AirHint found the following cheapest return flights from San Francisco (SFO) to Loreto (LTO) in December 2025 (see full year).
Return flights
| 23 Dec - 30 Dec | Alaska Airlines | ||
| 24 Dec - 29 Dec | Alaska Airlines | ||
| 24 Dec - 01 Jan | American Airlines | ||
| 25 Dec - 31 Dec | Alaska Airlines | ||
| 20 Dec - 27 Dec | Frontier Airlines | ||
| 26 Dec - 31 Dec | American Airlines |
Also check the deals for one-way flights from San Francisco to Loreto in December.
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