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

Return flights

12 May - 26 May	Finnair
12 May - 23 May	Finnair
06 May - 16 May	Finnair
14 May - 21 May	Finnair
25 May - 07 Jun	Finnair
12 May - 25 May	Finnair
09 May - 17 May	Finnair
17 May - 29 May	Finnair
28 May - 11 Jun	Finnair
24 May - 07 Jun	Finnair
01 May - 14 May	Finnair
03 May - 16 May	Finnair
01 May - 03 May	Finnair
24 May - 06 Jun	Finnair
23 May - 06 Jun	Finnair
22 May - 01 Jun	Finnair

Also check the deals for one-way flights from Hong Kong to Keflavik 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 Keflavik in May from 556€

Return flights