Cheap Flights from Denver, CO to San Antonio, TX from $64
Return flight: San Antonio – Denver
On Cheapflightsplus.com you will find 9 direct and 173 connecting flights from Denver to San Antonio. You can compare airfare deals from 6 airlines and multiple travel sites from $64, book and save on cheap plane tickets and last minute offers. Also check out DEN-SAT flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Denver to San Antonio Flight Deals
To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights».
To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight.
Cheapest flights in November: $64 (one-way), $110 (round-trip).
Direct flights
Check prices for return flight
Best Flights from Denver to San Antonio Today
Take a look at the list of non stop flights and flights with layovers from Denver to San Antonio with the lowest price of $64. The fastest direct flight takes 2h 7m and the fastest connecting – 4h 9m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $64 | 10:43 Denver Denver International | 14:00 San Antonio San Antonio | 2h 17m | Frontier Airlines | F92356 |
| from $87 | 16:17 Denver Denver International | 19:31 San Antonio San Antonio | 2h 14m | Frontier Airlines | F92098 |
| from $112 | 09:40 Denver Denver International | 12:47 San Antonio San Antonio | 2h 7m | United Airlines | UA1131 |
| from $112 | 20:43 Denver Denver International | 23:59 San Antonio San Antonio | 2h 16m | United Airlines | UA1801 |
| from $118 | 09:35 Denver Denver International | 12:43 San Antonio San Antonio | 2h 8m | United Airlines | UA2063 |
| from $134 | 09:40 Denver Denver International | 12:48 San Antonio San Antonio | 2h 8m | United Airlines | UA1544 |
| from $134 | 17:45 Denver Denver International | 20:56 San Antonio San Antonio | 2h 11m | United Airlines | UA1110 |
| from $156 | 13:41 Denver Denver International | 16:51 San Antonio San Antonio | 2h 10m | United Airlines | UA1022 |
| from $170 | 17:55 Denver Denver International | 21:07 San Antonio San Antonio | 2h 12m | United Airlines | UA1762 |
| from $102 | 00:23 Denver Denver International | 09:30 San Antonio San Antonio | 8h 7m layover 1h 30m - Orlando | Frontier Airlines | F91734 F91653 |
| from $108 | 14:37 Denver Denver International | 13:08+1 день San Antonio San Antonio | 21h 31m layover 16h 35m - Las Vegas | Frontier Airlines | F92349 F93418 |
| from $114 | 12:05 Denver Denver International | 13:08+1 день San Antonio San Antonio | 24h 3m layover 19h 13m - Las Vegas | Frontier Airlines | F91993 F93418 |
| from $149 | 22:29 Denver Denver International | 19:38+1 день San Antonio San Antonio | 20h 9m layover 15h 15m - Las Vegas | Frontier Airlines | F9777 F93420 |
| from $149 | 14:37 Denver Denver International | 19:38+1 день San Antonio San Antonio | 28h 1m layover 23h 1m - Las Vegas | Frontier Airlines | F92349 F93420 |
| from $152 | 17:59 Denver Denver International | 09:47+1 день San Antonio San Antonio | 14h 48m layover 10h 0m - Minneapolis | Sun Country Airlines | SY656 SY1835 |
| from $157 | 10:07 Denver Denver International | 15:23 San Antonio San Antonio | 4h 16m layover 0h 40m - Houston | United Airlines | UA2676 UA2399 |
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 10, 2025
Flight Schedule Denver (Colorado) to San Antonio (Texas)
Full flight schedule will help you in detecting at what time planes fly from Denver to San Antonio. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
| Departure | Arrival | Flight Details | Flight Duration | Price |
|---|---|---|---|---|
|
09:35 — 12:43
|
09:35 — 12:43
UA2063
United Airlines
Denver — San Antonio
|
2h 8m |
Find flight
from$118 |
|
|
09:40 — 12:47
|
09:40 — 12:47
UA1131
United Airlines
Denver — San Antonio
|
2h 7m |
Find flight
from$112 |
|
|
09:40 — 12:48
|
09:40 — 12:48
UA1544
United Airlines
Denver — San Antonio
|
2h 8m |
Find flight
from$134 |
|
|
10:43 — 14:00
|
10:43 — 14:00
F92356
Frontier Airlines
Denver — San Antonio
|
2h 17m |
Find flight
from$64 |
|
|
13:41 — 16:51
|
13:41 — 16:51
UA1022
United Airlines
Denver — San Antonio
|
2h 10m |
Find flight
from$156 |
|
|
16:17 — 19:31
|
16:17 — 19:31
F92098
Frontier Airlines
