HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$46+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SAT
Dec 25 — Jan 11
Wed 12/25
Wed 1/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to San Antonio with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 20, 2024.

Round-trip from

$98
(Frontier)

One-way from

$46
(Frontier)
From Colorado to San Antonio
Search Deals
One-way flight from Colorado to San Antonio
Search Deals

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 December 20, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 12/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:14 amDEN - SAT
Nonstop2h 14mFrontier
Thu 1/231:02 pmSAT - DEN
Nonstop2h 23mFrontier
Deal found 12/18$250
This American Airlines deal was found by Cheapflights users on 12/19. 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.
Fri 12/206:00 amGJT - SAT
1 stop4h 40mAmerican Airlines
Fri 12/276:10 pmSAT - GJT
1 stop5h 18mAmerican Airlines
Deal found 12/19$418
This American Airlines deal was found by Cheapflights users on 12/19. 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.
Fri 12/2012:47 pmDRO - SAT
1 stop4h 45mAmerican Airlines
Sun 12/225:45 amSAT - DRO
1 stop6h 23mAmerican Airlines
Deal found 12/19$468
This American Airlines deal was found by Cheapflights users on 12/19. 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 12/318:26 amDEN - SAT
1 stop7h 24mAmerican Airlines
Wed 1/110:39 amSAT - DEN
1 stop9h 58mAmerican Airlines
Deal found 12/19$500
This United Airlines deal was found by Cheapflights users on 12/19. 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 12/305:50 pmDRO - SAT
1 stop4h 54mUnited Airlines
Mon 1/65:30 amSAT - DRO
1 stop6h 45mUnited Airlines
Deal found 12/19$555
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Sun 12/293:40 pmDEN - SAT
2 stops6h 20mUnited Airlines
Thu 1/235:48 pmSAT - DEN
1 stop6h 56mUnited Airlines
Deal found 12/18$569
This Mytrip deal was found by Cheapflights users on 12/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:50 pmDEN - SAT
2 stops26h 20mMultiple Airlines
Thu 1/237:00 amSAT - DEN
2 stops11h 43mMultiple Airlines
Deal found 12/18$608
This American Airlines deal was found by Cheapflights users on 12/18. 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.
Mon 12/2312:14 pmCOS - SAT
1 stop4h 29mAmerican Airlines
Thu 12/264:26 pmSAT - COS
1 stop4h 50mAmerican Airlines
Deal found 12/18$626
This Southwest deal was found by Cheapflights users on 12/18. 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.
Mon 12/2310:20 amCOS - SAT
1 stop5h 25mSouthwest
Thu 12/262:00 pmSAT - COS
Nonstop2h 05mSouthwest
Deal found 12/18$627
This Alaska Airlines deal was found by Cheapflights users on 12/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/279:50 pmDEN - SAT
1 stop19h 36mAlaska Airlines
Thu 1/233:03 pmSAT - DEN
2 stops23h 04mAlaska Airlines
Deal found 12/18$652
This Southwest deal was found by Cheapflights users on 12/19. 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.
Thu 12/2610:00 pmDEN - SAT
Nonstop2h 05mSouthwest
Sun 12/295:10 amSAT - DEN
1 stop5h 30mSouthwest
Deal found 12/19$729
This Delta deal was found by Cheapflights users on 12/19. 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.
Thu 12/194:19 pmDEN - SAT
1 stop6h 37mDelta
Thu 12/266:50 amSAT - DEN
1 stop5h 52mDelta
Deal found 12/19$792

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 December 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Sun 2/23

