AirHint found the following cheapest return flights from London (LCY) to Beijing (PEK) in September 2026 (see full year).

Return flights

28 Sep - 13 Oct	KLM
01 Sep - 07 Sep	KLM
26 Sep - 11 Oct	KLM
08 Sep - 22 Sep	KLM
21 Sep - 11 Oct	KLM
01 Sep - 15 Sep	KLM
01 Sep - 22 Sep	KLM
01 Sep - 11 Sep	KLM
02 Sep - 11 Sep	KLM
03 Sep - 11 Sep	KLM
10 Sep - 01 Oct	KLM
05 Sep - 11 Sep	KLM
15 Sep - 22 Sep	KLM
09 Sep - 20 Sep	KLM
19 Sep - 05 Oct	KLM
26 Sep - 02 Oct	KLM
20 Sep - 04 Oct	ITA Airways
25 Sep - 04 Oct	KLM
20 Sep - 02 Oct	ITA Airways
22 Sep - 03 Oct	Aer Lingus

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 $867

Return flights