Cheapest return flights from Hong Kong to Keflavik in September from $748

Best time to book flights for Hong Kong (HKG) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Hong Kong (HKG) to Keflavik (KEF) in September 2025 (see full year).

Return flights

15 Sep - 24 Sep Finnair
22 Sep - 01 Oct Finnair
15 Sep - 29 Sep Finnair
08 Sep - 12 Sep Finnair
19 Sep - 01 Oct Finnair
14 Sep - 22 Sep Finnair
03 Sep - 13 Sep Finnair
09 Sep - 17 Sep Finnair
14 Sep - 23 Sep Finnair
11 Sep - 26 Sep Finnair
06 Sep - 13 Sep Finnair
01 Sep - 13 Sep Finnair
22 Sep - 20 Oct Finnair
24 Sep - 05 Oct Finnair
29 Sep - 14 Oct Finnair
28 Sep - 05 Oct Finnair
30 Sep - 14 Oct Finnair
26 Sep - 12 Oct Finnair
25 Sep - 08 Oct Finnair
21 Sep - 03 Oct Finnair

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

Skyscanner

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik