AirHint found the following cheapest return flights from Rio De Janeiro (SDU) to San Juan (SJU) in December 2025 (see full year).
Return flights
| 02 Dec - 09 Dec | LATAM Airlines Group | ||
| 04 Dec - 05 Dec | Azul Airlines | ||
| 31 Dec - 06 Jan | LATAM Airlines Group | ||
| 03 Dec - 04 Dec | Azul Airlines |
Also check the deals for one-way flights from Rio De Janeiro to San Juan in December.
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