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

Return flights

20 May - 28 May	Finnair
06 May - 13 May	Finnair
21 May - 31 May	Finnair
03 May - 24 May	Finnair
10 May - 23 May	Finnair
22 May - 28 May	Finnair
05 May - 12 May	Finnair
07 May - 21 May	Finnair
25 May - 08 Jun	Finnair
18 May - 01 Jun	Finnair
11 May - 22 May	Finnair
15 May - 29 May	Finnair
25 May - 05 Jun	Finnair
22 May - 06 Jun	Finnair
04 May - 01 Jun	Finnair
11 May - 01 Jun	Finnair
20 May - 07 Jun	Finnair
26 May - 10 Jun	Lufthansa
23 May - 05 Jun	Finnair
17 May - 07 Jun	Finnair

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

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 May from $566

Return flights