AirHint found the following cheapest one-way flights from San Antonio (SAT) to Denver (DEN) in January 2026 (see full year).
One-Way flights
| 23 Jan | Frontier Airlines | ||
| 27 Jan | Delta | ||
| 31 Jan | Delta | ||
| 19 Jan | Frontier Airlines | direct | |
| 23 Jan | Frontier Airlines | direct | |
| 21 Jan | Spirit Airlines | ||
| 27 Jan | Southwest Airlines | direct | |
| 21 Jan | United | direct |
Also check the deals for return flights from San Antonio to Denver 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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