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$39+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SAT
Jan 28 — Feb 41
Tue 1/28
Tue 2/4
1 adult, Economy
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Cheap flight deals from Colorado to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Colorado (USCO) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 23, 2025.

Round-trip from

$84
(Frontier)

One-way from

$39
(Frontier)

Good round-trip deal

$114 or less

Good one-way deal

$70 or less
From Colorado to San Antonio
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One-way flight from Colorado to San Antonio
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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 January 23, 2025.

This Frontier deal was found by Cheapflights users on 1/22. 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.
Tue 4/810:00 amDEN - SAT
Nonstop2h 17mFrontier
Mon 4/145:04 pmSAT - DEN
1 stop11h 52mFrontier
Deal found 1/22$84
This United Airlines deal was found by Cheapflights users on 1/23. 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 4/96:03 pmDEN - SAT
Nonstop2h 12mUnited Airlines
Mon 4/144:52 pmSAT - DEN
Nonstop2h 23mUnited Airlines
Deal found 1/23$197
This Southwest deal was found by Cheapflights users on 1/22. 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 4/98:35 amDEN - SAT
1 stop5h 20mSouthwest
Mon 4/147:25 pmSAT - DEN
Nonstop2h 25mSouthwest
Deal found 1/22$207
This Delta deal was found by Cheapflights users on 1/22. 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 4/86:05 pmDEN - SAT
1 stop5h 15mDelta
Tue 4/152:00 pmSAT - DEN
1 stop6h 59mDelta
Deal found 1/22$217
This American Airlines deal was found by Cheapflights users on 1/23. 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 3/264:40 pmCOS - SAT
1 stop6h 24mAmerican Airlines
Mon 3/318:31 pmSAT - COS
1 stop4h 16mAmerican Airlines
Deal found 1/23$257
This American Airlines deal was found by Cheapflights users on 1/23. 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.
Tue 3/186:32 pmDEN - SAT
1 stop4h 32mAmerican Airlines
Sat 3/226:00 amSAT - DEN
1 stop4h 52mAmerican Airlines
Deal found 1/23$258
This Delta deal was found by Cheapflights users on 1/23. 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.
Wed 4/95:55 amGJT - SAT
1 stop6h 31mDelta
Tue 4/156:10 pmSAT - GJT
1 stop5h 20mDelta
Deal found 1/23$289
This Southwest deal was found by Cheapflights users on 1/23. 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 3/266:00 amCOS - SAT
1 stop9h 00mSouthwest
Fri 3/285:40 amSAT - COS
1 stop5h 10mSouthwest
Deal found 1/23$292
This American Airlines deal was found by Cheapflights users on 1/23. 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 4/911:36 amGJT - SAT
1 stop7h 47mAmerican Airlines
Tue 4/155:00 amSAT - GJT
2 stops7h 06mAmerican Airlines
Deal found 1/23$294
This United Airlines deal was found by Cheapflights users on 1/23. 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.
Mon 2/243:30 pmCOS - SAT
2 stops6h 45mUnited Airlines
Thu 2/271:18 pmSAT - COS
1 stop5h 31mUnited Airlines
Deal found 1/23$311
This United Airlines deal was found by Cheapflights users on 1/23. 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 2/67:00 amDRO - SAT
1 stop5h 21mUnited Airlines
Sun 2/94:50 pmSAT - DRO
1 stop6h 37mUnited Airlines
Deal found 1/23$354
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/63:22 pmGJT - SAT
1 stop4h 41mUnited Airlines
Mon 2/104:50 pmSAT - GJT
1 stop4h 39mUnited Airlines
Deal found 1/21$379

Find flights from Colorado to San Antonio within your budget

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 January 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Tue 4/8

10:00 am-1:17 pm

Nonstop2h 17m

San Antonio

Mon 4/14

5:04 pm-3:56 am

1 stop11h 52m

$84

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Wed 4/9

6:03 pm-9:15 pm

Nonstop2h 12m

San Antonio

Mon 4/14

4:52 pm-6:15 pm

Nonstop2h 23m

$197

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Wed 4/9

8:35 am-2:55 pm

1 stop5h 20m

San Antonio

Mon 4/14

7:25 pm-8:50 pm

Nonstop2h 25m

$207

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Tue 4/8

6:05 pm-12:20 am

1 stop5h 15m

San Antonio

Tue 4/15

2:00 pm-7:59 pm

1 stop6h 59m

$217

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Wed 3/26

4:40 pm-12:04 am

1 stop6h 24m

San Antonio

Mon 3/31

8:31 pm-11:47 pm

1 stop4h 16m

$257

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Tue 3/18

6:32 pm-12:04 am

1 stop4h 32m

San Antonio

Sat 3/22

6:00 am-9:52 am

1 stop4h 52m

$258

Grand JunctionSan Antonio

GJT - SAT

GJTSAT

Grand Junction Regnl

Wed 4/9

5:55 am-1:26 pm

1 stop6h 31m

San Antonio

Tue 4/15

6:10 pm-10:30 pm

1 stop5h 20m

$289

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Wed 3/26

6:00 am-4:00 pm

1 stop9h 00m

San Antonio

Fri 3/28

5:40 am-9:50 am

1 stop5h 10m

$292

Grand JunctionSan Antonio

GJT - SAT

GJTSAT

Grand Junction Regnl

Wed 4/9

11:36 am-8:23 pm

1 stop7h 47m

San Antonio

Tue 4/15

5:00 am-11:06 am

2 stops7h 06m

$294

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Mon 2/24

3:30 pm-11:15 pm

2 stops6h 45m

San Antonio

Thu 2/27

1:18 pm-5:49 pm

1 stop5h 31m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 28 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.

Travel insights for flights from Colorado to San Antonio

Get recent, data-driven insights about flights from Colorado to San Antonio including ideal travel times, pricing trends, and more.

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 January 23, 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 January 23, 2025.

The most flights from USCO to SAT are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 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 January 23, 2025.
Peruse reviews from past customers who have flown with Frontier, 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.
Southwest
8.1
Very good
4,647 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
4,647 reviews
Southwest
8.1
Very good
4,647 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,699 reviews
Southwest
8.1
Very good
4,647 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,508 reviews
Southwest
8.1
Very good
4,647 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
8,970 reviews
Southwest
8.1
Very good
4,647 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,647 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

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 54 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 $39. Users have also found prices from $79 and $99 on Southwest and United Airlines, 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 (88%), Lufthansa (86%) or Southwest (85%) 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 $209 for a flight from Colorado to San Antonio. The cheapest flight overall is $35 while the most popular route, (Denver Intl - San Antonio) is currently priced at $131.

  • 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.

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Alternative routes for Colorado to San Antonio

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Top 5 airlines flying from Colorado to San Antonio

Discover the top 5 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 January 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$128FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$148Average$419FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$181Average$359FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$235FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$417FlexibilityNo cancel feeOn-time71%
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