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

Return flights

12 Mar - 18 Mar	Finnair
05 Mar - 18 Mar	Finnair
05 Mar - 09 Mar	Finnair
05 Mar - 11 Mar	Finnair
03 Mar - 10 Mar	Finnair
03 Mar - 09 Mar	Finnair
19 Mar - 24 Mar	Finnair
09 Mar - 16 Mar	Finnair
09 Mar - 17 Mar	KLM
16 Mar - 31 Mar	KLM
23 Mar - 23 Apr	KLM
23 Mar - 05 Apr	KLM
24 Mar - 23 Apr	Air France
24 Mar - 20 Apr	Air France
10 Mar - 10 Apr	Finnair
24 Mar - 16 Apr	Finnair
25 Mar - 28 Apr	Air France
25 Mar - 06 Apr	Air France
01 Mar - 30 Apr	SWISS
20 Mar - 09 Apr	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