Cheap Flights from San Antonio, TX to Denver, CO from $112
On Cheapflightsplus.com you will find 4 direct and 42 connecting flights from San Antonio to Denver. You can compare airfare deals from 5 airlines and multiple travel sites from $112, 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.
Find One-Way and Round-Trip San Antonio to Denver Flight Deals
Best Flights from San Antonio to Denver Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $112 | 05:15 San Antonio San Antonio | 06:34 Denver Denver International | 2h 19m | United Airlines | UA1399 |
from $112 | 16:36 San Antonio San Antonio | 18:08 Denver Denver International | 2h 32m | United Airlines | UA624 |
from $124 | 08:55 San Antonio San Antonio | 10:12 Denver Denver International | 2h 17m | United Airlines | UA2082 |
from $156 | 13:43 San Antonio San Antonio | 15:00 Denver Denver International | 2h 17m | United Airlines | UA1299 |
from $186 | 17:56 San Antonio San Antonio | 23:38 Denver Denver International | 6h 42m layover 2h 55m - Houston | United Airlines | UA2170 UA1338 |
from $200 | 12:13 San Antonio San Antonio | 16:40 Denver Denver International | 5h 27m layover 1h 29m - Houston | United Airlines | UA6104 UA241 |
from $200 | 09:56 San Antonio San Antonio | 16:40 Denver Denver International | 7h 44m layover 3h 48m - Houston | United Airlines | UA1798 UA241 |
from $214 | 16:17 San Antonio San Antonio | 19:59 Denver Denver International | 4h 42m layover 0h 40m - Houston | United Airlines | UA6153 UA1654 |
from $214 | 05:30 San Antonio San Antonio | 11:50 Denver Denver International | 7h 20m layover 3h 39m - Houston | United Airlines | UA469 UA2723 |
from $216 | 05:30 San Antonio San Antonio | 09:55 Denver Denver International | 5h 25m layover 1h 49m - Houston | United Airlines | UA469 UA2714 |
from $243 | 05:30 San Antonio San Antonio | 12:52 Denver Denver International | 8h 22m layover 4h 40m - Houston | United Airlines | UA469 UA434 |
from $248 | 12:55 San Antonio San Antonio | 20:36 Denver Denver International | 8h 41m layover 2h 42m - Chicago | United Airlines | UA1905 UA767 |
from $249 | 07:30 San Antonio San Antonio | 11:50 Denver Denver International | 5h 20m layover 1h 39m - Houston | United Airlines | UA1486 UA2723 |
from $249 | 17:20 San Antonio San Antonio | 23:22 Denver Denver International | 7h 2m layover 1h 7m - Chicago | United Airlines | UA5869 UA1748 |
from $263 | 06:45 San Antonio San Antonio | 14:46 Denver Denver International | 9h 1m layover 3h 20m - Chicago | United Airlines | UA2629 UA622 |
from $268 | 05:30 San Antonio San Antonio | 18:08 Denver Denver International | 13h 38m layover 3h 9m - Houston 3h 17m - Los Angeles | United Airlines | UA469 UA469 UA1294 |
Flight Schedule San Antonio (Texas) to Denver (Colorado)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
05:15 — 06:34
|
05:15 — 06:34
UA1399
United Airlines
San Antonio — Denver
|
2h 19m |
Find flight
from$112 |
|
08:55 — 10:12
|
08:55 — 10:12
UA2082
United Airlines
San Antonio — Denver
|
2h 17m |
Find flight
from$124 |
|
13:43 — 15:00
|
13:43 — 15:00
UA1299
United Airlines
San Antonio — Denver
|
2h 17m |
Find flight
from$156 |
|
16:36 — 18:08
|
16:36 — 18:08
UA624
United Airlines
San Antonio — Denver
|
2h 32m |
Find flight
from$112 |
|
05:30 — 11:50
|
05:30 — 06:36
UA469
United Airlines
San Antonio — Houston
3h 39m stop
10:15 — 11:50
UA2723
United Airlines
Houston — Denver
|
7h 20m including layover |
Find flight
from$214 |
|
06:00 — 12:14
|
06:00 — 07:42
UA784
United Airlines
San Antonio — San Francisco
53m stop
08:35 — 12:14
UA2348
United Airlines
San Francisco — Denver
|
7h 14m including layover |
Find flight
from$1022 |
|
06:45 — 14:46
|
06:45 — 09:44
UA2629
United Airlines
San Antonio — Chicago
3h 20m stop
13:04 — 14:46
UA622
United Airlines
Chicago — Denver
|
9h 1m including layover |
Find flight
from$263 |
|
07:00 — 23:59
|
07:00 — 09:24
AS495
Alaska Airlines
San Antonio — Seattle
10h 53m stop
20:17 — 23:59
AS642
Alaska Airlines
Seattle — Denver
|
17h 59m including layover |
Find flight
from$292 |
|
07:30 — 11:50
|
07:43 — 08:49
UA1486
United Airlines
San Antonio — Houston
1h 39m stop
12:50 — 14:22
UA2723
United Airlines
Houston — Denver
|
5h 20m including layover |