Denver — San Antonio
|
2h 14m |
Find flight
from$87 |
|
|
17:45 — 20:56
|
17:45 — 20:56
UA1110
United Airlines
Denver — San Antonio
|
2h 11m |
Find flight
from$134 |
|
|
17:55 — 21:07
|
17:55 — 21:07
UA1762
United Airlines
Denver — San Antonio
|
2h 12m |
Find flight
from$170 |
|
|
20:43 — 23:59
|
20:43 — 23:59
UA1801
United Airlines
Denver — San Antonio
|
2h 16m |
Find flight
from$112 |
|
|
00:23 — 09:30
|
00:20 — 06:03
F91734
Frontier Airlines
Denver — Orlando
1h 30m stop
07:40 — 09:47
F91653
Frontier Airlines
Orlando — San Antonio
|
8h 7m including layover |
Find flight
from$102 |
|
|
05:02 — 10:56
|
05:02 — 08:31
UA320
United Airlines
Denver — Houston
1h 19m stop
09:50 — 10:56
UA1311
United Airlines
Houston — San Antonio
|
4h 54m including layover |
Find flight
from$185 |
|
|
05:10 — 10:37
|
05:02 — 08:26
UA320
United Airlines
Denver — Houston
55m stop
09:30 — 10:37
UA1371
United Airlines
Houston — San Antonio
|
4h 27m including layover |
Find flight
from$174 |
|
|
06:00 — 18:37
|
06:00 — 08:01
HA4868
Hawaiian Airlines
Denver — Seattle
4h 32m stop
12:33 — 18:37
HA6891
Hawaiian Airlines
Seattle — San Antonio
|
11h 37m including layover |
Find flight
from$205 |
|
|
07:45 — 15:26
|
07:45 — 11:13
UA1720
United Airlines
Denver — Houston
3h 8m stop
14:20 — 15:26
UA697
United Airlines
Houston — San Antonio
|
6h 41m including layover |
Find flight
from$182 |
|
|
07:45 — 13:19
|
07:45 — 11:14
UA1720
United Airlines
Denver — Houston
56m stop
12:10 — 13:19
UA6017
United Airlines
Houston — San Antonio
|
4h 34m including layover |
Find flight
from$185 |
|
|
08:00 — 18:37
|
08:00 — 10:00
HA4849
Hawaiian Airlines
Denver — Seattle
2h 31m stop
12:33 — 18:37
HA6891
Hawaiian Airlines
Seattle — San Antonio
|
9h 37m including layover |
Find flight
from$199 |
|
|
10:07 — 15:23
|
09:40 — 13:11
UA2676
United Airlines
Denver — Houston
40m stop
14:37 — 15:49
UA2399
United Airlines
Houston — San Antonio
|
4h 16m including layover |
Find flight
from$157 |
|
|
11:39 — 17:42
|
11:38 — 15:10
UA738
United Airlines
Denver — Houston
1h 24m stop
16:35 — 17:42
UA636
United Airlines
Houston — San Antonio
|
5h 3m including layover |
Find flight
from$185 |
|
|
11:39 — 19:12
|
11:38 — 15:10
UA738
United Airlines
Denver — Houston
2h 54m stop
18:30 — 19:37
UA1477
United Airlines
Houston — San Antonio
|
6h 33m including layover |
Find flight
from$185 |
|
|
12:05 — 13:08
+1 day
|
09:44 — 10:51
F91993
Frontier Airlines
Denver — Las Vegas
19h 13m stop
08:40 — 13:23
F93418
Frontier Airlines
Las Vegas — San Antonio
|
24h 3m including layover |
Find flight
from$114 |
|
|
13:30 — 21:17
|
13:30 — 16:58
UA1116
United Airlines
Denver — Houston
3h 12m stop
20:10 — 21:17
UA1542
United Airlines
Houston — San Antonio
|
6h 47m including layover |
Find flight
from$182 |
|
|
14:37 — 13:08
+1 day
|
13:33 — 14:39
F92349
Frontier Airlines
Denver — Las Vegas
16h 35m stop
08:40 — 13:23
F93418
Frontier Airlines
Las Vegas — San Antonio
|
21h 31m including layover |
Find flight
from$108 |
|
|
14:37 — 19:38
+1 day
|
14:37 — 15:46
F92349
Frontier Airlines
Denver — Las Vegas
23h 1m stop
14:47 — 19:38
F93420
Frontier Airlines
Las Vegas — San Antonio
|
28h 1m including layover |
Find flight
from$149 |
|
|
15:40 — 21:17
|
15:40 — 19:05
UA1299
United Airlines
Denver — Houston
1h 5m stop
20:10 — 21:17
UA1542
United Airlines
Houston — San Antonio
|
4h 37m including layover |
Find flight
from$182 |
|
|
15:40 — 22:48
|
15:40 — 19:05
UA1299
United Airlines
Denver — Houston
2h 40m stop
21:45 — 22:48
UA1475
United Airlines
Houston — San Antonio
|
6h 8m including layover |
Find flight
from$182 |
|
|
16:46 — 22:48
|
16:46 — 20:13
UA1202
United Airlines
Denver — Houston
1h 32m stop
21:45 — 22:48
UA1475
United Airlines
Houston — San Antonio
|
5h 2m including layover |
Find flight
from$182 |
|
|
17:59 — 09:47
+1 day
|
17:01 — 20:02
SY656
Sun Country Airlines
Denver — Minneapolis
10h stop
07:00 — 09:47
SY1835
Sun Country Airlines
Minneapolis — San Antonio
|
14h 48m including layover |
Find flight
from$152 |
|
|
18:38 — 08:42
+1 day
|
18:05 — 21:35
UA1299
United Airlines
Denver — Houston
9h 33m stop
07:20 — 08:31
UA2003
United Airlines
