AirHint found the following cheapest return flights from Sandefjord (TRF) to San Juan (SJU) in December 2025 (see full year).
Return flights
| 12 Dec - 03 Jan | Norwegian Air Sweden AOC | ||
| 20 Dec - 02 Jan | Ryanair |
Also check the deals for one-way flights from Sandefjord to San Juan in December.
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