AirHint found the following cheapest return flights from Cluj-napoca (CLJ) to Seoul (ICN) in December 2025 (see full year).
Return flights
| 03 Dec - 10 Dec | Ryanair | ||
| 18 Dec - 07 Jan | Wizz Air Malta | ||
| 19 Dec - 07 Jan | HiSky Europe |
Also check the deals for one-way flights from Cluj-napoca to Seoul in December.
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