AirHint found the following cheapest one-way flights from Hangzhou (HGH) to London (LHR) in September 2025 (see full year).

One-Way flights

14 Sep	Air China
17 Sep	Air China
15 Sep	Thai Lion Air
20 Sep	China Southern
25 Sep	China Southern
16 Sep	China Southern
18 Sep	Hainan Airlines
11 Sep	Hainan Airlines
12 Sep	Air China
19 Sep	Air China

Also check the deals for return flights from Hangzhou 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 one-way flights from Hangzhou to London in September from $337

One-Way flights