AirHint found the following cheapest return flights from Sandefjord (TRF) to Seoul (ICN) in December 2025 (see full year).
Return flights
| 10 Dec - 17 Dec | Ryanair | ||
| 07 Dec - 14 Dec | Ryanair | ||
| 13 Dec - 17 Dec | Ryanair | ||
| 16 Dec - 30 Dec | Ryanair | ||
| 11 Dec - 05 Jan | Ryanair | ||
| 21 Dec - 25 Dec | Ryanair | ||
| 20 Dec - 10 Jan | Ryanair |
Also check the deals for one-way flights from Sandefjord to Seoul in December.
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