Find flight
from$249 |
|
09:56 — 16:40
|
09:56 — 11:02
UA1798
United Airlines
San Antonio — Houston
3h 48m stop
14:50 — 16:40
UA241
United Airlines
Houston — Denver
|
7h 44m including layover |
Find flight
from$200 |
|
12:13 — 16:40
|
12:13 — 13:21
UA6104
United Airlines
San Antonio — Houston
1h 29m stop
14:50 — 16:40
UA241
United Airlines
Houston — Denver
|
5h 27m including layover |
Find flight
from$200 |
|
12:55 — 20:36
|
12:55 — 15:53
UA1905
United Airlines
San Antonio — Chicago
2h 42m stop
18:35 — 20:36
UA767
United Airlines
Chicago — Denver
|
8h 41m including layover |
Find flight
from$248 |
|
16:17 — 19:59
|
16:17 — 17:25
UA6153
United Airlines
San Antonio — Houston
40m stop
18:05 — 19:59
UA1654
United Airlines
Houston — Denver
|
4h 42m including layover |
Find flight
from$214 |
|
17:20 — 23:22
|
17:20 — 20:25
UA5869
United Airlines
San Antonio — Chicago
1h 7m stop
21:32 — 23:22
UA1748
United Airlines
Chicago — Denver
|
7h 2m including layover |
Find flight
from$249 |
|
17:56 — 23:38
|
18:01 — 19:07
UA2170
United Airlines
San Antonio — Houston
2h 55m stop
22:05 — 23:46
UA1338
United Airlines
Houston — Denver
|
6h 42m including layover |
Find flight
from$186 |
|
19:37 — 11:53
+1 day
|
19:28 — 21:59
HA6517
Hawaiian Airlines
San Antonio — Seattle
10h 13m stop
08:18 — 12:00
HA6653
Hawaiian Airlines
Seattle — Denver
|
17h 16m including layover |
Find flight
from$327 |
|
19:37 — 16:54
+1 day
|
19:37 — 21:53
AS494
Alaska Airlines
San Antonio — Seattle
15h 20m stop
13:13 — 16:54
AS620
Alaska Airlines
Seattle — Denver
|
22h 17m including layover |
Find flight
from$336 |
|
14:11 — 08:49
+1 day
|
14:11 — 15:31
NK1274
Spirit Airlines
San Antonio — Los Angeles
8h 24m stop
23:55 — 05:36
SY430
Sun Country Airlines
Los Angeles — Minneapolis
2h stop
07:36 — 08:49
SY651
Sun Country Airlines
Minneapolis — Denver
|
19h 38m including layover |
Find flight
from$554 |
|
14:11 — 20:56
+1 day
|
14:11 — 15:31
NK1274
Spirit Airlines
San Antonio — Los Angeles
20h 44m stop
12:15 — 17:46
SY424
Sun Country Airlines
Los Angeles — Minneapolis
1h 59m stop
19:45 — 20:56
SY1609
Sun Country Airlines
Minneapolis — Denver
|
31h 45m including layover |
Find flight
from$565 |
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 05:15 to 19:37 from 5 San Antonio airports and arrive 05:15 to 19:37 to 2 Denver airports. Average flight time is 2h 18m.
- The fastest flight 2h 17m
- Average flight time 2h 18m
- The earliest flight 05:15
- The latest flight 19:37
- Distance 796 ml
The cheapest months to travel to Denver are august (from 112 $), june (from 124 $), july (from 146 $).
The most expensive months are may (from 175 $), july (from 146 $), june (from 124 $).
What is the lowest airfare San Antonio to Denver?
The cheapest plane ticket found by our users is $112. This airfare is for economy class on one-way UA624 flight by United Airlines for August 16, 2025 which leaves San Antonio in San Antonio at 16:36 am and arrives at Denver Denver International at 18:08.
Popular Airlines on the Route
The flight San Antonio — Denver is served by 5 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 9 departures per week at the price of from $ 292 . And the most expensive tickets are offered by United Airlines airline - from $ 1022.
Direct flights
There are 4 nonstop flights on the route. The fastest direct flight is UA2082 by United Airlines takes 2h 17m and the cheapest is UA624 by United Airlines for $112.
- UA - United Airlinesfrom $112Find
Connecting Flights
There are 42 flights with layovers on the route. The fastest connecting flight is UA6153 by United Airlines takes 4h 42m and the cheapest is UA624 by United Airlines for $186.
- AS - Alaska Airlinesfrom $292Find
- F9 - Frontier Airlinesfrom $326Find
- HA - Hawaiian Airlinesfrom $325Find
- UA - United Airlinesfrom $186Find
- NK - Spirit Airlinesfrom $535Find
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 $112Find
- Kelly AFB-SKFFind
- Stinson Municipal-SSFFind
Denver airports
- Denver International-DENFind
- Arapahoe Co-APAFind
Airplanes
There are flights to Denver from San Antonio by 5 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»
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