AirHint found the following cheapest return flights from Seoul (ICN) to Keflavik (KEF) in April 2026 (see full year).
Return flights
| 12 Apr - 19 Apr | Lufthansa | ||
| 02 Apr - 08 Apr | Finnair | ||
| 03 Apr - 06 Apr | Lufthansa | ||
| 03 Apr - 13 Apr | Lufthansa | ||
| 23 Apr - 25 Apr | Lufthansa | ||
| 26 Apr - 09 May | Scandinavian Airlines | ||
| 01 Apr - 15 Apr | Qatar Airways |
Also check the deals for one-way flights from Seoul to Keflavik in April.
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