Cheap Flights from San Antonio, TX to Denver, CO from $50

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On Cheapflightsplus.com you will find 14 direct and 246 connecting flights from San Antonio to Denver. You can compare airfare deals from 7 airlines and multiple travel sites from $50, 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: $50 (one-way), $86 (round-trip).

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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 $50. The fastest direct flight takes 2h 20m and the fastest connecting – 4h 21m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $50 Find flight	11:32 San Antonio San Antonio	12:53 Denver Denver International	2h 21m	Frontier Airlines	F92355
from $72 Find flight	21:34 San Antonio San Antonio	22:58 Denver Denver International	2h 24m	Frontier Airlines	F92097
from $116 Find flight	11:22 San Antonio San Antonio	12:43 Denver Denver International	2h 21m	Frontier Airlines	F91945
from $129 Find flight	16:57 San Antonio San Antonio	18:19 Denver Denver International	2h 22m	United Airlines	UA680
from $129 Find flight	08:49 San Antonio San Antonio	10:12 Denver Denver International	2h 23m	United Airlines	UA1045
from $129 Find flight	16:50 San Antonio San Antonio	18:14 Denver Denver International	2h 24m	United Airlines	UA1884
from $153 Find flight	13:18 San Antonio San Antonio	14:42 Denver Denver International	2h 24m	United Airlines	UA1299
from $178 Find flight	11:13 San Antonio San Antonio	12:33 Denver Denver International	2h 20m	Frontier Airlines	F91371
from $186 Find flight	13:20 San Antonio San Antonio	14:42 Denver Denver International	2h 22m	United Airlines	UA591
from $233 Find flight	08:40 San Antonio San Antonio	10:03 Denver Denver International	2h 23m	United Airlines	UA639
from $273 Find flight	08:49 San Antonio San Antonio	10:11 Denver Denver International	2h 22m	United Airlines	UA791
from $59 Find flight	18:48 San Antonio San Antonio	23:48 Denver Denver International	6h 0m layover 0h 56m - Las Vegas	Frontier Airlines	F93417 F94612
from $74 Find flight	07:57 San Antonio San Antonio	23:54 Denver Denver International	16h 57m layover 9h 41m - Orlando	Frontier Airlines	F91654 F93311
from $140 Find flight	18:56 San Antonio San Antonio	23:34 Denver Denver International	5h 38m layover 1h 55m - Houston	United Airlines	UA5895 UA746
from $141 Find flight	16:00 San Antonio San Antonio	19:51 Denver Denver International	4h 51m layover 0h 58m - Houston	United Airlines	UA2157 UA1654
from $141 Find flight	07:21 San Antonio San Antonio	11:33 Denver Denver International	5h 12m layover 1h 19m - Houston	United Airlines	UA397 UA2358

