Cheapest return flights from Seoul to Keflavik in December from $616

AirHint found the following cheapest return flights from Seoul (ICN) to Keflavik (KEF) in December 2025 (see full year).

Return flights

01 Dec - 07 Dec LOT
06 Dec - 14 Dec LOT
01 Dec - 09 Dec Scandinavian Airlines
08 Dec - 14 Dec Scandinavian Airlines
05 Dec - 14 Dec Scandinavian Airlines
17 Dec - 28 Dec LOT
24 Dec - 04 Jan LOT
26 Dec - 01 Jan Scandinavian Airlines
26 Dec - 28 Dec Scandinavian Airlines
10 Dec - 17 Dec Scandinavian Airlines
05 Dec - 07 Dec Scandinavian Airlines
22 Dec - 28 Dec LOT
26 Dec - 04 Jan Scandinavian Airlines
17 Dec - 06 Jan Scandinavian Airlines
26 Dec - 05 Jan Scandinavian Airlines
31 Dec - 06 Jan Scandinavian Airlines
24 Dec - 03 Jan Finnair
28 Dec - 03 Jan Finnair
25 Dec - 04 Jan Finnair
22 Dec - 02 Jan Finnair

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

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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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