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

Return flights

20 May - 31 May	China Eastern
11 May - 21 May	Finnair
11 May - 18 May	Finnair
28 May - 09 Jun	Finnair
14 May - 28 May	Finnair
28 May - 08 Jun	Finnair
13 May - 31 May	Finnair
04 May - 18 May	Finnair
16 May - 28 May	China Eastern
12 May - 31 May	China Eastern
22 May - 31 May	China Eastern
14 May - 20 May	Finnair
29 May - 08 Jun	Finnair
25 May - 01 Jun	Finnair
24 May - 03 Jun	China Eastern
25 May - 06 Jun	Finnair
22 May - 05 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 $729

Return flights