AirHint found the following cheapest return flights from London (LON) to Changcha (CSX) in September 2025 (see full year).

Return flights

26 Sep - 29 Oct	China Southern
26 Sep - 24 Oct	China Southern
26 Sep - 31 Oct	China Southern
19 Sep - 10 Oct	China Southern
05 Sep - 12 Sep	Hainan Airlines	direct
26 Sep - 24 Oct	Hainan Airlines	direct
01 Sep - 14 Sep	China Southern
05 Sep - 14 Sep	China Southern
18 Sep - 25 Sep	China Southern
08 Sep - 22 Sep	China Southern
08 Sep - 22 Sep	Hainan Airlines	direct
12 Sep - 26 Sep	Hainan Airlines	direct
05 Sep - 26 Sep	Hainan Airlines	direct

Also check the deals for one-way flights from London to Changcha 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 London to Changcha in September from $599

Return flights