AirHint found the following cheapest return flights from San Juan (SJU) to Buenos Aires (EZE) in December 2025 (see full year).
Return flights
| 07 Dec - 13 Dec | Copa | ||
| 07 Dec - 14 Dec | American Airlines | ||
| 07 Dec - 08 Dec | Copa | ||
| 06 Dec - 31 Dec | Avianca | ||
| 24 Dec - 10 Jan | Avianca | ||
| 21 Dec - 04 Jan | Avianca | ||
| 19 Dec - 03 Jan | Arajet |
Also check the deals for one-way flights from San Juan to Buenos Aires in December.
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