AirHint found the following cheapest one-way flights from Keflavik (KEF) to Seoul (ICN) in December 2025 (see full year).
One-Way flights
| 21 Dec | easyJet | ||
| 04 Dec | Wizz Air | ||
| 07 Dec | LOT | ||
| 27 Dec | Finnair | ||
| 16 Dec | Finnair | ||
| 22 Dec | Finnair | ||
| 19 Dec | Icelandair |
Also check the deals for return flights from Keflavik to Seoul 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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