Cheap Flights from Denver, CO to San Antonio, TX from $33

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On Cheapflightsplus.com you will find 6 direct and 253 connecting flights from Denver to San Antonio. You can compare airfare deals from 7 airlines and multiple travel sites from $33, 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: $33 (one-way), $57 (round-trip).

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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 $33. The fastest direct flight takes 2h 12m and the fastest connecting – 4h 20m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $33 Find flight	05:06 Denver Denver International	08:19 San Antonio San Antonio	2h 13m	Frontier Airlines	F92356
from $114 Find flight	20:25 Denver Denver International	23:38 San Antonio San Antonio	2h 13m	United Airlines	UA2028
from $128 Find flight	09:55 Denver Denver International	13:07 San Antonio San Antonio	2h 12m	United Airlines	UA1131
from $152 Find flight	17:25 Denver Denver International	20:37 San Antonio San Antonio	2h 12m	United Airlines	UA1762
from $152 Find flight	13:41 Denver Denver International	16:54 San Antonio San Antonio	2h 13m	United Airlines	UA1022
from $319 Find flight	20:30 Denver Denver International	23:44 San Antonio San Antonio	2h 14m	United Airlines	UA1103
from $62 Find flight	22:45 Denver Denver International	11:29+1 день San Antonio San Antonio	11h 44m layover 6h 52m - Las Vegas	Frontier Airlines	F93539 F93418
from $62 Find flight	18:33 Denver Denver International	11:29+1 день San Antonio San Antonio	15h 56m layover 11h 8m - Las Vegas	Frontier Airlines	F94967 F93418
from $65 Find flight	22:21 Denver Denver International	15:26+1 день San Antonio San Antonio	16h 5m layover 11h 11m - Las Vegas	Frontier Airlines	F94611 F93418
from $71 Find flight	08:00 Denver Denver International	14:41 San Antonio San Antonio	5h 41m layover 0h 55m - Las Vegas	Frontier Airlines	F92015 F93418
from $71 Find flight	14:21 Denver Denver International	11:29+1 день San Antonio San Antonio	20h 8m layover 15h 21m - Las Vegas	Frontier Airlines	F92429 F93418
from $76 Find flight	23:17 Denver Denver International	16:57+1 день San Antonio San Antonio	16h 40m layover 9h 48m - Orlando	Frontier Airlines	F94920 F91653
from $87 Find flight	00:50 Denver Denver International	18:10 San Antonio San Antonio	16h 20m layover 9h 27m - Orlando	Frontier Airlines	F91734 F91653
from $141 Find flight	09:40 Denver Denver International	15:42 San Antonio San Antonio	5h 2m layover 1h 19m - Houston	United Airlines	UA2676 UA2399
from $141 Find flight	05:00 Denver Denver International	11:07 San Antonio San Antonio	5h 7m layover 1h 24m - Houston	United Airlines	UA320 UA2857
from $141 Find flight	05:00 Denver Denver International	13:24 San Antonio San Antonio	7h 24m layover 3h 41m - Houston	United Airlines	UA320 UA492

