AirHint found the following cheapest return flights from San Juan (SJU) to Buenos Aires (EZE) in December 2025 (see full year).
Return flights
| 06 Dec - 13 Dec | Copa | ||
| 02 Dec - 08 Dec | United | ||
| 24 Dec - 10 Jan | Frontier Airlines | ||
| 26 Dec - 06 Jan | Spirit Airlines | ||
| 19 Dec - 22 Dec | Arajet |
Also check the deals for one-way flights from San Juan to Buenos Aires 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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