San Antonio

$23+ Cheap flights from Colorado to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SAT
mar 5 — mar 121
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Cheap flight deals from Colorado to San Antonio

Cheapest flights from Colorado to San Antonio
Explore the most affordable flight options available from Colorado to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on fevereiro 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 2/252:00 pm
DEN
-
SAT
Nonstop2h 15m
Frontier
sáb 2/287:56 pm
SAT
-
DEN
Nonstop2h 25m
Frontier
Deal found 2/2$87
This Frontier deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 2/252:00 pm
DEN
-
SAT
Nonstop2h 15m
Frontier
seg 3/28:22 pm
SAT
-
DEN
Nonstop2h 25m
Frontier
Deal found 2/1$88
This Super.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 2/264:08 pm
DEN
-
SAT
Nonstop2h 17m
Frontier
ter 3/35:36 pm
SAT
-
DEN
Nonstop2h 24m
Frontier
Deal found 2/1$91
This Expedia deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 2/256:20 pm
DEN
-
SAT
1 stop17h 52m
Frontier
qua 3/46:12 pm
SAT
-
DEN
Nonstop2h 25m
Frontier
Deal found 2/1$92
This Super.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 3/189:00 pm
DEN
-
SAT
Nonstop2h 17m
Frontier
sáb 3/216:45 am
SAT
-
DEN
Nonstop2h 23m
Frontier
Deal found 2/3$93
This Super.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 2/213:45 pm
DEN
-
SAT
Nonstop2h 16m
Frontier
seg 2/238:22 pm
SAT
-
DEN
Nonstop2h 25m
Frontier
Deal found 2/1$96
This Super.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 3/125:45 am
DEN
-
SAT
Nonstop2h 21m
Frontier
sex 3/136:45 am
SAT
-
DEN
Nonstop2h 23m
Frontier
Deal found 2/1$103
This CheapOair deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 3/209:00 pm
DEN
-
SAT
Nonstop2h 17m
Frontier
qua 3/256:45 am
SAT
-
DEN
Nonstop2h 23m
Frontier
Deal found 1/31$104
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 2/2812:00 pm
COS
-
SAT
1 stop8h 28m
Delta
qua 3/45:30 am
SAT
-
COS
1 stop7h 55m
Delta
Deal found 2/2$257
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 11/31:15 pm
DRO
-
SAT
1 stop6h 52m
United Airlines
sáb 11/78:55 am
SAT
-
DRO
1 stop4h 30m
United Airlines
Deal found 2/2$270
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 3/37:55 am
COS
-
SAT
1 stop8h 09m
Delta
ter 3/107:00 am
SAT
-
COS
1 stop5h 24m
Delta
Deal found 2/2$287
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 3/35:59 am
COS
-
SAT
2 stops6h 09m
United Airlines
ter 3/104:40 pm
SAT
-
COS
1 stop5h 24m
United Airlines
Deal found 2/2$292

Find flight deals from Colorado to San Antonio

Keep the following information in mind while searching for Colorado to San Antonio flight deals. Data was last updated fevereiro 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$87
(Kiwi.com)

One-way from

$23
(Expedia)

Popular in

April

Cheapest in

September

Average price

$217

Good round-trip deal

$120 or less

Good one-way deal

$84 or less
Provider with most accurate pricing for Denver Intl-San Antonio flight deals.
Provider most trusted by Cheapflights users for Denver Intl-San Antonio flights.
From Colorado to San Antonio
One-way flight from Colorado to San Antonio
Highest demand for flights based on searches. 8% potential increase in price ($18 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Colorado to San Antonio.
Price to beat on a one-way flight from Colorado to San Antonio.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated fevereiro 3, 2026.
Use the filters below to find and compare flights from Colorado to San Antonio that are best for you.

