AirHint found the following cheapest return flights from Oslo (OSL) to San Juan (SJU) in December 2025 (see full year).
Return flights
| 27 Dec - 06 Jan | Ryanair | ||
| 17 Dec - 31 Dec | Finnair | ||
| 24 Dec - 30 Dec | KLM | ||
| 23 Dec - 30 Dec | Finnair | ||
| 18 Dec - 04 Jan | Virgin Atlantic | ||
| 26 Dec - 05 Jan | Finnair | ||
| 27 Dec - 08 Jan | Condor |
Also check the deals for one-way flights from Oslo to San Juan in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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