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

Return flights

25 Sep - 18 Oct	China Eastern
22 Sep - 25 Oct	Air China	direct
27 Sep - 12 Oct	Air China	direct
26 Sep - 12 Oct	Air China	direct
25 Sep - 11 Oct	Air China
26 Sep - 11 Oct	Air China
26 Sep - 10 Oct	Air China
27 Sep - 10 Oct	Air China
25 Sep - 10 Oct	Air China
26 Sep - 17 Oct	Air China
11 Sep - 21 Sep	easyJet
19 Sep - 27 Sep	Wizz Air Malta
10 Sep - 24 Sep	China Eastern
08 Sep - 14 Sep	easyJet
04 Sep - 10 Sep	China Eastern
03 Sep - 10 Sep	easyJet
01 Sep - 17 Sep	Emirates
08 Sep - 18 Sep	Emirates
03 Sep - 18 Sep	Emirates
04 Sep - 18 Sep	Emirates

Also check the deals for one-way flights from London to Beijing 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 Beijing in September from $633

Return flights