Denver to San Antonio (DEN–SAT) — Airlines, Schedules & Connections
No flights match your filters.
No nonstop flights on this route. connecting options below.
DEN–SAT is served by 3 airlines with nonstop service. Southwest Airlines, United Airlines and Frontier lead the route. The flight covers 795 miles in approximately 2h 10m. Beyond nonstop, 68 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| WN Southwest Airlines | 63 | 737, 738, 73H, 7M8, 7S7, B38M | 2h10-3h03 | – | – | |
| UA United Airlines | 35 | 320, 738, 7M8 | 2h17-3h40 | Star Alliance | – | |
| F9 Frontier | 19 | 321, 32Q, A21N | 2h17-3h22 | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach San Antonio from Denver
| Metric | DEN→SAT | BJC→SAT | ASE→SAT |
|---|---|---|---|
| Distance from DEN | – | 24 mi | 125 mi |
| Nonstop airlines | 3 | 1 | 2 |
| Weekly flights | 117 | 1 | 2 |
| Flight time | 2h 10m | 2h 42m | 2h 42m |
| Departure OTP | 51% | – | – |
Travel Essentials
DEN: MDT · SAT: MDT
When it's 6:00 PM in Denver, it's 6:00 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 Frontier, United Airlines and Southwest Airlines. With 117 weekly departures, this is a heavily served route.
DEN to SAT Flight Duration and Schedule
Nonstop flight time from DEN to SAT ranges from 2 hours 10 minutes to 3 hours 40 minutes. The route covers a distance of 795 miles (1,280 km). There are approximately 117 weekly flights outbound and 112 return, totaling 229 flights per week in both directions.
Connecting Options and Alternatives
68 one-stop connections are available, with the fastest taking approximately 4 hours via OKC. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Denver (BJC) and Aspen (ASE).