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on March 10, 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
05:30 — 06:53	05:30 — 06:53 UA1481 United Airlines San Antonio — Denver	2h 23m	Find flight from$161
08:40 — 10:03	08:40 — 10:03 UA639 United Airlines San Antonio — Denver	2h 23m	Find flight from$233
08:49 — 10:12	08:49 — 10:12 UA1045 United Airlines San Antonio — Denver	2h 23m	Find flight from$129
08:49 — 10:11	08:49 — 10:11 UA2312 United Airlines San Antonio — Denver	2h 22m	Find flight from$174
08:49 — 10:11	08:49 — 10:11 UA791 United Airlines San Antonio — Denver	2h 22m	Find flight from$273
11:13 — 12:33	11:13 — 12:33 F91371 Frontier Airlines San Antonio — Denver	2h 20m	Find flight from$178
11:22 — 12:43	11:22 — 12:43 F91945 Frontier Airlines San Antonio — Denver	2h 21m	Find flight from$116
11:32 — 12:53	11:32 — 12:53 F92355 Frontier Airlines San Antonio — Denver	2h 21m	Find flight from$50
13:18 — 14:42	13:18 — 14:42 UA1299 United Airlines San Antonio — Denver	2h 24m	Find flight from$153
13:20 — 14:42	13:20 — 14:42 UA591 United Airlines San Antonio — Denver	2h 22m	Find flight from$186
13:20 — 14:42	13:20 — 14:42 UA2671 United Airlines San Antonio — Denver	2h 22m	Find flight from$194
16:50 — 18:14	16:50 — 18:14 UA1884 United Airlines San Antonio — Denver	2h 24m	Find flight from$129
16:57 — 18:19	16:57 — 18:19 UA680 United Airlines San Antonio — Denver	2h 22m	Find flight from$129
21:34 — 22:58	21:34 — 22:58 F92097 Frontier Airlines San Antonio — Denver	2h 24m	Find flight from$72
05:30 — 10:06	05:30 — 06:40 UA6189 United Airlines San Antonio — Houston 1h 40m stop 08:20 — 10:06 UA295 United Airlines Houston — Denver	5h 36m including layover	Find flight from$141
05:30 — 11:33	05:30 — 06:40 UA6189 United Airlines San Antonio — Houston 3h 7m stop 09:47 — 11:33 UA2358 United Airlines Houston — Denver	7h 3m including layover	Find flight from$141
07:21 — 11:33	07:21 — 08:28 UA397 United Airlines San Antonio — Houston 1h 19m stop 09:47 — 11:33 UA2358 United Airlines Houston — Denver	5h 12m including layover	Find flight from$141
07:57 — 23:54	19:10 — 22:57 F91654 Frontier Airlines San Antonio — Orlando 9h 41m stop 21:15 — 23:35 F93311 Frontier Airlines Orlando — Denver	16h 57m including layover	Find flight from$74
09:40 — 14:26	09:40 — 10:47 UA2105 United Airlines San Antonio — Houston 1h 53m stop 12:40 — 14:26 UA1333 United Airlines Houston — Denver	5h 46m including layover	Find flight from$188
09:45 — 14:34	09:45 — 10:49 UA1540 United Airlines San Antonio — Houston 2h 6m stop 12:55 — 14:34 UA797 United Airlines Houston — Denver	5h 49m including layover	Find flight from$197
12:08 — 16:25	12:08 — 13:12 UA1333 United Airlines San Antonio — Houston 1h 33m stop 14:45 — 16:25 UA1333 United Airlines Houston — Denver	5h 17m including layover	Find flight from$192
12:26 — 16:28	12:05 — 13:12 UA1282 United Airlines San Antonio — Houston 1h 16m stop 14:50 — 16:32 UA241 United Airlines Houston — Denver	5h 2m including layover	Find flight from$164
14:13 — 18:04	14:13 — 15:16 UA2657 United Airlines San Antonio — Houston 1h 9m stop 16:25 — 18:04 UA531 United Airlines Houston — Denver	4h 51m including layover	Find flight from$198
14:27 — 19:51	14:27 — 15:34 UA2498 United Airlines San Antonio — Houston 2h 31m stop 18:05 — 19:51 UA1654 United Airlines Houston — Denver	6h 24m including layover	Find flight from$164
17:48 — 23:44	17:48 — 18:55 UA465 United Airlines San Antonio — Houston 3h 12m stop 22:07 — 23:44 UA1338 United Airlines Houston — Denver	6h 56m including layover	Find flight from$141
17:50 — 22:00	17:50 — 18:54 UA2095 United Airlines San Antonio — Houston 1h 27m stop 20:21 — 22:00 UA1780 United Airlines Houston — Denver	5h 10m including layover	Find flight from$186
18:48 — 23:48	18:48 — 19:48 F93417 Frontier Airlines San Antonio — Las Vegas 56m stop 20:44 — 23:48 F94612 Frontier Airlines Las Vegas — Denver	6h including layover	Find flight from$59
18:56 — 23:34	18:56 — 20:05 UA5895 United Airlines San Antonio — Houston 1h 55m stop 22:00 — 23:34 UA746 United Airlines Houston — Denver	5h 38m including layover	Find flight from$140
19:10 — 15:11 +1 day	19:10 — 22:57 F91654 Frontier Airlines San Antonio — Orlando 13h 57m stop 12:54 — 15:11 F94919 Frontier Airlines Orlando — Denver	21h 1m including layover	Find flight from$76
19:10 — 08:39 +1 day	19:10 — 22:57 F91654 Frontier Airlines San Antonio — Orlando 7h 23m stop 06:20 — 08:39 F91733 Frontier Airlines Orlando — Denver	14h 29m including layover	Find flight from$98
20:20 — 09:27 +1 day	18:48 — 19:48 F93417 Frontier Airlines San Antonio — Las Vegas 8h 59m stop 16:45 — 19:48 F93844 Frontier Airlines Las Vegas — Denver	14h 7m including layover	Find flight from$84
20:21 — 23:14 +1 day	20:21 — 23:59 F92680 Frontier Airlines San Antonio — Orlando 21h stop 20:59 — 23:14 F93311 Frontier Airlines Orlando — Denver	27h 53m including layover	Find flight from$185
22:53 — 03:59 +1 day	18:48 — 19:48 F93417 Frontier Airlines San Antonio — Las Vegas 1h 2m stop 00:59 — 03:59 F92430 Frontier Airlines Las Vegas — Denver	6h 6m including layover	Find flight from$62
22:53 — 09:14 +1 day	18:48 — 19:48 F93417 Frontier Airlines San Antonio — Las Vegas 6h 8m stop 06:30 — 09:38 F91994 Frontier Airlines Las Vegas — Denver	11h 21m including layover	Find flight from$62

