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

Return flights

03 Dec - 13 Dec	Vueling Airlines
03 Dec - 12 Dec	China Eastern
25 Dec - 15 Jan	Air China
05 Dec - 15 Jan	Air China
01 Dec - 28 Dec	Air China
05 Dec - 25 Dec	Air China
01 Dec - 25 Dec	Air China
05 Dec - 12 Dec	Air China
01 Dec - 08 Dec	Air China
01 Dec - 09 Dec	Air China
29 Dec - 18 Jan	Air China
26 Dec - 13 Jan	Air China
05 Dec - 30 Dec	Air China
04 Dec - 30 Dec	Air China
27 Dec - 27 Jan	Turkish Airlines
28 Dec - 15 Jan	Turkish Airlines
09 Dec - 21 Jan	Turkish Airlines
27 Dec - 18 Jan	Turkish Airlines
21 Dec - 30 Jan	Vueling Airlines
22 Dec - 12 Jan	Wizz Air UK

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 484€

Return flights