Cheap flights from Denver to San Antonio (DEN–SAT)
DENDenver International Airport
United States
United States
SATSan Antonio International Airport
United States
United States
Frontier Airlines, Southwest Airlines and United Airlines fly Denver to San Antonio (DEN–SAT) nonstop and back, a great-circle distance of 1,280 km (795 mi).
- From
- DEN
- Denver
- To
- SAT
- San Antonio
- Nonstop
- Yes · 3 airlines
- Airlines
- F9 · WN · UA
- Cheapest fare found
- $139 one-way
- Distance
- 1,280 km (795 mi)
- Time difference
- San Antonio 1 hour ahead
- Most flights
- Southwest Airlines
- Time in the air
- 1h 43m · 1h 50m back
- On time (Touchdown Index)
- 78.9%
- Flights a week
- F9 ~3 · WN ~19 · UA ~17
- Aircraft seen
- Boeing 737-800 · Boeing 737 Max 8 · Boeing 737-700
Network data imported from airport and airline sources:· How we verify
Denver to San Antonio fares by month
Cheapest one-way fare found: $139 for December 2026 on United Airlines, nonstop. Nonstop from $139.
- Dec ’26$139
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
Denver to San Antonio: frequently asked questions
Fares: Aviasales price cache, 8 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from Denver (DEN) to San Antonio (SAT)?
From $139 one-way, the cheapest fare found for December 2026 on United Airlines, nonstop; nonstop from $139 (found 8 October 2026).
How long is the DEN–SAT flight?
1h 43m wheels-up to wheels-down, the median of 152 tracked flights; SAT–DEN took 1h 50m.
Which airlines fly DEN–SAT direct?
Frontier Airlines, Southwest Airlines and United Airlines.
What is the time difference between Denver and San Antonio?
San Antonio is 1 hour ahead of Denver: a DEN departure at noon is 13:00 local time in SAT.
Is DEN–SAT usually on time?
78.9% of 261 DEN–SAT flights landed within 15 minutes of their usual time; 4.6% were over an hour late.
How many DEN–SAT flights a week?
Frontier Airlines 3, Southwest Airlines 19 and United Airlines 17 each way.
What aircraft fly DEN–SAT?
Boeing 737-800, Boeing 737 Max 8 and Boeing 737-700.
San Antonio to Denver: the return flight (SAT–DEN)
All 3 airlines also fly SAT–DEN nonstop.
The return takes 1h 50m in the air (median of 172 tracked flights).
Airlines flying DEN–SAT nonstop
| Airline | Usually takes off (DEN time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Frontier Airlines F9 | — | low-cost | — | — |
 Southwest Airlines WN | 08:45–19:05 | low-cost | — | — |
| United Airlines UA | 09:46–18:09 | full-service | Star Alliance | — |
One-stop alternatives to flying DEN–SAT nonstop
One airline on both legs; check it's sold as one ticket.
- Via Colorado Springs (COS) with Southwest Airlines: 1,300 km (805 mi) flown, 1% further than nonstop.
- Via Dallas (DFW) with
American Airlines: 1,430 km (889 mi) flown, 12% further than nonstop. - Via Dallas (DAL) with Southwest Airlines: 1,450 km (899 mi) flown, 13% further than nonstop.
- Via Albuquerque (ABQ) with Southwest Airlines: 1,540 km (958 mi) flown, 20% further than nonstop.
- Via Houston (IAH) with United Airlines: 1,690 km (1,050 mi) flown, 32% further than nonstop.
DEN–SAT route map
More from Denver and San Antonio
Other arrivals in United States
Also nonstop from DEN, nearest to SAT first (straight-line distance):
- DEN–AUS: Austin · 107 km (67 mi) from SAT
- Houston (IAH) airport guide · 306 km (190 mi) from SAT
- Houston (HOU) airport guide · 309 km (192 mi) from SAT
- DEN–DFW: Dallas · 398 km (247 mi) from SAT
- Dallas (DAL) airport guide · 399 km (248 mi) from SAT
Explore the airlines’ route maps
- Frontier Airlines route map and destinations
- Southwest Airlines route map and destinations
- United Airlines route map and destinations
Plan your arrival at San Antonio International Airport (SAT)
Departure
Denver International Airport
Denver (DEN), Denver. In our data, 23 airlines fly nonstop from DEN to 165 destinations.
View DEN airport guide →Arrival
San Antonio International Airport
San Antonio (SAT), San Antonio.
Onward from San Antonio
Places you can't fly to nonstop from DEN, but can from SAT — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.