Air China
05 Dec - 11 Dec	Lufthansa
28 Dec - 18 Jan	Air China
22 Dec - 28 Dec	Air France
15 Dec - 13 Jan	Air France
12 Dec - 19 Dec	Lufthansa

Also check the deals for one-way flights from London to Beijing 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 Beijing in December from $723

Return flights