AirHint found the following cheapest one-way flights from Miami (MIA) to San Jose (SJO) in December 2025 (see full year).
One-Way flights
| 28 Dec | United | ||
| 29 Dec | United | ||
| 31 Dec | United | ||
| 30 Dec | Delta | ||
| 31 Dec | American Airlines | direct | |
| 29 Dec | Avianca | direct | |
| 30 Dec | Avianca | direct | |
| 28 Dec | Volaris El Salvador | direct |
Also check the deals for return flights from Miami to San Jose in December.
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