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

Return flights

31 Aug - 29 Sep	Shenzhen Airlines	direct
29 Aug - 03 Sep	Hainan Airlines
31 Aug - 10 Sep	China Southern
20 Aug - 26 Aug	Air China
27 Aug - 18 Sep	Air China
29 Aug - 18 Sep	Air China
27 Aug - 21 Sep	KLM
28 Aug - 15 Sep	Emirates
31 Aug - 17 Sep	Emirates
29 Aug - 17 Sep	Hainan Airlines
22 Aug - 27 Aug	China Southern
05 Aug - 12 Aug	Emirates
30 Aug - 17 Sep	Emirates
11 Aug - 14 Aug	Hainan Airlines
21 Aug - 26 Aug	China Eastern
15 Aug - 20 Aug	Hainan Airlines
08 Aug - 27 Aug	Hainan Airlines
18 Aug - 25 Aug	Iberia
25 Aug - 27 Aug	China Eastern
15 Aug - 27 Aug	Hainan Airlines

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

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 Shenzhen in August from $685

Return flights