AirHint found the following cheapest return flights from Cluj-napoca (CLJ) to Copenhagen (CPH) in December 2025 (see full year).
Return flights
| 04 Dec - 07 Dec | Ryanair | ||
| 12 Dec - 15 Dec | Wizz Air Malta | ||
| 05 Dec - 07 Dec | Lufthansa | ||
| 11 Dec - 13 Dec | Lufthansa | ||
| 13 Dec - 14 Dec | Lufthansa |
Also check the deals for one-way flights from Cluj-napoca to Copenhagen in December.
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