AirHint found the following cheapest return flights from Salt Lake City (SLC) to Santiago (SCL) in December 2025 (see full year).
Return flights
| 15 Dec - 01 Jan | Frontier Airlines | ||
| 24 Dec - 01 Jan | Frontier Airlines | ||
| 18 Dec - 01 Jan | Delta | ||
| 19 Dec - 01 Jan | Frontier Airlines | ||
| 26 Dec - 03 Jan | Frontier Airlines |
Also check the deals for one-way flights from Salt Lake City to Santiago in December.
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