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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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SAT
mar. 8 — mar. 151
sáb. 3/8
sáb. 3/15
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 marzo 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$118
(Frontier)

One-way from

$39
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$228

Good round-trip deal

$148 or less

Good one-way deal

$94 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
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 3, 2025.

This Frontier deal was found by Cheapflights users on 3/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/511:35 amDEN - SAT
Nonstop2h 17mFrontier
mar. 8/123:42 pmSAT - DEN
Nonstop2h 32mFrontier
Deal found 3/3$118
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/29:50 amDEN - SAT
Nonstop2h 14mUnited Airlines
mié. 4/94:52 pmSAT - DEN
Nonstop2h 23mUnited Airlines
Deal found 3/3$197
This Southwest deal was found by Cheapflights users on 3/2. 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.
mar. 4/228:50 pmDEN - SAT
Nonstop2h 15mSouthwest
mar. 4/295:15 pmSAT - DEN
1 stop5h 40mSouthwest
Deal found 3/2$207
This Delta deal was found by Cheapflights users on 3/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/112:55 amDEN - SAT
1 stop8h 00mDelta
mié. 4/98:00 amSAT - DEN
1 stop6h 00mDelta
Deal found 3/3$217
This Delta deal was found by Cheapflights users on 3/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/28:15 amCOS - SAT
1 stop8h 10mDelta
mié. 4/912:35 pmSAT - COS
1 stop7h 30mDelta
Deal found 3/3$277
This American Airlines deal was found by Cheapflights users on 3/2. 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.
sáb. 3/295:27 amDRO - SAT
1 stop7h 00mAmerican Airlines
sáb. 4/55:50 amSAT - DRO
1 stop6h 21mAmerican Airlines
Deal found 3/2$278
This Southwest deal was found by Cheapflights users on 3/3. 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.
mar. 3/254:30 pmCOS - SAT
1 stop5h 05mSouthwest
sáb. 3/295:15 amSAT - COS
1 stop4h 55mSouthwest
Deal found 3/3$282
This American Airlines deal was found by Cheapflights users on 3/2. 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.
sáb. 3/294:40 pmCOS - SAT
1 stop6h 24mAmerican Airlines
sáb. 4/55:00 amSAT - COS
1 stop5h 52mAmerican Airlines
Deal found 3/2$287
This American Airlines deal was found by Cheapflights users on 3/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/33:19 pmGJT - SAT
1 stop6h 54mAmerican Airlines
lun. 4/75:50 amSAT - GJT
1 stop6h 16mAmerican Airlines
Deal found 3/3$289
This Delta deal was found by Cheapflights users on 3/1. 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.
mié. 3/195:55 amGJT - SAT
1 stop6h 38mDelta
mié. 3/268:00 amSAT - GJT
1 stop5h 35mDelta
Deal found 3/1$299
This American Airlines deal was found by Cheapflights users on 3/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/910:40 amDEN - SAT
1 stop6h 28mAmerican Airlines
mié. 4/166:02 amSAT - DEN
1 stop4h 45mAmerican Airlines
Deal found 3/3$307
This United Airlines deal was found by Cheapflights users on 3/2. 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.
lun. 3/173:35 pmCOS - SAT
1 stop7h 09mUnited Airlines
vie. 3/215:35 amSAT - COS
1 stop4h 15mUnited Airlines
Deal found 3/2$313

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 marzo 3, 2025.

Fly from

Colorado

Fly to

San Antonio

Route

Depart

Return

Price

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

sáb. 5/31

11:35 am-2:52 pm

Nonstop2h 17m

San Antonio

sáb. 6/7

3:42 pm-5:14 pm

Nonstop2h 32m

$118

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

mié. 4/2

9:50 am-1:04 pm

Nonstop2h 14m

San Antonio

mié. 4/9

4:52 pm-6:15 pm

Nonstop2h 23m

$197

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

mar. 4/22

8:50 pm-12:05 am

Nonstop2h 15m

San Antonio

mar. 4/29

5:15 pm-9:55 pm

1 stop5h 40m

$207

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

mar. 4/1

12:55 am-9:55 am

1 stop8h 00m

San Antonio

mié. 4/9

8:00 am-1:00 pm

1 stop6h 00m

$217

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

mié. 4/2

8:15 am-5:25 pm

1 stop8h 10m

San Antonio

mié. 4/9

12:35 pm-7:05 pm

1 stop7h 30m

$277

DurangoSan Antonio

DRO - SAT

DROSAT

Durango La Plata County

sáb. 3/29

5:27 am-1:27 pm

1 stop7h 00m

San Antonio

sáb. 4/5

5:50 am-11:11 am

1 stop6h 21m

$278

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

mar. 3/25

4:30 pm-10:35 pm

1 stop5h 05m

San Antonio

sáb. 3/29

5:15 am-9:10 am

1 stop4h 55m

$282

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

sáb. 3/29

4:40 pm-12:04 am

1 stop6h 24m

San Antonio

sáb. 4/5

5:00 am-9:52 am

1 stop5h 52m

$287

Grand JunctionSan Antonio

GJT - SAT

GJTSAT

Grand Junction Regnl

jue. 4/3

3:19 pm-11:13 pm

1 stop6h 54m

San Antonio

dom. 4/6

5:50 am-11:06 am

1 stop6h 16m

$289

Grand JunctionSan Antonio

GJT - SAT

GJTSAT

Grand Junction Regnl

mié. 3/19

5:55 am-1:33 pm

1 stop6h 38m

San Antonio

mié. 3/26

8:00 am-12:35 pm

1 stop5h 35m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 33 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 marzo 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.

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 marzo 3, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines 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
4,333 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,333 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,710 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
8,068 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,679 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $39. Users have also found prices from $99 and $109 on Southwest and Delta, 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 Frontier (82%), Lufthansa (71%) or Air Canada (68%) 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 $187 for a flight from Colorado to San Antonio. The cheapest flight overall is $28 while the most popular route, (Denver Intl - San Antonio) is currently priced at $176.

  • 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 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 marzo 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$131FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$147Average$415FlexibilityNo cancel feeOn-time69%
DeltaCheapest$196Average$222FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$197Average$355FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$198Average$407FlexibilityNo cancel feeOn-time71%
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