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

Return flights

20 Dec - 03 Jan	China Southern
26 Dec - 03 Jan	China Southern
27 Dec - 02 Jan	China Southern
13 Dec - 02 Jan	China Southern
19 Dec - 03 Jan	China Southern
20 Dec - 31 Dec	China Southern
23 Dec - 03 Jan	China Southern
24 Dec - 04 Jan	China Southern
20 Dec - 02 Jan	China Southern
25 Dec - 01 Jan	China Southern
26 Dec - 02 Jan	China Southern
03 Dec - 07 Dec	China Southern
17 Dec - 28 Dec	China Southern
01 Dec - 09 Dec	Emirates
01 Dec - 15 Dec	Emirates
01 Dec - 15 Dec	Shenzhen Airlines	direct

Also check the deals for one-way flights from Shenzhen 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 Shenzhen to London in December from $704

Return flights