Cheap flights from San Antonio, TX to Denver, CO
Flights starting at $93. Choose between United Airlines, American Airlines, or Frontier Airlines to find the best price.
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Cheapest one-way trip | $123 |
|---|---|
Cheapest nonstop round-trip | $100 |
Cheapest round-trip | $248 |
Includes rare itinerary | Travel hack |
Nonstop flights in December | $100 – $390 |
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Travelers usually depart from San Antonio International, San Antonio, San Antonio-Pearl, or San Antonio, TX Train Station when they travel from San Antonio to Denver. Book your trip to arrive at Denver International, or Denver Union Station. The distance between San Antonio and Denver is 1281 km. The most popular airlines for this route are United Airlines, American Airlines, Frontier Airlines, and Spirit Airlines. San Antonio and Denver have 145 direct flights per week.
Weekly direct flights
Discover the top airlines offering direct flights from San Antonio to Denver in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Sun 26.11 - Sat 02.12
| Airline | Sun 26.11 | Mon 27.11 | Tue 28.11 | Wed 29.11 | Thu 30.11 | Fri 01.12 | Sat 02.12 |
|---|---|---|---|---|---|---|---|
| 3 | 4 | 4 | 3 | 4 | 5 | 4 | |
| --- | --- | 1 | --- | 1 | --- | --- |
Weekly direct flights for Sun 03.12 - Sat 09.12
| Airline | Sun 03.12 | Mon 04.12 | Tue 05.12 | Wed 06.12 | Thu 07.12 | Fri 08.12 | Sat 09.12 |
|---|---|---|---|---|---|---|---|
| 3 | --- | 4 | 3 | 4 | 4 | 4 | |
| --- | --- | 1 | --- | 1 | --- | --- |
Weekly direct flights for Sun 10.12 - Sat 16.12
| Airline | Sun 10.12 | Mon 11.12 | Tue 12.12 | Wed 13.12 | Thu 14.12 | Fri 15.12 | Sat 16.12 |
|---|---|---|---|---|---|---|---|
| 4 | 4 | 4 | 3 | 4 | 4 | 4 | |
| 1 | --- | 1 | --- | 1 | --- | --- |
Weekly direct flights for Sun 17.12 - Sat 23.12
| Airline | Sun 17.12 | Mon 18.12 | Tue 19.12 | Wed 20.12 | Thu 21.12 | Fri 22.12 | Sat 23.12 |
|---|---|---|---|---|---|---|---|
| 4 | 4 | 4 | 3 | 4 | 4 | 5 | |
| 1 | --- | 1 | --- | 1 | --- | --- |
Check-in for a flight from San Antonio to Denver
| Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
|---|---|---|---|---|
| United Airlines | UAL | UA | Yes | No |
| American Airlines | AAL | AA | No | No |
| Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
| Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.
Frequently asked questions
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