10:00 am-1:18 pm

Nonstop2h 18m

San Antonio

Wed 2/26

5:58 pm-3:56 am

1 stop10h 58m

$98

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Sat 1/11

6:00 am-11:36 am

1 stop4h 36m

San Antonio

Sun 1/19

5:45 am-9:09 am

1 stop4h 24m

$136

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Sun 1/19

10:24 am-6:39 pm

1 stop7h 15m

San Antonio

Sat 1/25

10:07 am-1:51 pm

1 stop4h 44m

$216

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Sat 3/1

9:54 am-1:10 pm

Nonstop2h 16m

San Antonio

Tue 3/4

5:57 pm-10:08 pm

1 stop5h 11m

$227

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Thu 1/16

10:45 am-4:40 pm

1 stop4h 55m

San Antonio

Tue 1/28

12:05 pm-6:53 pm

2 stops7h 48m

$273

DurangoSan Antonio

DRO - SAT

DROSAT

Durango La Plata County

Tue 2/4

3:33 pm-11:47 pm

1 stop7h 14m

San Antonio

Sat 2/8

8:34 am-3:03 pm

1 stop7h 29m

$278

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Sun 3/2

5:55 am-1:00 pm

1 stop6h 05m

San Antonio

Wed 3/5

7:05 am-12:05 pm

2 stops6h 00m

$281

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Mon 3/3

6:50 am-2:43 pm

1 stop6h 53m

San Antonio

Tue 3/4

4:30 pm-11:00 pm

1 stop7h 30m

$306

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Mon 1/6

5:50 pm-11:26 pm

3 stops28h 36m

San Antonio

Sat 1/25

4:07 pm-1:30 pm

3 stops22h 23m

$349

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Thu 1/23

11:45 am-7:35 pm

2 stops6h 50m

San Antonio

Mon 1/27

8:15 am-2:25 pm

1 stop7h 10m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 33 results
1
2
3
4

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 December 20, 2024.

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 December 20, 2024.

The most flights from USCO to SAT are scheduled on a Thursday (15 on average). You will have fewer flight options on Tuesday, 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 December 20, 2024.
Peruse reviews from past customers who have flown with Delta, United Airlines and Frontier 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
4,821 reviews

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Overall

8.1

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
4,821 reviews
Southwest
8.1
Very good
4,821 reviews

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Overall

8.1

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
9,547 reviews
Southwest
8.1
Very good
4,821 reviews

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Overall

8.1

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
8,600 reviews
Southwest
8.1
Very good
4,821 reviews

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Overall

8.1

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
9,048 reviews
Southwest
8.1
Very good
4,821 reviews

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Overall

8.1

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
4,821 reviews

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Overall

8.1

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 60 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 $46. Users have also found prices from $79 and $88 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, Durango La Plata County - San Antonio or Colorado Springs - San Antonio as they are the most popular.

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

    Consider Lufthansa (87%), Air Canada (86%) or United Airlines (86%) 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 $218 for a flight from Colorado to San Antonio. The cheapest flight overall is $47 while the most popular route, (Denver Intl - San Antonio) is currently priced at $137.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to Hobby flights
Los Angeles to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
Newark to Hobby flights
Dulles Intl to Dallas/Fort Worth flights
Los Angeles to Hobby flights
John F Kennedy Intl to Austin flights
Newark to Austin flights
LaGuardia to George Bush Intcntl flights
Newark to George Bush Intcntl flights
Atlanta to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
John F Kennedy Intl to Hobby flights
San Francisco to Dallas/Fort Worth flights
Ontario to Dallas/Fort Worth flights
Los Angeles to George Bush Intcntl flights
Orlando to Dallas/Fort Worth flights
John F Kennedy Intl to George Bush Intcntl flights
Midway to Dallas/Fort Worth flights
Baltimore to Hobby flights
Boston to Dallas/Fort Worth flights
Reagan-National to Dallas/Fort Worth flights
O'Hare Intl to Hobby flights
Seattle to Hobby flights
Reagan-National to Hobby flights
Denver to Dallas/Fort Worth flights
Detroit to Dallas/Fort Worth flights
Minneapolis to Dallas/Fort Worth flights
Hobby to Dallas/Fort Worth flights
Boston to Hobby flights
Midway to Hobby flights
O'Hare Intl to George Bush Intcntl flights
San Jose to Dallas/Fort Worth flights
LaGuardia to Austin flights
Dulles Intl to Hobby flights
Philadelphia to Hobby flights
Philadelphia to Dallas/Fort Worth flights
Atlanta to Hobby flights
Burbank to Dallas/Fort Worth flights
Ontario to Hobby flights
Baltimore to George Bush Intcntl flights
Seattle to George Bush Intcntl flights
Charlotte to Dallas/Fort Worth flights
O'Hare Intl to Austin flights
Los Angeles to Austin flights
Dulles Intl to George Bush Intcntl flights

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 December 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$127FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$149Average$440FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$178Average$349FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$235FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$417FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.