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 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 05:00 to 22:53 from 5 San Antonio airports and arrive 05:00 to 22:53 to 2 Denver airports. Average flight time is 2h 22m.

The fastest flight 2h 20m
Average flight time 2h 22m
The earliest flight 05:00
The latest flight 22:53
Distance 796 ml

The cheapest months to travel to Denver are november (from 50 $), december (from 72 $), february (from 74 $).

The most expensive months are january (from 97 $), february (from 74 $), december (from 72 $).

What is the lowest airfare San Antonio to Denver?

The cheapest plane ticket found by our users is $50. This airfare is for economy class on one-way F92355 flight by Frontier Airlines for November 13, 2024 which leaves San Antonio in San Antonio at 11:32 am and arrives at Denver Denver International at 12:53.

Economy class

$50

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Business class

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First class

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Popular Airlines on the Route

The flight San Antonio — Denver is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 29 departures per week at the price of from $ 253 . And the most expensive tickets are offered by United Airlines airline - from $ 1118.

Direct flights

There are 14 nonstop flights on the route. The fastest direct flight is F91371 by Frontier Airlines takes 2h 20m and the cheapest is F92355 by Frontier Airlines for $50.

F9 - Frontier Airlines

from $50

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UA - United Airlines

from $129

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Connecting Flights

There are 246 flights with layovers on the route. The fastest connecting flight is UA2157 by United Airlines takes 4h 21m and the cheapest is F92355 by Frontier Airlines for $59.

AS - Alaska Airlines

from $253

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F9 - Frontier Airlines

from $59

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Y4 - Volaris

from $356

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UA - United Airlines

from $140

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VB - VivaAerobus

from $379

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AM - Aeromexico

from $424

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NK - Spirit Airlines

from $385

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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

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Martindale AAF-MDA

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San Antonio-SAT

from $50
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Kelly AFB-SKF

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Stinson Municipal-SSF

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Denver airports

Denver International-DEN

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Arapahoe Co-APA

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Airplanes

There are flights to Denver from San Antonio by 7 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

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San Antonio — Dallas

from $75

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San Antonio — New York

from $74

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San Antonio — Chicago

from $73

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San Antonio — Denver

from $80

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San Antonio — Seattle

from $67

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San Antonio — Houston

from $63

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San Antonio — Miami

from $70

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San Antonio — Los Angeles

from $57

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San Antonio — Atlanta

from $60

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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.

San Antonio — Cancun

from $79

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San Antonio — Mexico City

from $73

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San Antonio — Guadalajara

from $65

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San Antonio — Toronto

from $61

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San Antonio — Vancouver

from $75

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San Antonio — Puerto Vallarta

from $54

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San Antonio — San Juan

from $76

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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.
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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.
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