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

Return flights

23 Apr - 06 May	Hainan Airlines
23 Apr - 12 May	Hainan Airlines
16 Apr - 18 Apr	Hainan Airlines
23 Apr - 13 May	Hainan Airlines
23 Apr - 27 May	Hainan Airlines
16 Apr - 01 May	Hainan Airlines
19 Apr - 28 May	Hainan Airlines
23 Apr - 28 May	Hainan Airlines
02 Apr - 12 Apr	Air China
06 Apr - 20 Apr	Air China
03 Apr - 19 Apr	Air China
06 Apr - 26 Apr	Air China
07 Apr - 20 Apr	Air China
02 Apr - 11 Apr	Air China
15 Apr - 13 May	HK Express
26 Apr - 03 May	Hainan Airlines
09 Apr - 16 Apr	Hainan Airlines
01 Apr - 11 Apr	Air China
08 Apr - 19 Apr	Hainan Airlines
02 Apr - 06 May	IndiGo

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 492€

Return flights