AirHint found the following cheapest one-way flights from Ontario (ONT) to Managua (MGA) in December 2025 (see full year).
One-Way flights
| 30 Dec | Frontier Airlines | ||
| 29 Dec | Copa | ||
| 20 Dec | Frontier Airlines | ||
| 26 Dec | Copa | ||
| 27 Dec | Copa | ||
| 28 Dec | Copa | ||
| 15 Dec | Copa | ||
| 14 Dec | Copa | ||
| 17 Dec | Copa | ||
| 19 Dec | Copa |
Also check the deals for return flights from Ontario to Managua in December.
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