Cheapest return flights from Seoul to Keflavik in December from $735

AirHint found the following cheapest return flights from Seoul (ICN) to Keflavik (KEF) in December 2026 (see full year).

Return flights

04 Dec - 10 Dec Scandinavian Airlines
23 Dec - 03 Jan LOT
01 Dec - 09 Dec Scandinavian Airlines
10 Dec - 14 Dec Scandinavian Airlines
04 Dec - 11 Dec Scandinavian Airlines
21 Dec - 27 Dec LOT
05 Dec - 11 Dec Scandinavian Airlines
12 Dec - 19 Dec Finnair
14 Dec - 24 Dec Finnair
05 Dec - 19 Dec Finnair
15 Dec - 22 Dec Finnair
28 Dec - 04 Jan Finnair
30 Dec - 05 Jan Finnair
23 Dec - 02 Jan Finnair
29 Dec - 08 Jan Finnair
22 Dec - 02 Jan Finnair
26 Dec - 08 Jan Finnair
25 Dec - 02 Jan Emirates
29 Dec - 06 Jan Scandinavian Airlines

Also check the deals for one-way flights from Seoul to Keflavik in December.

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