AirHint found the following cheapest return flights from Asheville (AVL) to San Jose (SJO) in December 2025 (see full year).
Return flights
| 13 Dec - 15 Dec | Allegiant Air | ||
| 29 Dec - 02 Jan | Allegiant Air | ||
| 28 Dec - 02 Jan | Allegiant Air | ||
| 28 Dec - 04 Jan | Allegiant Air |
Also check the deals for one-way flights from Asheville to San Jose in December.
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