AirHint found the following cheapest return flights from Keflavik (KEF) to Seoul (ICN) in March 2026 (see full year).
Return flights
| 04 Mar - 15 Mar | easyJet | ||
| 12 Mar - 21 Mar | easyJet | ||
| 04 Mar - 13 Mar | KLM | ||
| 04 Mar - 12 Mar | KLM | ||
| 20 Mar - 28 Mar | easyJet | ||
| 09 Mar - 16 Mar | Finnair | ||
| 03 Mar - 10 Mar | Finnair | ||
| 14 Mar - 21 Mar | Finnair |
Also check the deals for one-way flights from Keflavik to Seoul in March.
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