Denver to San Antonio is 800 miles (1,288 km), a flight of about 2 hours 20 minutes.
The right side wins because it captures the dramatic Rocky Mountain views during Denver's takeoff and the Texas Hill Country terrain during the San Antonio approach, while the left side offers mostly flat, featureless plains throughout the flight.
Flight Path
Flat high plains of eastern Colorado, the Texas and Oklahoma panhandles, and the semi-arid Llano Estacado — largely featureless agricultural and grassland terrain with no major mountains or rivers directly on the flight path.
Great circle distance and headings ›Phase by phase

Takeoff from DEN
RIGHTDeparting DEN to the south, the right side faces west toward the Front Range, offering a strong view of the Rocky Mountains including the foothills near Denver and, weather permitting, Pikes Peak in the distance as the plane climbs out.
Landing at RND
RIGHTOn approach to the San Antonio area, the right side faces west toward the Texas Hill Country and the Balcones Escarpment, where rolling limestone hills and scattered lakes contrast with the flat coastal plain to the east.
Landmarks on this routeAll landmarks →
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About This Route
Which side of the plane should I sit on flying from Denver International (DEN) to Randolph Afb (RND)?
Sit on the Right side of the plane for the best views on flights from Denver to San Antonio. The right side wins because it captures the dramatic Rocky Mountain views during Denver's takeoff and the Texas Hill Country terrain during the San Antonio approach, while the left side offers mostly flat, featureless plains throughout the flight.
What can I see during takeoff from Denver International in Denver?
During takeoff from Denver International (DEN), sit on the Right side for the best views. Departing DEN to the south, the right side faces west toward the Front Range, offering a strong view of the Rocky Mountains including the foothills near Denver and, weather permitting, Pikes Peak in the distance as the plane climbs out. Notable sights include: Front Range foothills, Pikes Peak, South Platte River valley, Denver metro sprawl.
What can I see when landing at Randolph Afb in San Antonio?
When landing at Randolph Afb (RND), sit on the Right side for the best views. On approach to the San Antonio area, the right side faces west toward the Texas Hill Country and the Balcones Escarpment, where rolling limestone hills and scattered lakes contrast with the flat coastal plain to the east. Notable sights include: Texas Hill Country hills, Balcones Escarpment, Medina/Canyon Lake area, San Antonio's northern suburbs.
How long is the flight from Denver to San Antonio?
The flight from Denver International (DEN) to Randolph Afb (RND) takes about 2 hours 20 minutes. The shortest flight path between them is 800 miles (1,288 km); winds and air traffic control usually add a few percent.
What does the Denver to San Antonio flight path pass over?
Flat high plains of eastern Colorado, the Texas and Oklahoma panhandles, and the semi-arid Llano Estacado — largely featureless agricultural and grassland terrain with no major mountains or rivers directly on the flight path.