AirHint found the following cheapest return flights from Cork (ORK) to Seoul (ICN) in December 2025 (see full year).
Return flights
| 02 Dec - 09 Dec | Ryanair | ||
| 05 Dec - 14 Dec | Ryanair | ||
| 11 Dec - 17 Dec | Ryanair | ||
| 11 Dec - 08 Jan | Ryanair | ||
| 29 Dec - 08 Jan | Ryanair |
Also check the deals for one-way flights from Cork to Seoul in December.
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