Cheap flights from San Antonio to Denver from £56
Trusted by millions
Kiwi.com Guarantee for stress-free travel
One search, all the best deals
Explore flight deals to Denver
Not happy with the results? Try some of our useful filters
Search by stops
Search by carrier
Search by price
Search by departure date
Not happy with the results? Try some of our useful filters
Search by stops
Search by carrier
Search by price
Search by departure date
How much do flights to Denver cost?
Getting from Denver's airport to the city center
Fastest options: RTD A Line train and taxi/ride-hailing. Best value: RTD A Line and regional bus services.
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
37 min | $10.50; one-way fare | every 15 min (traffic dependent) | downtown on a budget | |
50-70 min | $10.50; one-way fare | every 30–60 min (traffic dependent) | Boulder and suburban areas | |
30-50 min | $55 – $70; metered; varies by traffic and destination | on-demand 24/7 (traffic dependent) | door-to-door convenience | |
30-50 min | $40 – $70; surge pricing may apply | on-demand 24/7 (traffic dependent) | flexible pickup locations | |
30-50 min | $70 – $120; pre-booked; varies by provider | by reservation (traffic dependent) | groups and guaranteed pickup | |
30-50 min | $40 – $100; per day; varies by vehicle and provider | on-demand (traffic dependent) | exploring Colorado independently |
Notes:
- Prices in USD; table created in 2025 and subject to change.
- The RTD A Line operates from approximately 4:00 AM to 1:00 AM daily, with reduced frequency during late night hours.
- Ride-hailing pickup is located on Level 5, Island 5 of the Jeppesen Terminal.
- Taxi and ride-hailing costs can increase significantly during peak hours and adverse weather conditions.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to Denver
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 chart.
| Airline | Mon 31.08 | Tue 01.09 | Wed 02.09 | Thu 03.09 | Fri 04.09 | Sat 05.09 | Sun 06.09 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | 4 | 4 | 4 | |
| --- | --- | --- | --- | 1 | --- | 1 | |
| Weekly flights: 14 total | Daily flights: 2 average | Most flights: Friday 4 flights |
| Airline | Mon 07.09 | Tue 08.09 | Wed 09.09 | Thu 10.09 | Fri 11.09 | Sat 12.09 | Sun 13.09 |
|---|---|---|---|---|---|---|---|
| 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Weekly flights: 35 total | Daily flights: 5 average | Most flights: Monday 4 flights |
| Airline | Mon 14.09 | Tue 15.09 | Wed 16.09 | Thu 17.09 | Fri 18.09 | Sat 19.09 | Sun 20.09 |
|---|---|---|---|---|---|---|---|
| 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Weekly flights: 35 total | Daily flights: 5 average | Most flights: Monday 4 flights |
| Airline | Mon 21.09 | Tue 22.09 | Wed 23.09 | Thu 24.09 | Fri 25.09 | Sat 26.09 | Sun 27.09 |
|---|---|---|---|---|---|---|---|
| 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Weekly flights: 35 total | Daily flights: 5 average | Most flights: Monday 4 flights |
Check-in for a flight from San Antonio to Denver
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Frontier Airlines | FFT | F9 | No |
| United Airlines | UAL | UA | No |
| Volaris | VOI | Y4 | No |
| VivaAerobus | VIV | VB | No |
| BREEZE | MX | No |
Online check-in is not available for these airlines.
Weather in Denver
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 4°C | -6°C |
| February | 5°C | -6°C |
| March | 10°C | -1°C |
| April | 14°C | 1°C |
| May | 18°C | 6°C |
| June | 26°C | 13°C |
| July | 29°C | 16°C |
| August | 28°C | 15°C |
| September | 25°C | 12°C |
| October | 17°C | 4°C |
| November | 10°C | -1°C |
| December | 5°C | -5°C |
14 day forecast
Denver travel tips
Check out the International Church of Cannabis in Denver
Located on 400 S Logan Street in Denver, the International Church of Cannabis will dive you into the place of worship and “spiritual home for cannabis lovers”. It is open to the public from Thursday to Sunday from 13:00 to 15:00. Its design with bright colorful frescas will boost your mood even without smoking cannabis.
Ask freely to try some sweets in Hammond Candy Factory in Denver
The staff of Hammond Candy Factory on 5735 Washington Street in Denver is so passionate about its business that they suggest free tours of their factory. You will see how candy canes, lollipops, and chocolates are crafted. By the way, if you ask politely to try some, they will not reject. Thus you will definitely know what you want to buy.
Escape from fuss with a book in Tattered Cover Bookstore in Denver
Located on 1628 16th Street in Denver, Tattered Cover Bookstore is a mecca for bookworms. It hosts new bestsellers and, as you may understand from its name, used books. Even if you do not want to buy, feel free to seclude in any corner and read for a couple of hours.
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.
Explore alternative trips
Flights from San Antonio
Flights to Denver
Popular routes
Airports near San Antonio
Airports near Denver
Download our app