Routes · From DEN

Denver (DEN) to San Antonio (SAT) flights

Nonstop from Denver International to San Antonio International Airport: distance, flying time, which airlines fly it and how often.

Distance

1,280km

795 mi, great circle

Flying time

2h 21m

typical, gate to gate

Flights a day

9

average, November 2026

Airlines

3

passenger airlines

Airlines flying DEN to SAT

Route map

The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.

Cheapest recent fare

Fares found in recent searches load here. You can also compare DEN to SAT fares by month.

Both directions

Frequently asked questions

How long is the flight from Denver to San Antonio?

About 2h 21m gate to gate for the 1,280 km (795 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.

Which airlines fly nonstop from DEN to SAT?

Frontier Airlines, Southwest Airlines and United Airlines, with about 9 flights a day between them in our data (AeroDataBox, November 2026).