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on March 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	Flight Details	Flight Duration	Price
05:06 — 08:19	05:06 — 08:19 F92356 Frontier Airlines Denver — San Antonio	2h 13m	Find flight from$33
09:55 — 13:07	09:55 — 13:07 UA1131 United Airlines Denver — San Antonio	2h 12m	Find flight from$128
13:41 — 16:54	13:41 — 16:54 UA1022 United Airlines Denver — San Antonio	2h 13m	Find flight from$152
17:25 — 20:37	17:25 — 20:37 UA1762 United Airlines Denver — San Antonio	2h 12m	Find flight from$152
20:25 — 23:38	20:25 — 23:38 UA2028 United Airlines Denver — San Antonio	2h 13m	Find flight from$114
20:30 — 23:44	20:30 — 23:44 UA1103 United Airlines Denver — San Antonio	2h 14m	Find flight from$319
00:50 — 18:10	00:50 — 06:33 F91734 Frontier Airlines Denver — Orlando 9h 27m stop 16:00 — 18:10 F91653 Frontier Airlines Orlando — San Antonio	16h 20m including layover	Find flight from$87
05:00 — 11:07	05:00 — 08:31 UA320 United Airlines Denver — Houston 1h 24m stop 09:55 — 11:07 UA2857 United Airlines Houston — San Antonio	5h 7m including layover	Find flight from$141
06:00 — 17:42	06:00 — 11:32 F93312 Frontier Airlines Denver — Orlando 4h stop 16:00 — 18:10 F91653 Frontier Airlines Orlando — San Antonio	10h 42m including layover	Find flight from$176
07:00 — 18:25	07:00 — 09:06 AS643 Alaska Airlines Denver — Seattle 3h 22m stop 12:28 — 18:25 AS494 Alaska Airlines Seattle — San Antonio	10h 25m including layover	Find flight from$188
07:45 — 13:24	07:45 — 11:15 UA1720 United Airlines Denver — Houston 57m stop 12:12 — 13:24 UA492 United Airlines Houston — San Antonio	4h 39m including layover	Find flight from$188
08:00 — 14:41	06:00 — 07:09 F92015 Frontier Airlines Denver — Las Vegas 55m stop 13:00 — 17:47 F93418 Frontier Airlines Las Vegas — San Antonio	5h 41m including layover	Find flight from$71
09:40 — 15:42	09:40 — 13:11 UA2676 United Airlines Denver — Houston 1h 19m stop 14:37 — 15:49 UA2399 United Airlines Houston — San Antonio	5h 2m including layover	Find flight from$141
11:22 — 19:13	11:22 — 14:50 UA1402 United Airlines Denver — Houston 3h 15m stop 18:05 — 19:13 UA1244 United Airlines Houston — San Antonio	6h 51m including layover	Find flight from$187
11:30 — 19:28	11:30 — 14:58 UA273 United Airlines Denver — Houston 3h 22m stop 18:20 — 19:28 UA2636 United Airlines Houston — San Antonio	6h 58m including layover	Find flight from$188
12:45 — 19:22	12:45 — 16:16 UA514 United Airlines Denver — Houston 1h 54m stop 18:10 — 19:22 UA1477 United Airlines Houston — San Antonio	5h 37m including layover	Find flight from$164
12:45 — 21:18	12:45 — 16:16 UA514 United Airlines Denver — Houston 3h 50m stop 20:06 — 21:18 UA1589 United Airlines Houston — San Antonio	7h 33m including layover	Find flight from$164
13:45 — 19:22	13:45 — 17:16 UA271 United Airlines Denver — Houston 54m stop 18:10 — 19:22 UA1477 United Airlines Houston — San Antonio	4h 37m including layover	Find flight from$164
14:21 — 11:29 +1 day	15:19 — 16:22 F92429 Frontier Airlines Denver — Las Vegas 15h 21m stop 13:00 — 17:47 F93418 Frontier Airlines Las Vegas — San Antonio	20h 8m including layover	Find flight from$71
15:40 — 21:18	15:40 — 19:04 UA489 United Airlines Denver — Houston 1h 6m stop 20:10 — 21:18 UA1338 United Airlines Houston — San Antonio	4h 38m including layover	Find flight from$163
15:40 — 23:10	15:40 — 19:04 UA489 United Airlines Denver — Houston 3h 1m stop 22:05 — 23:10 UA1186 United Airlines Houston — San Antonio	6h 30m including layover	Find flight from$163
17:27 — 23:10	17:27 — 20:50 UA726 United Airlines Denver — Houston 1h 15m stop 22:05 — 23:10 UA1186 United Airlines Houston — San Antonio	4h 43m including layover	Find flight from$163
18:33 — 11:29 +1 day	18:33 — 19:37 F94967 Frontier Airlines Denver — Las Vegas 11h 8m stop 13:00 — 17:47 F93418 Frontier Airlines Las Vegas — San Antonio	15h 56m including layover	Find flight from$62
19:50 — 05:30 +1 day	19:50 — 22:00 AS705 Alaska Airlines Denver — Seattle 1h 31m stop 23:31 — 05:30 AS446 Alaska Airlines Seattle — San Antonio	8h 40m including layover	Find flight from$209
22:21 — 15:26 +1 day	22:42 — 23:50 F94611 Frontier Airlines Denver — Las Vegas 11h 11m stop 13:00 — 17:47 F93418 Frontier Airlines Las Vegas — San Antonio	16h 5m including layover	Find flight from$65
22:45 — 11:29 +1 day	22:43 — 23:51 F93539 Frontier Airlines Denver — Las Vegas 6h 52m stop 13:00 — 17:47 F93418 Frontier Airlines Las Vegas — San Antonio	11h 44m including layover	Find flight from$62
23:17 — 16:57 +1 day	19:21 — 01:04 F94920 Frontier Airlines Denver — Orlando 9h 48m stop 16:00 — 18:10 F91653 Frontier Airlines Orlando — San Antonio	16h 40m including layover	Find flight from$76
19:05 — 16:56 +1 day	19:05 — 22:03 SY658 Sun Country Airlines Denver — Minneapolis 10h 11m stop 08:14 — 12:57 SY753 Sun Country Airlines Minneapolis — Miami 1h 35m stop 14:32 — 16:56 NK1446 Spirit Airlines Miami — San Antonio	20h 51m including layover	Find flight from$210

