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

Return flights

18 Aug - 31 Aug	Finnair
30 Aug - 21 Sep	Finnair
25 Aug - 04 Sep	Finnair
10 Aug - 23 Aug	Finnair
22 Aug - 30 Aug	Finnair
01 Aug - 26 Aug	Finnair
21 Aug - 30 Aug	Finnair
14 Aug - 29 Aug	Finnair
08 Aug - 21 Aug	Finnair
08 Aug - 20 Aug	Finnair
03 Aug - 15 Aug	Finnair
01 Aug - 08 Aug	Finnair

Also check the deals for one-way flights from Hong Kong to Keflavik in August.

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 August from 710€

Return flights