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$42+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SAT
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheap 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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$109
(Kiwi.com)

One-way from

$42
(Expedia)

Popular in

December

Cheapest in

August

Average price

$213

Good round-trip deal

$138 or less

Good one-way deal

$70 or less
Provider with most accurate pricing for Denver Intl-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-San Antonio flights.
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From Colorado to San Antonio
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One-way flight from Colorado to San Antonio
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Highest demand for flights based on searches. 24% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Colorado to San Antonio.
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Price to beat on a one-way flight from Colorado to San Antonio.
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Find 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 April 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/53:31 pmDEN - SAT
Nonstop2h 19mFrontier
Sat 6/77:50 pmSAT - DEN
Nonstop2h 26mFrontier
Deal found 4/1$109
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Wed 4/301:46 pmDEN - SAT
Nonstop2h 12mUnited Airlines
Wed 5/74:53 pmSAT - DEN
Nonstop2h 23mUnited Airlines
Deal found 4/2$196
This Southwest deal was found by Cheapflights users on 4/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/99:45 amDEN - SAT
Nonstop2h 10mSouthwest
Sun 5/118:15 pmSAT - DEN
Nonstop2h 30mSouthwest
Deal found 4/3$224
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:55 amDEN - SAT
1 stop9h 18mDelta
Mon 5/124:15 pmSAT - DEN
1 stop9h 01mDelta
Deal found 4/1$237
This Expedia deal was found by Cheapflights users on 4/1. 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.
Tue 4/221:35 pmDEN - SAT
Nonstop2h 17mMultiple Airlines
Tue 4/296:35 amSAT - DEN
1 stop8h 03mMultiple Airlines
Deal found 4/1$243
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/214:43 pmCOS - SAT
1 stop6h 15mAmerican Airlines
Wed 5/288:34 pmSAT - COS
1 stop4h 11mAmerican Airlines
Deal found 4/2$247
This Southwest deal was found by Cheapflights users on 4/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:05 amCOS - SAT
1 stop7h 00mSouthwest
Wed 5/285:15 pmSAT - COS
2 stops6h 25mSouthwest
Deal found 4/2$277
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2412:13 pmDEN - SAT
1 stop4h 19mAmerican Airlines
Sun 4/276:02 amSAT - DEN
1 stop4h 45mAmerican Airlines
Deal found 4/2$281
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1912:25 pmDRO - SAT
1 stop7h 30mAmerican Airlines
Sat 4/265:50 amSAT - DRO
1 stop6h 21mAmerican Airlines
Deal found 4/2$288
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Thu 6/51:45 pmGJT - SAT
1 stop6h 19mUnited Airlines
Mon 6/94:51 pmSAT - GJT
1 stop6h 24mUnited Airlines
Deal found 4/2$289
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Fri 5/2310:35 amCOS - SAT
1 stop5h 19mUnited Airlines
Sun 5/255:39 amSAT - COS
1 stop4h 14mUnited Airlines
Deal found 4/2$292
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/183:25 pmGJT - SAT
1 stop6h 36mAmerican Airlines
Sat 9/204:33 pmSAT - GJT
2 stops8h 43mAmerican Airlines
Deal found 4/2$294

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 April 3, 2025.
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

Thu 6/5

3:31 pm-6:50 pm

Nonstop2h 19m

San Antonio

Sat 6/7

7:50 pm-9:16 pm

Nonstop2h 26m

$109

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Wed 4/30

1:46 pm-4:58 pm

Nonstop2h 12m

San Antonio

Wed 5/7

4:53 pm-6:16 pm

Nonstop2h 23m

$196

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Fri 5/9

9:45 am-12:55 pm

Nonstop2h 10m

San Antonio

Sun 5/11

8:15 pm-9:45 pm

Nonstop2h 30m

$224

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Tue 4/22

1:35 pm-4:52 pm

Nonstop2h 17m

San Antonio

Tue 4/29

6:35 am-1:38 pm

1 stop8h 03m

$243

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Thu 5/1

5:45 am-1:17 pm

1 stop6h 32m

San Antonio

Thu 5/8

7:45 am-12:04 pm

1 stop5h 19m

$244

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Wed 5/21

4:43 pm-11:58 pm

1 stop6h 15m

San Antonio

Wed 5/28

8:34 pm-11:45 pm

1 stop4h 11m

$247

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Wed 5/21

6:05 am-2:05 pm

1 stop7h 00m

San Antonio

Wed 5/28

5:15 pm-10:40 pm

2 stops6h 25m

$277

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Thu 4/24

12:13 pm-5:32 pm

1 stop4h 19m

San Antonio

Sun 4/27

6:02 am-9:47 am

1 stop4h 45m

$281

DurangoSan Antonio

DRO - SAT

DROSAT

Durango La Plata County

Sat 4/19

12:25 pm-8:55 pm

1 stop7h 30m

San Antonio

Sat 4/26

5:50 am-11:11 am

1 stop6h 21m

$288

Grand JunctionSan Antonio

GJT - SAT

GJTSAT

Grand Junction Regnl

Thu 6/5

1:45 pm-9:04 pm

1 stop6h 19m

San Antonio

Mon 6/9

4:51 pm-10:15 pm

1 stop6h 24m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 27 results
1
2
3

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, August is the cheapest month in which you can book a flight from Colorado to San Antonio (average of $295). Flying from Colorado to San Antonio in March is currently the most expensive (average of $376). 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 April 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to San Antonio as you normally would.

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 April 3, 2025.

The most flights from USCO to SAT are scheduled on a Monday (13 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated April 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Colorado to San Antonio to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,825 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,825 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,274 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,619 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    This flight path from Colorado to San Antonio was viewed by 53 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $42. Users have also found prices from $99 and $108 on Delta and Southwest, respectively.

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

    When deciding which route to take from Colorado to San Antonio consider Denver Intl - San Antonio, Colorado Springs - San Antonio or Grand Junction Regnl - San Antonio as they are the most popular.

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

    Consider United Airlines (90%), Air Canada (86%) or Southwest (81%) 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 $185 for a flight from Colorado to San Antonio. The cheapest flight overall is $27 while the most popular route, (Denver Intl - San Antonio) is currently priced at $169.

  • 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, August is the cheapest month in which you can book a flight from Colorado to San Antonio (average of $295). Flying from Colorado to San Antonio in March is currently the most expensive (average of $376). 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 Colorado?

Book flights to Colorado if you plan to visit one of these locations
New Braunfels

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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.
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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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$132FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$146Average$420FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$198Average$406FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$205Average$347FlexibilityNo cancel feeOn-time63%

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