AirHint found the following cheapest return flights from Cluj-napoca (CLJ) to Seoul (ICN) in December 2025 (see full year).
Return flights
| 04 Dec - 10 Dec | Wizz Air Malta | ||
| 09 Dec - 04 Jan | Wizz Air Malta | ||
| 21 Dec - 04 Jan | Turkish Airlines |
Also check the deals for one-way flights from Cluj-napoca to Seoul in December.
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