Denver to San Antonio (DEN–SAT) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
DEN–SAT is served by 4 airlines with nonstop service. Southwest Airlines, United Airlines and Frontier lead the route. The flight covers 795 miles in approximately 2h 15m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| WN Southwest Airlines | 33 | 737, 7S7, B38M | 2h07-2h20 | – | – | |
| UA United Airlines | 28 | 320, 738 | 2h02-2h15 | Star Alliance | – | |
| F9 Frontier Also: Y4 | 7 | 32N | 2h14 | – | Y4 | |
| DL Delta Air Lines | 0 | – | – | SkyTeam | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach San Antonio from Denver
| Metric | DEN→SAT | BJC→SAT | COS→SAT |
|---|---|---|---|
| Distance from DEN | – | 24 mi | 73 mi |
| Nonstop airlines | 4 | 1 | 1 |
| Weekly flights | 75 | 1 | – |
| Flight time | 2h 15m | 1h 38m | 1h 35m |
| Departure OTP | 86% | – | – |
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 Southwest Airlines, United Airlines, Frontier and Delta Air Lines. With 75 weekly departures, this is a heavily served route.
DEN to SAT Flight Duration and Schedule
Nonstop flight time from DEN to SAT is about 2 hours 15 minutes gate to gate. The route covers a distance of 795 miles (1,280 km). There are approximately 75 weekly flights outbound and 82 return, totaling 157 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Dallas Love Field, Albuquerque International Sunport and Dallas Fort Worth. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Denver (BJC), Colorado Springs (COS) and Aspen (ASE).