AirHint found the following cheapest return flights from Buenos Aires (EZE) to San Juan (SJU) in December 2025 (see full year).
Return flights
| 16 Dec - 23 Dec | Avianca | ||
| 20 Dec - 23 Dec | Arajet | ||
| 28 Dec - 03 Jan | Aeromexico | ||
| 30 Dec - 07 Jan | Copa |
Also check the deals for one-way flights from Buenos Aires to San Juan in December.
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