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

Return flights

30 Sep - 07 Oct	Wizz Air Malta
24 Sep - 08 Oct	Wizz Air Malta
22 Sep - 12 Oct	Air China
23 Sep - 12 Oct	Air China
24 Sep - 10 Oct	Air China
25 Sep - 08 Oct	Air China
22 Sep - 26 Oct	Air China
22 Sep - 29 Oct	Air China
30 Sep - 15 Oct	Wizz Air Malta
29 Sep - 05 Oct	Air China
20 Sep - 25 Sep	Ryanair
22 Sep - 29 Sep	China Eastern
23 Sep - 28 Sep	China Eastern
21 Sep - 23 Sep	Ryanair
22 Sep - 28 Sep	China Eastern
20 Sep - 27 Sep	Ryanair
20 Sep - 30 Sep	Ryanair
25 Sep - 30 Sep	Ryanair
21 Sep - 29 Sep	China Eastern
22 Sep - 30 Sep	Ryanair

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 486€

Return flights