Fly from

Colorado

Fly to

San Antonio

Route

Depart

Return

Price

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

sáb 2/21

3:45 pm-7:01 pm

Nonstop2h 16m

San Antonio

seg 2/23

8:22 pm-9:47 pm

Nonstop2h 25m

$96

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

seg 2/23

4:20 pm-7:37 pm

Nonstop2h 17m

San Antonio

ter 3/3

5:36 pm-7:00 pm

Nonstop2h 24m

$116

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

sáb 3/7

5:45 am-9:06 am

Nonstop2h 21m

San Antonio

seg 3/9

8:53 pm-8:20 am

1 stop12h 27m

$122

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

seg 2/23

4:20 pm-7:37 pm

Nonstop2h 17m

San Antonio

qua 2/25

6:12 pm-7:37 pm

Nonstop2h 25m

$123

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

seg 3/23

9:00 pm-12:17 am

Nonstop2h 17m

San Antonio

qui 3/26

4:54 pm-12:18 am

1 stop8h 24m

$149

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

seg 2/23

4:20 pm-7:37 pm

Nonstop2h 17m

San Antonio

ter 3/3

10:26 am-7:39 am

2 stops22h 13m

$156

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

ter 3/3

11:59 pm-9:30 am

3 stops32h 31m

San Antonio

ter 3/10

6:45 am-8:08 am

Nonstop2h 23m

$158

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

sex 2/20

4:20 pm-7:37 pm

Nonstop2h 17m

San Antonio

seg 2/23

1:57 pm-8:20 am

1 stop19h 23m

$162

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

sáb 2/28

12:09 am-4:19 pm

1 stop15h 10m

San Antonio

ter 3/3

5:36 pm-7:00 pm

Nonstop2h 24m

$165

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

qua 2/18

2:00 pm-5:15 pm

Nonstop2h 15m

San Antonio

dom 2/22

7:07 pm-8:32 pm

Nonstop2h 25m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 51 results
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Best time to book a flight from Colorado to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to San Antonio

What is the cheapest month to book a flight from Colorado to San Antonio?

Currently, January is the cheapest month in which you can book a flight from Colorado to San Antonio (average of $54). Flying from Colorado to San Antonio in July is currently the most expensive (average of $90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to SAT?

Find hourly flight availability from Colorado to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated fevereiro 3, 2026.

A simple way to save on the total cost of your ticket is to fly from Colorado to San Antonio in the afternoon. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Colorado to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Colorado to San Antonio. Price data was last updated on December 6, 2025.

Travelers seeking maximum savings on their Colorado to San Antonio flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Colorado to San Antonio

Explore weekly flight availability from Colorado to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated fevereiro 3, 2026.

The most flights from USCO to SAT are scheduled on a Friday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).

Related info for your journey

Find useful and relevant information for your journey from Colorado to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Antonio from Colorado?

    Located just 7.6 mi from the city center, San Antonio (SAT) is the airport most travelers will use when flying to San Antonio from Colorado.

  • How popular is this Colorado to San Antonio flight route?

  • How long is the flight from Colorado to San Antonio?

    A quick flight from Colorado to San Antonio can take about 2h 16m. Frontier provides one of the quickest options available for as low as $96. Colorado and San Antonio are separated by a distance of 795 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Colorado to San Antonio one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $36. Users have also found prices from $86 and $88 on United Airlines and Southwest, respectively.

  • What are the most popular routes from Colorado to San Antonio?

  • What are the most reliable airlines from Colorado to San Antonio?

    Consider United Airlines (88%), Air Canada (85%) or SkyWest Airlines (83%) when booking your flight. These represent the most reliable airlines when flying from Colorado to San Antonio.

  • What are the cheapest flights from Colorado to San Antonio?

    On average you can expect to pay $379 for a flight from Colorado to San Antonio. The cheapest flight overall is $29 while the most popular route, (Denver Intl - San Antonio) is currently priced at $132.

  • Can I find deals for flights from Colorado to San Antonio that include hotel bookings?

    Yes. In addition to deals on Colorado to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to San Antonio.

  • Can I find deals for business class flights from Colorado to San Antonio?

    Yes. Cheapflights offers flight deals from Colorado to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to San Antonio?

    Currently, January is the cheapest month in which you can book a flight from Colorado to San Antonio (average of $54). Flying from Colorado to San Antonio in July is currently the most expensive (average of $90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for Colorado to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Colorado to San Antonio

Discover the top 4 airlines that operate flights from Colorado to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated fevereiro 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$176FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$130Average$408FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$196Average$350FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$324FlexibilityNo cancel feeOn-time63%

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