AirHint found the following cheapest one-way flights from Phoenix (PHX) to Montevideo (MVD) in December 2025 (see full year).
One-Way flights
| 30 Dec | Frontier Airlines | ||
| 29 Dec | Frontier Airlines | ||
| 27 Dec | Frontier Airlines | ||
| 26 Dec | Frontier Airlines | ||
| 28 Dec | Frontier Airlines |
Also check the deals for return flights from Phoenix to Montevideo in December.
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