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

Return flights

02 Mar - 10 Mar	Finnair
23 Mar - 02 Apr	Finnair
24 Mar - 02 Apr	Finnair
03 Mar - 18 Mar	Finnair
11 Mar - 18 Mar	Finnair
31 Mar - 10 Apr	Finnair
25 Mar - 08 Apr	Finnair
01 Mar - 11 Mar	Finnair
03 Mar - 20 Mar	Finnair
26 Mar - 07 Apr	Finnair
18 Mar - 25 Mar	Finnair
30 Mar - 10 Apr	Finnair
31 Mar - 07 Apr	Finnair
25 Mar - 05 Apr	Finnair
11 Mar - 21 Mar	Finnair
31 Mar - 11 Apr	Finnair
14 Mar - 26 Mar	Finnair
26 Mar - 06 Apr	Finnair
20 Mar - 27 Mar	Finnair
13 Mar - 20 Mar	Finnair

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

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 March from $633

Return flights