Direct flights from Denver to San Antonio DEN → SAT
Frontier Airlines, Southwest Airlines and United Airlines operate nonstop flights from Denver (DEN) to San Antonio (SAT). The nonstop flight takes around ~1h 36m, covering 795 miles (1,280 km) and operates multiple daily. Round-trip fares currently start at $180, with a typical fare around $353 across 25 recent fare combinations. Updated 28 June 2026.
60-day flexibility overview based on 25 recent fares across the next 60 days
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Frontier Airlines
F9
Southwest Airlines
WN
United Airlines
UA
Departure Schedule next 7 days
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Frequently asked questions
Is there a direct flight from Denver to San Antonio?
Yes, Frontier Airlines, Southwest Airlines and 1 more airline operate nonstop flights from Denver (DEN) to San Antonio (SAT).
Which airlines fly direct from Denver to San Antonio?
Frontier Airlines, Southwest Airlines, United Airlines operate nonstop flights from Denver to San Antonio.
How long is the flight from Denver to San Antonio?
The nonstop flight from Denver to San Antonio takes ~1h 36m (approximately 1280 km).
How often do direct flights operate from Denver to San Antonio?
Nonstop flights from Denver to San Antonio operate multiple daily.
How much is a round-trip flight from Denver to San Antonio?
Round-trip flights from Denver (DEN) to San Antonio (SAT) start at $180, with a typical fare around $353. Based on 25 recent fare combinations.