Outbound
2 hours 25 minutes
Return
2 hours 25 minutes
Daily Flights
3-5
Airlines
3
Timezone note
Denver is 1 hour behind San Antonio (Mountain vs Central Time).
About this route
San Antonio to Denver flights
San Antonio to Denver connects South Texas with the Mountain West. United and Southwest share most of the traffic, with Frontier offering ultra-low fares. The route serves both business travelers and ski enthusiasts heading to Colorado's resorts.
The 1-hour timezone difference is simple to manage. Denver's remote airport location makes landing alerts especially useful — a well-timed alert gives the driver enough lead time to make the 35-45 minute trip to DEN.
Airlines
Airlines on this route
How it works
Track San Antonio to Denver.
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FAQ
Frequently asked questions.
How long is the SAT to DEN flight?
About 2 hours 25 minutes in both directions.
Which airlines fly this route?
United, Southwest, and Frontier all serve SAT-DEN.
Is this route popular for ski trips?
Yes, DEN provides access to Colorado's ski resorts, attracting winter travelers from San Antonio.
Know when they land in Denver
Avoid waiting at arrivals. Get a text the moment their San Antonio to Denver flight touches down.
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