AirHint found the following cheapest one-way flights from Austin (AUS) to San Jose (SJO) in January 2026 (see full year).
One-Way flights
| 09 Jan | Viva | ||
| 12 Jan | Spirit Airlines | ||
| 13 Jan | Spirit Airlines | ||
| 03 Jan | United | ||
| 01 Jan | American Airlines | ||
| 10 Jan | Spirit Airlines | ||
| 30 Jan | Spirit Airlines | ||
| 28 Jan | American Airlines | ||
| 15 Jan | United |
Also check the deals for return flights from Austin to San Jose in January.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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