AirHint found the following cheapest one-way flights from San Diego (SAN) to Fresno (FAT) in December 2025 (see full year).
One-Way flights
| 25 Dec | Frontier Airlines | ||
| 29 Dec | Alaska Airlines | direct | |
| 31 Dec | Alaska Airlines | direct | |
| 25 Dec | Alaska Airlines | direct | |
| 19 Dec | United | ||
| 19 Dec | Alaska Airlines | direct |
Also check the deals for return flights from San Diego to Fresno in December.
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