Cheapest one-way flights from Hong Kong to London in September from $261

AirHint found the following cheapest one-way flights from Hong Kong (HKG) to London (LHR) in September 2025 (see full year).

One-Way flights

18 Sep Hong Kong Airlines
04 Sep Hong Kong Airlines
11 Sep Hong Kong Airlines
07 Sep Hong Kong Airlines
25 Sep Hong Kong Airlines
15 Sep HK Express
23 Sep HK Express
14 Sep HK Express
20 Sep HK Express
13 Sep Thai AirAsia

Also check the deals for return flights from Hong Kong to London in September.

Skyscanner

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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