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on March 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 00:50 to 23:59 from 2 Denver airports and arrive 00:50 to 23:59 to 5 San Antonio airports. Average flight time is 2h 13m.

The fastest flight 2h 12m
Average flight time 2h 13m
The earliest flight 00:50
The latest flight 23:59
Distance 796 ml

The cheapest months to travel to San Antonio are november (from 33 $), february (from 50 $), december (from 59 $).

The most expensive months are january (from 141 $), december (from 59 $), february (from 50 $).

What is the lowest airfare Denver to San Antonio?

The cheapest plane ticket found by our users is $33. This airfare is for economy class on one-way F92356 flight by Frontier Airlines for February 21, 2025 which leaves Denver International in Denver at 05:06 am and arrives at San Antonio San Antonio at 08:19.

Economy class

$33

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Business class

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First class

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Popular Airlines on the Route

The flight Denver — San Antonio is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 28 departures per week at the price of from $ 188 . And the most expensive tickets are offered by Aeromexico airline - from $ 770.

Direct flights

There are 6 nonstop flights on the route. The fastest direct flight is UA1131 by United Airlines takes 2h 12m and the cheapest is F92356 by Frontier Airlines for $33.

F9 - Frontier Airlines

from $33

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UA - United Airlines

from $114

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Connecting Flights

There are 253 flights with layovers on the route. The fastest connecting flight is UA263 by United Airlines takes 4h 20m and the cheapest is F92356 by Frontier Airlines for $62.

AS - Alaska Airlines

from $188

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F9 - Frontier Airlines

from $62

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SY - Sun Country Airlines

from $210

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Y4 - Volaris

from $369

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UA - United Airlines

from $141

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VB - VivaAerobus

from $314

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AM - Aeromexico

from $363

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Airports

You can fly from Denver to San Antonio from 2 airports (Denver International, Arapahoe Co).

Denver airports

Denver International-DEN

from $33
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Arapahoe Co-APA

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San Antonio airports

Randolph AFB-RND

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Martindale AAF-MDA

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San Antonio-SAT

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Kelly AFB-SKF

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Stinson Municipal-SSF

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Airplanes

There are flights to San Antonio from Denver by 7 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.

Denver — Las Vegas

from $70

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Denver — Phoenix

from $59

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Denver — Boston

from $68

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Denver — Seattle

from $75

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Denver — Orlando

from $74

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Denver — Chicago

from $66

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Denver — Miami

from $68

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Denver — Tampa

from $57

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Denver — Los Angeles

from $17

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Denver — Houston

from $67

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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.

Denver — Cancun

from $66

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Denver — London

from $63

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Denver — Tokyo

from $75

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Denver — Vancouver

from $60

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Denver — Toronto

from $60

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Denver — Paris

from $75

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Denver — Mexico City

from $66

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Denver — Calgary

from $68

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Denver — Dublin

from $69

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Denver — San Jose

from $72

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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»
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.