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

One-Way flights

30 Oct	Royal Brunei
16 Oct	Royal Brunei
23 Oct	Royal Brunei
15 Oct	China Eastern
13 Oct	China Eastern
20 Oct	China Eastern
22 Oct	China Eastern
05 Oct	China Southern
29 Oct	China Southern
17 Oct	China Southern

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

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 one-way flights from Hong Kong to London in October from $255

One-Way flights