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

Return flights

14 Sep - 24 Sep	Air China
14 Sep - 29 Sep	Air China
15 Sep - 30 Sep	Air China
17 Sep - 21 Sep	Air China
18 Sep - 25 Sep	Hainan Airlines
18 Sep - 24 Sep	Hainan Airlines
25 Sep - 02 Oct	AirAsia
19 Sep - 26 Sep	Air China
12 Sep - 21 Sep	Air China
17 Sep - 25 Sep	China Eastern
18 Sep - 26 Sep	Air China
24 Sep - 03 Oct	Shenzhen Airlines
29 Sep - 05 Oct	Shenzhen Airlines
26 Sep - 02 Oct	Hainan Airlines
26 Sep - 03 Oct	Shenzhen Airlines
26 Sep - 04 Oct	Shenzhen Airlines
19 Sep - 04 Oct	Shenzhen Airlines
26 Sep - 11 Oct	Shenzhen Airlines
24 Sep - 06 Oct	Shenzhen Airlines
30 Sep - 07 Oct	Cambodia Airways

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 $790

Return flights