AirHint found the following cheapest return flights from London (LCY) to Shanghai (PVG) in September 2025 (see full year).

Return flights

16 Sep - 15 Oct	KLM
16 Sep - 14 Oct	KLM
30 Sep - 14 Oct	KLM
29 Sep - 08 Oct	KLM
22 Sep - 17 Oct	KLM
19 Sep - 17 Oct	KLM
21 Sep - 17 Oct	KLM
28 Sep - 10 Oct	KLM
22 Sep - 06 Oct	KLM
18 Sep - 12 Oct	KLM
01 Sep - 07 Sep	KLM
03 Sep - 10 Sep	KLM
06 Sep - 15 Sep	KLM
01 Sep - 15 Sep	KLM
18 Sep - 23 Sep	KLM
07 Sep - 21 Sep	KLM
11 Sep - 23 Sep	KLM
08 Sep - 16 Sep	KLM
01 Sep - 14 Sep	KLM
07 Sep - 14 Sep	KLM

Also check the deals for one-way flights from London to Shanghai 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 Shanghai in September from $618

Return flights