Cheap Flights from San Antonio, TX to Denver, CO from $112

One way Round trip

Adults

Children under 12

Infants under 2 without place

Economy

Business

First

done

Return flight: Denver – San Antonio

Page navigation

Price Calendar Cheap Flights Flights Schedule

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

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: $112 (one-way), $192 (round-trip).

Direct flights

Check to choose departure date Check to choose departure date

Check prices for return flight

Find flights

Best Flights from San Antonio to Denver Today

Take a look at the list of non stop flights and flights with layovers from San Antonio to Denver with the lowest price of $112. The fastest direct flight takes 2h 17m and the fastest connecting – 4h 42m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $112 Find flight	05:15 San Antonio San Antonio	06:34 Denver Denver International	2h 19m	United Airlines	UA1399
from $112 Find flight	16:36 San Antonio San Antonio	18:08 Denver Denver International	2h 32m	United Airlines	UA624
from $124 Find flight	08:55 San Antonio San Antonio	10:12 Denver Denver International	2h 17m	United Airlines	UA2082
from $156 Find flight	13:43 San Antonio San Antonio	15:00 Denver Denver International	2h 17m	United Airlines	UA1299
from $186 Find flight	17:56 San Antonio San Antonio	23:38 Denver Denver International	6h 42m layover 2h 55m - Houston	United Airlines	UA2170 UA1338
from $200 Find flight	12:13 San Antonio San Antonio	16:40 Denver Denver International	5h 27m layover 1h 29m - Houston	United Airlines	UA6104 UA241
from $200 Find flight	09:56 San Antonio San Antonio	16:40 Denver Denver International	7h 44m layover 3h 48m - Houston	United Airlines	UA1798 UA241
from $214 Find flight	16:17 San Antonio San Antonio	19:59 Denver Denver International	4h 42m layover 0h 40m - Houston	United Airlines	UA6153 UA1654
from $214 Find flight	05:30 San Antonio San Antonio	11:50 Denver Denver International	7h 20m layover 3h 39m - Houston	United Airlines	UA469 UA2723
from $216 Find flight	05:30 San Antonio San Antonio	09:55 Denver Denver International	5h 25m layover 1h 49m - Houston	United Airlines	UA469 UA2714
from $243 Find flight	05:30 San Antonio San Antonio	12:52 Denver Denver International	8h 22m layover 4h 40m - Houston	United Airlines	UA469 UA434
from $248 Find flight	12:55 San Antonio San Antonio	20:36 Denver Denver International	8h 41m layover 2h 42m - Chicago	United Airlines	UA1905 UA767
from $249 Find flight	07:30 San Antonio San Antonio	11:50 Denver Denver International	5h 20m layover 1h 39m - Houston	United Airlines	UA1486 UA2723
from $249 Find flight	17:20 San Antonio San Antonio	23:22 Denver Denver International	7h 2m layover 1h 7m - Chicago	United Airlines	UA5869 UA1748
from $263 Find flight	06:45 San Antonio San Antonio	14:46 Denver Denver International	9h 1m layover 3h 20m - Chicago	United Airlines	UA2629 UA622
from $268 Find flight	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

Show all tickets

*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 30, 2025

Flight Schedule San Antonio (Texas) to Denver (Colorado)

Full flight schedule will help you in detecting at what time planes fly from San Antonio to Denver. 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
05:15 — 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

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

*Departure and arrival times - local. Updated on July 30, 2025

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.

Economy class

$112

Find

Business class

Find

First class

Find

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 Airlines

from $112

Find

See more direct flights

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 Airlines

from $292

Find
F9 - Frontier Airlines

from $326

Find
HA - Hawaiian Airlines

from $325

Find
UA - United Airlines

from $186

Find
NK - Spirit Airlines

from $535

Find

See more connecting flights

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-RND

Find
Martindale AAF-MDA

Find
San Antonio-SAT

from $112
Find
Kelly AFB-SKF

Find
Stinson Municipal-SSF

Find

Denver airports

Denver International-DEN

Find
Arapahoe Co-APA

Find

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.

San Antonio — Las Vegas

from $55

Find
San Antonio — Dallas

from $75

Find
San Antonio — New York

from $74

Find
San Antonio — Chicago

from $73

Find
San Antonio — Denver

from $80

Find
San Antonio — Seattle

from $67

Find
San Antonio — Houston

from $63

Find
San Antonio — Miami

from $70

Find
San Antonio — Los Angeles

from $57

Find
San Antonio — Atlanta

from $60

Find

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.

San Antonio — Cancun

from $79

Find
San Antonio — Mexico City

from $73

Find
San Antonio — Guadalajara

from $65

Find
San Antonio — Toronto

from $61

Find
San Antonio — Vancouver

from $75

Find
San Antonio — Puerto Vallarta

from $54

Find
San Antonio — San Juan

from $76

Find

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.