AirHint found the following cheapest one-way flights from Hong Kong (HKG) to London (LHR) in March 2026 (see full year).

One-Way flights

19 Mar	Royal Brunei
03 Mar	HK Express
28 Mar	Malaysia Airlines
20 Mar	Malaysia Airlines
26 Mar	HK Express
08 Mar	HK Express
13 Mar	Malaysia Airlines
14 Mar	Finnair
30 Mar	Thai Airways
08 Mar	British Airways	direct

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

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 March from 227€

One-Way flights