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

Return flights

12 Sep - 22 Sep	Air Astana
11 Sep - 22 Sep	China Eastern
13 Sep - 22 Sep	China Eastern
10 Sep - 20 Sep	Air Astana
08 Sep - 29 Sep	Emirates
03 Sep - 08 Sep	Air Astana
12 Sep - 17 Sep	Air Astana
12 Sep - 19 Sep	Air Astana
25 Sep - 09 Oct	China Eastern
11 Sep - 21 Sep	Emirates
25 Sep - 08 Oct	China Eastern
11 Sep - 18 Sep	Shanghai Airlines
25 Sep - 10 Oct	China Eastern
24 Sep - 08 Oct	AirAsia
30 Sep - 12 Oct	AirAsia
05 Sep - 04 Oct	China Southern
01 Sep - 05 Oct	Air Astana
27 Sep - 06 Oct	AirAsia
23 Sep - 11 Oct	Scoot Tigerair
25 Sep - 09 Oct	China Southern	direct

Also check the deals for one-way flights from Guangzhou 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 Guangzhou to London in September from 617€

Return flights