AirHint found the following cheapest return flights from Copenhagen (CPH) to San Jose (SJO) in December 2025 (see full year).
Return flights
| 31 Dec - 19 Jan | Ryanair | ||
| 15 Dec - 30 Dec | TAP | ||
| 28 Dec - 04 Jan | Ryanair | ||
| 18 Dec - 01 Jan | Scandinavian Airlines | ||
| 21 Dec - 03 Jan | Ryanair |
Also check the deals for one-way flights from Copenhagen to San Jose in December.
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