Cheapest return flights from Hong Kong to London in September from $621

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

Return flights

11 Sep - 14 Sep Turkish Airlines
02 Sep - 09 Sep Turkish Airlines
30 Sep - 29 Oct Turkish Airlines
16 Sep - 22 Sep Turkish Airlines
23 Sep - 30 Sep Turkish Airlines
25 Sep - 28 Sep Turkish Airlines
29 Sep - 06 Oct Singapore Airlines
18 Sep - 06 Oct Singapore Airlines
27 Sep - 07 Oct Turkish Airlines
28 Sep - 08 Oct Thai Airways
08 Sep - 13 Sep Scoot Tigerair
16 Sep - 23 Sep Singapore Airlines
25 Sep - 05 Oct Singapore Airlines
25 Sep - 06 Oct Singapore Airlines
12 Sep - 27 Sep Air China
17 Sep - 27 Sep Air China
11 Sep - 23 Sep Air China
10 Sep - 05 Oct Singapore Airlines
28 Sep - 05 Oct Singapore Airlines
28 Sep - 07 Oct IndiGo

Also check the deals for one-way flights from Hong Kong to London in September.

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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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