AirHint found the following cheapest return flights from Hong Kong (HKG) to London (LTN) in September 2026 (see full year).

Return flights

14 Sep - 30 Sep	Hong Kong Airlines
10 Sep - 28 Sep	Hong Kong Airlines
07 Sep - 28 Sep	Hong Kong Airlines
11 Sep - 27 Sep	Vietnam Airlines
07 Sep - 14 Sep	Hong Kong Airlines
03 Sep - 20 Sep	Hong Kong Airlines
13 Sep - 20 Sep	Etihad Airways
01 Sep - 24 Sep	Air China
04 Sep - 19 Sep	Hong Kong Airlines
06 Sep - 20 Sep	Scoot
04 Sep - 08 Oct	Hong Kong Airlines
26 Sep - 03 Oct	Cathay Pacific
24 Sep - 03 Oct	Cathay Pacific
19 Sep - 02 Oct	SWISS
25 Sep - 03 Oct	Turkish Airlines
18 Sep - 03 Oct	Cathay Pacific

Also check the deals for one-way flights from Hong Kong to London 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 Hong Kong to London in September from 650€

Return flights