AirHint found the following cheapest return flights from Sandefjord (TRF) to San Jose (SJO) in December 2025 (see full year).
Return flights
| 26 Dec - 16 Jan | Ryanair | ||
| 30 Dec - 19 Jan | KLM | ||
| 10 Dec - 08 Jan | Ryanair | ||
| 10 Dec - 06 Jan | KLM | ||
| 19 Dec - 03 Jan | Ryanair |
Also check the deals for one-way flights from Sandefjord to San Jose in December.
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