AirHint found the following cheapest return flights from Buenos Aires (EZE) to San Juan (SJU) in December 2025 (see full year).
Return flights
| 05 Dec - 13 Dec | Copa | ||
| 03 Dec - 16 Dec | Avianca | ||
| 04 Dec - 16 Dec | Copa | ||
| 12 Dec - 17 Dec | Copa | ||
| 14 Dec - 02 Jan | Avianca | ||
| 11 Dec - 18 Dec | Avianca | ||
| 04 Dec - 21 Dec | Avianca | ||
| 20 Dec - 02 Jan | Arajet |
Also check the deals for one-way flights from Buenos Aires to San Juan in December.
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