Cheap flights from San Antonio to Denver
795 mi · 45m average nonstop
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Quick answer: San Antonio to Denver at a glance
Cheap flights from San Antonio (SAT) to Denver (DEN) cover 795 miles (1,279 km) in about 45m nonstop, with 3 airlines flying direct — a medium-haul domestic route. Search Kayak for today's cheapest live fare. Route difficulty 3/10.
Summary computed from real OpenFlights coordinates — not an estimate. Prices update live on Kayak.
Flying from San Antonio to Denver covers 795 miles (1,279 km) in approximately 0 hour 45 minutes. 3 airlines fly this route directly, making it the 4th most competitive of 35 routes from San Antonio. This is a medium-haul domestic route typically served by direct flights.
Nonstop distance 795 miles. Direct carriers include FL, UA and WN.
We don't track historical prices for this route yet. Search live fares on Kayak for today's best price across 100+ airlines and booking sites.
Airlines on this route
3 airlines fly San Antonio → Denver. All are direct routes.
| Airline | Route type |
|---|---|
| FL | Direct |
| UA | Direct |
| WN | Direct |
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San Antonio to Denver — quick answers
How far is San Antonio from Denver by plane?
The nonstop flight distance from San Antonio (SAT) to Denver (DEN) is 795 miles (1,279 km), calculated as a great-circle line from published OpenFlights airport coordinates. Actual flown distance is slightly longer due to airways and winds.
How long is the flight from San Antonio to Denver?
The average nonstop flight time from SAT to DEN is 45 minutes. Gate-to-gate time is usually 20–35 minutes longer; connecting itineraries add 1–4 hours depending on the layover.
Which airlines fly from San Antonio to Denver?
3 airlines serve this route nonstop: FL, UA, WN. Schedules and amenities differ by carrier — compare live frequencies and fare classes on Kayak before you book.