AirHint found the following cheapest one-way flights from Ontario (ONT) to Santiago (SCL) in December 2025 (see full year).
One-Way flights
| 06 Dec | Frontier Airlines | ||
| 01 Dec | Volaris | ||
| 10 Dec | Volaris | ||
| 03 Dec | LATAM Airlines Group | ||
| 17 Dec | Volaris | ||
| 15 Dec | LATAM Airlines Group | ||
| 02 Dec | Copa | ||
| 30 Dec | Copa | ||
| 13 Dec | Copa | ||
| 07 Dec | Copa |
Also check the deals for return flights from Ontario to Santiago in December.
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