AirHint found the following cheapest return flights from Miami (MIA) to Asuncion (ASU) in December 2025 (see full year).
Return flights
| 30 Dec - 10 Jan | Copa | ||
| 26 Dec - 04 Jan | Boliviana de Aviacion | ||
| 26 Dec - 03 Jan | Boliviana de Aviacion | ||
| 19 Dec - 11 Jan | Copa |
Also check the deals for one-way flights from Miami to Asuncion in December.
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