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

Return flights

01 Dec - 15 Dec	Hainan Airlines
01 Dec - 08 Dec	Hainan Airlines
03 Dec - 13 Dec	Tianjin Airlines
03 Dec - 09 Dec	Tianjin Airlines
03 Dec - 11 Dec	Tianjin Airlines
26 Dec - 21 Jan	Tianjin Airlines
04 Dec - 10 Dec	Turkish Airlines
05 Dec - 11 Dec	Turkish Airlines
05 Dec - 13 Dec	Turkish Airlines
04 Dec - 14 Dec	Lufthansa
03 Dec - 07 Dec	KLM
31 Dec - 11 Jan	Lufthansa
25 Dec - 17 Jan	Air China
30 Dec - 11 Jan	Lufthansa
31 Dec - 16 Jan	Lufthansa
25 Dec - 18 Jan	Air China
30 Dec - 10 Jan	Lufthansa
24 Dec - 17 Jan	Air China
24 Dec - 18 Jan	Air China
30 Dec - 09 Jan	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 $582

Return flights