AirHint found the following cheapest return flights from San Francisco (SFO) to Rio Negro (MDE) in December 2026 (see full year).
Return flights
| 16 Dec - 03 Jan | Alaska Airlines | ||
| 16 Dec - 02 Jan | Alaska Airlines | ||
| 18 Dec - 03 Jan | Aeromexico | ||
| 16 Dec - 01 Jan | LATAM Airlines Group | ||
| 18 Dec - 04 Jan | Aeromexico | ||
| 17 Dec - 04 Jan | LATAM Airlines Group |
Also check the deals for one-way flights from San Francisco to Rio Negro in December.
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