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

Return flights

30 Apr - 10 May	Finnair
07 Apr - 05 May	Finnair
23 Apr - 09 May	Finnair
25 Apr - 09 May	Finnair
25 Apr - 02 May	Finnair
26 Apr - 10 May	Finnair
25 Apr - 04 May	Finnair
25 Apr - 05 May	Finnair
07 Apr - 02 May	Finnair
09 Apr - 17 Apr	Royal Brunei
15 Apr - 26 Apr	Finnair
09 Apr - 16 Apr	Finnair
25 Apr - 10 May	Finnair
15 Apr - 28 Apr	Finnair
06 Apr - 13 Apr	Finnair
19 Apr - 26 Apr	Finnair
10 Apr - 20 Apr	Finnair
01 Apr - 12 Apr	Finnair
01 Apr - 07 Apr	Finnair
01 Apr - 14 Apr	Finnair

Also check the deals for one-way flights from Hong Kong to London in April.

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Hong Kong to London in April from $621

Return flights