Denver to San Antonio (DEN–SAT) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
DEN–SAT is served by 4 airlines with nonstop service. United Airlines, Southwest Airlines and Frontier lead the route. The flight covers 795 miles in approximately 1h 52m. Beyond nonstop, 103 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 32 | 738, 739 | 2h07-2h20 | Star Alliance | – | |
| WN Southwest Airlines | 31 | 737, 738, 73H, 7M8, 7S7, B38M | 1h52-2h25 | – | – | |
| F9 Frontier Also: Y4 | 14 | A20N | 2h09-2h19 | – | Y4 | |
| DL Delta Air Lines | 0 | – | – | SkyTeam | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach San Antonio from Denver
| Metric | DEN→SAT | BJC→SAT | ASE→SAT |
|---|---|---|---|
| Distance from DEN | – | 24 mi | 125 mi |
| Nonstop airlines | 4 | 1 | 3 |
| Weekly flights | 84 | – | – |
| Flight time | 1h 52m | 2h 42m | 2h 3m |
| Departure OTP | 83% | – | – |
Travel Essentials
DEN: MDT · SAT: CDT
When it's 6:00 PM in Denver, it's 7:00 PM in San Antonio.
RTD A Line commuter rail runs from Denver Union Station to the airport (37 min, $10.50). Trains depart every 15 minutes during peak hours. The airport is 25 miles northeast of downtown; ride-shares cost $35–55 and take 30–45 minutes depending on I-70 traffic.Economy parking in lots 4–6 connects via free shuttle. Mountain shuttle services depart from Jeppesen Terminal's Ground Transportation level.
DEN–SAT Quick Facts
Frequently Asked Questions
Flights from DEN to SAT
Denver International Airport (DEN) and San Antonio International Airport (SAT) are connected by nonstop service from Delta Air Lines, Frontier, United Airlines and Southwest Airlines. With 84 weekly departures, this is a heavily served route.
DEN to SAT Flight Duration and Schedule
Nonstop flight time from DEN to SAT ranges from 1 hours 52 minutes to 2 hours 25 minutes. The route covers a distance of 795 miles (1,280 km). There are approximately 84 weekly flights outbound and 95 return, totaling 179 flights per week in both directions.
Connecting Options and Alternatives
103 one-stop connections are available, with the fastest taking approximately 3 hours via APA. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Denver (BJC) and Aspen (ASE).