Cheap Flights from San Antonio, TX to Denver, CO from $58
On Cheapflightsplus.com you will find 19 direct and 334 connecting flights from San Antonio to Denver. You can compare airfare deals from 6 airlines and multiple travel sites from $58, book and save on cheap plane tickets and last minute offers. Also check out SAT-DEN 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 San Antonio to Denver depends on and how to choose the most interesting flight option for you.
Distance between San Antonio and Denver is 1281 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 20:26 from 5 San Antonio airports and arrive 05:00 to 20:26 to 2 Denver airports. Average flight time is 2h 18m.
- The fastest flight 2h 16m
- Average flight time 2h 18m
- The earliest flight 05:00
- The latest flight 20:26
- Distance 796 ml
Best Flights from San Antonio to Denver Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $58 | 20:26 San Antonio San Antonio | 21:49 Denver Denver International | 2h 23m | Frontier Airlines | F92097 |
| from $70 | 19:50 San Antonio San Antonio | 21:16 Denver Denver International | 2h 26m | Frontier Airlines | F92355 |
| from $106 | 08:55 San Antonio San Antonio | 10:12 Denver Denver International | 2h 17m | United Airlines | UA1424 |
| from $103 | 12:27 San Antonio San Antonio | 21:42 Denver Denver International | 10h 15m layover 4h 1m - Atlanta | Frontier Airlines | F94810 F91449 |
| from $144 | 18:35 San Antonio San Antonio | 13:17+1 день Denver Denver International | 19h 42m layover 14h 47m - Minneapolis | Sun Country Airlines | SY1836 SY653 |
The cheapest months to travel to Denver are august (from 58 $), june (from 62 $), may (from 70 $).
The most expensive months are december (from 524 $), february (from 407 $), september (from 169 $).
What is the lowest airfare San Antonio to Denver?
The cheapest plane ticket found by our users is $58. This airfare is for economy class on one-way F92097 flight by Frontier Airlines for August 28, 2025 which leaves San Antonio in San Antonio at 20:26 am and arrives at Denver Denver International at 21:49.
Flight Schedule San Antonio (Texas) to Denver (Colorado)
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Popular Airlines on the Route
The flight San Antonio — Denver is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 28 departures per week at the price of from $ 202 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 1002.
Direct flights
There are 19 nonstop flights on the route. The fastest direct flight is UA490 by United Airlines takes 2h 16m and the cheapest is F92097 by Frontier Airlines for $58.
- F9 - Frontier Airlinesfrom $58Find
- UA - United Airlinesfrom $106Find
Connecting Flights
There are 334 flights with layovers on the route. The fastest connecting flight is UA2157 by United Airlines takes 4h 18m and the cheapest is F92097 by Frontier Airlines for $103.
- AS - Alaska Airlinesfrom $202Find
- F9 - Frontier Airlinesfrom $103Find
- SY - Sun Country Airlinesfrom $144Find
- HA - Hawaiian Airlinesfrom $193Find
- UA - United Airlinesfrom $166Find
- NK - Spirit Airlinesfrom $153Find
Airports
You can fly from San Antonio to Denver from 5 airports (Randolph AFB, Martindale AAF, San Antonio, Kelly AFB, Stinson Municipal).
San Antonio airports
- Randolph AFB-RNDFind
- Martindale AAF-MDAFind
- San Antonio-SATfrom $58Find
- Kelly AFB-SKFFind
- Stinson Municipal-SSFFind
Denver airports
- Denver International-DENFind
- Arapahoe Co-APAFind
Airplanes
There are flights to Denver from San Antonio by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from San Antonio
You may also consider searching for discounted plane tickets to some other popular places from San Antonio within United States.
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Top International Destinations from San Antonio
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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