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

Return flights

20 Apr - 02 May	Finnair
23 Apr - 03 May	Finnair
15 Apr - 21 Apr	Finnair
16 Apr - 25 Apr	Finnair
16 Apr - 26 Apr	Finnair
08 Apr - 16 Apr	Finnair
29 Apr - 09 May	Finnair
29 Apr - 10 May	Finnair
24 Apr - 03 May	Finnair
25 Apr - 31 May	Finnair
26 Apr - 10 May	Finnair
26 Apr - 09 May	Finnair
29 Apr - 13 May	Finnair
23 Apr - 11 May	Finnair
02 Apr - 22 Apr	Royal Brunei
07 Apr - 15 Apr	Finnair
08 Apr - 15 Apr	Finnair
20 Apr - 30 Apr	Finnair
09 Apr - 25 Apr	Finnair
15 Apr - 25 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.

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Cheapest return flights from Hong Kong to London in April from $588

Return flights