On this page, you can book flights from San Antonio to Denver. The distance between the cities is 1,289 km, and with up to 26 flights per week, it's easy to find a convenient departure time.
Major airlines operating these flights include United Airlines, Southwest Airlines, and Frontier. Keep in mind that seat prices vary by season: to find the best deal, use the low-fare calendar and check the most convenient ways to reach the airport in San Antonio and travel from the airport in Denver.
The table shows direct flights San Antonio → Denver on the selected date. The flight takes approximately 2 h 16 min. Regular flights are operated by United Airlines, Southwest Airlines and Frontier Airlines. Departures from San Antonio International Airport airports, arrivals at Denver International Airport and Centennial Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for San Antonio — Denver by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 292 in y, and the most expensive are around AED 866 in a. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
San Antonio → Denver, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 553 | low | May | AED 702 | high | Sep | AED 595 | medium |
| Feb | AED 510 | low | Jun | AED 744 | high | Oct | AED 574 | low |
| Mar | AED 595 | medium | Jul | AED 723 | high | Nov | AED 659 | medium |
| Apr | AED 616 | medium | Aug | AED 680 | medium | Dec | AED 723 | high |
Some values are estimated based on seasonality.
The climate in Denver features warm summers and cold winters: July is the hottest month with average temperatures reaching 30.5°C, while the lowest temperatures (down to -9°C) and frequent precipitation occur in February and May.
The lowest flight cost was recorded in July, starting AED 294. The peak price season is in January, when ticket prices increase and start AED 864.
The best time to visit is July, when stable warm weather combines with the lowest airfares. Between November and May, expect flight costs to increase significantly.
Three airlines operate regular flights on this route, with United Airlines, Southwest Airlines, and Frontier Airlines leading in flight frequency. A total of about 26 flights per week are performed, including direct non-stop options. Detailed information on flight schedules and specific days of the week for each carrier can be found in the interactive list below.
Flights San Antonio — Denver depart from San Antonio International Airport and arrive at Denver International Airport and Centennial Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The distance between the cities is about 1,289 km. Direct flight time usually takes from 2 to 2.5 hours, depending on weather conditions and aircraft type.
Regular flights are operated by United Airlines (UA), Southwest Airlines (WN), and Frontier Airlines (F9).
Yes, direct flights are available on this route, allowing you to reach your destination as quickly as possible without layovers.
Airfare prices change constantly based on demand and departure dates. You can check the current minimum for the coming months in the low-fare calendar on this page.
Flights from San Antonio arrive at Denver International Airport (DEN).
Where travelers fly most — pick a route and check prices
