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

Return flights

15 Mar - 23 Mar	Finnair
03 Mar - 16 Mar	Finnair
03 Mar - 10 Mar	Finnair
17 Mar - 24 Mar	Finnair
02 Mar - 09 Mar	Finnair
03 Mar - 17 Mar	Finnair
25 Mar - 09 Apr	Finnair
15 Mar - 10 Apr	Finnair
25 Mar - 10 Apr	Finnair
25 Mar - 31 Mar	Finnair
11 Mar - 21 Mar	Finnair
08 Mar - 15 Mar	Finnair
16 Mar - 11 Apr	Finnair
15 Mar - 11 Apr	Finnair
12 Mar - 11 Apr	Finnair
05 Mar - 11 Apr	Finnair
25 Mar - 07 Apr	Finnair
23 Mar - 03 Apr	Finnair
23 Mar - 21 Apr	Finnair
19 Mar - 29 Mar	Finnair

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 $549

Return flights