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

Return flights

08 Mar - 15 Mar	Hainan Airlines
10 Mar - 17 Mar	Hainan Airlines
03 Mar - 10 Mar	China Southern
02 Mar - 09 Mar	China Southern
04 Mar - 11 Mar	China Eastern
01 Mar - 08 Mar	China Eastern
06 Mar - 14 Mar	China Southern
12 Mar - 14 Mar	China Southern
09 Mar - 16 Mar	China Southern
04 Mar - 14 Mar	Air China
18 Mar - 16 Apr	Air China
20 Mar - 16 Apr	Air China
20 Mar - 23 Apr	Air China
10 Mar - 15 Apr	China Southern
19 Mar - 26 Apr	Air France
15 Mar - 26 Apr	Hainan Airlines
20 Mar - 06 Apr	Air China
20 Mar - 19 Apr	Air China
20 Mar - 05 Apr	Air China
19 Mar - 23 Apr	Air China

Also check the deals for one-way 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 return flights from Hong Kong to London in March from $516

Return flights