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

Return flights

27 Sep - 04 Oct	Turkmenistan Airlines
16 Sep - 25 Sep	Emirates
17 Sep - 23 Sep	Emirates
17 Sep - 30 Sep	Emirates
17 Sep - 13 Oct	Emirates
16 Sep - 24 Sep	Emirates
16 Sep - 13 Oct	Emirates
19 Sep - 27 Sep	Emirates
18 Sep - 13 Oct	Emirates
19 Sep - 13 Oct	Emirates
13 Sep - 20 Sep	Turkmenistan Airlines
06 Sep - 14 Sep	Turkmenistan Airlines
08 Sep - 29 Sep	China Eastern
20 Sep - 29 Sep	China Eastern
14 Sep - 22 Sep	Emirates
24 Sep - 23 Oct	Hainan Airlines
16 Sep - 08 Oct	Emirates
08 Sep - 16 Oct	China Eastern
16 Sep - 12 Oct	Emirates
20 Sep - 04 Oct	Emirates

Also check the deals for one-way flights from Beijing 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 Beijing to London in September from 248€

Return flights