Houston — San Antonio
|
13h 4m including layover |
Find flight
from$213 |
|
|
19:45 — 08:42
+1 day
|
19:05 — 22:29
UA475
United Airlines
Denver — Houston
8h 25m stop
07:50 — 08:57
UA2003
United Airlines
Houston — San Antonio
|
11h 57m including layover |
Find flight
from$213 |
|
|
19:45 — 10:37
+1 day
|
19:05 — 22:29
UA475
United Airlines
Denver — Houston
10h 20m stop
09:30 — 10:37
UA1371
United Airlines
Houston — San Antonio
|
13h 52m including layover |
Find flight
from$213 |
|
|
20:31 — 10:37
+1 day
|
20:31 — 23:55
UA2419
United Airlines
Denver — Houston
9h 35m stop
09:30 — 10:37
UA1371
United Airlines
Houston — San Antonio
|
13h 6m including layover |
Find flight
from$213 |
|
|
22:29 — 19:38
+1 day
|
22:29 — 23:32
F9777
Frontier Airlines
Denver — Las Vegas
15h 15m stop
14:47 — 19:38
F93420
Frontier Airlines
Las Vegas — San Antonio
|
20h 9m including layover |
Find flight
from$149 |
|
*Departure and arrival times - local. Updated on July 10, 2025
Flight Information
Below we will explain in detail what the flights cost on the destination from Denver to San Antonio depends on and how to choose the most interesting flight option for you.
Distance between Denver and San Antonio is 1281 miles. Time difference between the cities is 1h. Airplanes depart 00:23 to 23:59 from 2 Denver airports and arrive 00:23 to 23:59 to 5 San Antonio airports. Average flight time is 2h 11m.
- The fastest flight 2h 7m
- Average flight time 2h 11m
- The earliest flight 00:23
- The latest flight 23:59
- Distance 796 ml
The cheapest months to travel to San Antonio are may (from 62 $), september (from 64 $), august (from 87 $).
The most expensive months are october (from 175 $), november (from 171 $), february (from 157 $).
What is the lowest airfare Denver to San Antonio?
The cheapest plane ticket found by our users is $64. This airfare is for economy class on one-way F92356 flight by Frontier Airlines for September 27, 2025 which leaves Denver International in Denver at 10:43 am and arrives at San Antonio San Antonio at 14:00.
Economy class
$64
Business class
?
First class
?
Popular Airlines on the Route
The flight Denver — San Antonio is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 27 departures per week at the price of from $ 207 . And the most expensive tickets are offered by United Airlines airline - from $ 662.
Direct flights
There are 9 nonstop flights on the route. The fastest direct flight is UA1131 by United Airlines takes 2h 7m and the cheapest is F92356 by Frontier Airlines for $64.
- F9 - Frontier Airlinesfrom $64Find
- UA - United Airlinesfrom $112Find
See more direct flights
Connecting Flights
There are 173 flights with layovers on the route. The fastest connecting flight is UA1918 by United Airlines takes 4h 9m and the cheapest is F92356 by Frontier Airlines for $102.
- AS - Alaska Airlinesfrom $207Find
- F9 - Frontier Airlinesfrom $102Find
- SY - Sun Country Airlinesfrom $152Find
- HA - Hawaiian Airlinesfrom $198Find
- UA - United Airlinesfrom $157Find
- G4 - Allegiant Airfrom $195Find
See more connecting flights
Airports
You can fly from Denver to San Antonio from 2 airports (Denver International, Arapahoe Co).
Denver airports
- Denver International-DENfrom $64Find
- Arapahoe Co-APAFind
San Antonio airports
- Randolph AFB-RNDFind
- Martindale AAF-MDAFind
- San Antonio-SATFind
- Kelly AFB-SKFFind
- Stinson Municipal-SSFFind
Airplanes
There are flights to San Antonio from Denver by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Denver
You may also consider searching for discounted plane tickets to some other popular places from Denver within United States.
- from $70Find
- from $59Find
- from $68Find
- from $75Find
- from $74Find
- from $66Find
- from $68Find
- from $57Find
- from $17Find
- from $67Find
Top International Destinations from Denver
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.
- from $66Find
- from $63Find
- from $75Find
- from $60Find
- from $60Find
- from $75Find
- from $66Find
- from $68Find
- from $69Find
- from $72Find
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.
To find a plane ticket, please select dates.