Cheap Flights from Denver, CO to San Antonio, TX from $59
On Cheapflightsplus.com you will find 12 direct and 315 connecting flights from Denver to San Antonio. You can compare airfare deals from 6 airlines and multiple travel sites from $59, book and save on cheap plane tickets and last minute offers. Also check out DEN-SAT flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Denver to San Antonio depends on and how to choose the most interesting flight option for you.
Distance between Denver and San Antonio is 1281 miles. Time difference between the cities is 1h. Airplanes depart 00:23 to 23:59 from 2 Denver airports and arrive 00:23 to 23:59 to 5 San Antonio airports. Average flight time is 2h 12m.
- The fastest flight 2h 7m
- Average flight time 2h 12m
- The earliest flight 00:23
- The latest flight 23:59
- Distance 796 ml
Best Flights from Denver to San Antonio Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $59 | 16:17 Denver Denver International | 19:31 San Antonio San Antonio | 2h 14m | Frontier Airlines | F92098 |
| from $106 | 09:40 Denver Denver International | 12:47 San Antonio San Antonio | 2h 7m | United Airlines | UA1131 |
| from $127 | 17:45 Denver Denver International | 20:56 San Antonio San Antonio | 2h 11m | United Airlines | UA1110 |
| from $89 | 00:23 Denver Denver International | 09:30 San Antonio San Antonio | 8h 7m layover 1h 30m - Orlando | Frontier Airlines | F91734 F91653 |
| from $103 | 22:29 Denver Denver International | 13:03+1 день San Antonio San Antonio | 13h 34m layover 8h 39m - Las Vegas | Frontier Airlines | F9777 F93418 |
The cheapest months to travel to San Antonio are may (from 59 $), september (from 61 $), august (from 83 $).
The most expensive months are november (from 162 $), february (from 149 $), january (from 149 $).
What is the lowest airfare Denver to San Antonio?
The cheapest plane ticket found by our users is $59. This airfare is for economy class on one-way F92098 flight by Frontier Airlines for August 28, 2025 which leaves Denver International in Denver at 16:17 am and arrives at San Antonio San Antonio at 19:31.
Flight Schedule Denver (Colorado) to San Antonio (Texas)
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Popular Airlines on the Route
The flight Denver — San Antonio is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 32 departures per week at the price of from $ 197 . And the most expensive tickets are offered by United Airlines airline - from $ 617.
Direct flights
There are 12 nonstop flights on the route. The fastest direct flight is UA1131 by United Airlines takes 2h 7m and the cheapest is F92098 by Frontier Airlines for $59.
- F9 - Frontier Airlinesfrom $59Find
- UA - United Airlinesfrom $106Find
Connecting Flights
There are 315 flights with layovers on the route. The fastest connecting flight is UA1918 by United Airlines takes 4h 9m and the cheapest is F92098 by Frontier Airlines for $89.
- AS - Alaska Airlinesfrom $197Find
- F9 - Frontier Airlinesfrom $89Find
- SY - Sun Country Airlinesfrom $145Find
- HA - Hawaiian Airlinesfrom $188Find
- UA - United Airlinesfrom $149Find
- G4 - Allegiant Airfrom $174Find
Airports
You can fly from Denver to San Antonio from 2 airports (Denver International, Arapahoe Co).
Denver airports
- Denver International-DENfrom $59Find
- Arapahoe Co-APAFind
San Antonio airports
- Randolph AFB-RNDFind
- Martindale AAF-MDAFind
- San Antonio-SATFind
- Kelly AFB-SKFFind
- Stinson Municipal-SSFFind
Airplanes
There are flights to San Antonio from Denver by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Denver
You may also consider searching for discounted plane tickets to some other popular places from Denver within United States.
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Top International Destinations from Denver
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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