AirHint found the following cheapest one-way flights from Miami (MIA) to Belize City (BZE) in December 2025 (see full year).
One-Way flights
| 14 Dec | Frontier Airlines | ||
| 28 Dec | Frontier Airlines | ||
| 06 Dec | Southwest Airlines | ||
| 29 Dec | Frontier Airlines | ||
| 13 Dec | Southwest Airlines | ||
| 19 Dec | United |
Also check the deals for return flights from Miami to Belize City in December.
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