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

Return flights

09 Sep - 11 Sep	China Eastern
15 Sep - 30 Sep	Hainan Airlines
08 Sep - 15 Sep	Hainan Airlines
14 Sep - 29 Sep	Hainan Airlines
14 Sep - 24 Sep	Hainan Airlines
09 Sep - 16 Sep	Hainan Airlines
17 Sep - 20 Sep	Air China
26 Sep - 02 Oct	Thai Lion Air
12 Sep - 21 Sep	Thai Lion Air
26 Sep - 04 Oct	Shenzhen Airlines
17 Sep - 21 Sep	Air China
10 Sep - 12 Sep	China Eastern
26 Sep - 03 Oct	Shenzhen Airlines
19 Sep - 04 Oct	Shenzhen Airlines
27 Sep - 11 Oct	Shenzhen Airlines
27 Sep - 10 Oct	Shenzhen Airlines
29 Sep - 05 Oct	AirAsia
25 Sep - 02 Oct	Emirates
24 Sep - 06 Oct	Air China
28 Sep - 11 Oct	Emirates

Also check the deals for one-way flights from Shenzhen to London in September.

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 September from $803

Return flights