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$39+ Cheap flights from San Antonio (SAT) to Colorado

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DEN
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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Cheap flight deals from San Antonio to Colorado

Keep the following information in mind while searching for San Antonio to Colorado flight deals. Data was last updated March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$77
(Kiwi.com)

One-way from

$39
(CheapOair)

Popular in

December

Cheapest in

August

Average price

$216

Good round-trip deal

$178 or less

Good one-way deal

$131 or less
Provider with most accurate pricing for San Antonio-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Denver Intl flights.
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From San Antonio to Colorado
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One-way flight from San Antonio to Colorado
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($5 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 San Antonio to Colorado.
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Price to beat on a one-way flight from San Antonio to Colorado.
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Find flight deals from San Antonio to Colorado

Cheapest flights from San Antonio to Colorado
Explore the most affordable flight options available from San Antonio to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/12:18 pmSAT - DEN
Nonstop2h 25mFrontier
Tue 4/810:37 amDEN - SAT
Nonstop2h 17mFrontier
Deal found 3/3$77
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.
Tue 5/136:05 amSAT - DEN
Nonstop2h 15mSouthwest
Wed 5/147:10 pmDEN - SAT
Nonstop2h 15mSouthwest
Deal found 3/2$197
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.
Wed 4/304:52 pmSAT - DEN
Nonstop2h 23mUnited Airlines
Sun 5/118:22 pmDEN - SAT
Nonstop2h 23mUnited Airlines
Deal found 3/3$214
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/127:00 amSAT - DEN
1 stop8h 32mDelta
Tue 4/1512:55 amDEN - SAT
1 stop8h 03mDelta
Deal found 3/2$217
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:39 amSAT - COS
2 stops11h 11mMultiple Airlines
Sun 5/44:35 pmCOS - SAT
2 stops23h 51mMultiple Airlines
Deal found 3/3$251
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.
Thu 3/206:00 amSAT - DEN
1 stop8h 46mAmerican Airlines
Tue 3/252:36 pmDEN - SAT
1 stop7h 26mAmerican Airlines
Deal found 3/3$273
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.
Mon 3/174:19 pmSAT - COS
1 stop6h 36mUnited Airlines
Tue 3/185:16 pmCOS - SAT
1 stop5h 28mUnited Airlines
Deal found 3/3$277
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.
Wed 4/166:54 pmSAT - DRO
1 stop4h 24mAmerican Airlines
Sun 4/2011:43 amDRO - SAT
1 stop4h 51mAmerican Airlines
Deal found 3/3$278
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.
Sat 5/35:50 amSAT - GJT
1 stop6h 16mAmerican Airlines
Tue 5/134:39 pmGJT - SAT
1 stop5h 16mAmerican Airlines
Deal found 3/3$289
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.
Thu 5/225:00 amSAT - COS
1 stop5h 42mAmerican Airlines
Mon 5/264:43 pmCOS - SAT
1 stop5h 12mAmerican Airlines
Deal found 3/2$312
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/112:18 pmSAT - DEN
Nonstop2h 20mMultiple Airlines
Tue 4/157:57 pmDEN - SAT
1 stop8h 43mMultiple Airlines
Deal found 3/3$315
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.
Fri 4/185:20 amSAT - COS
1 stop9h 05mSouthwest
Fri 4/183:45 pmCOS - SAT
2 stops6h 40mSouthwest
Deal found 3/3$322

Find flights from San Antonio to Colorado within your budget

Customize your flight search to find flights from San Antonio to Colorado 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 March 3, 2025.

Fly from

San Antonio

Fly to

Colorado

Route

Depart

Return

Price

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Tue 4/1

2:18 pm-3:43 pm

Nonstop2h 25m

Denver Intl

Tue 4/8

10:37 am-1:54 pm

Nonstop2h 17m

$77

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Tue 5/13

6:05 am-7:20 am

Nonstop2h 15m

Denver Intl

Wed 5/14

7:10 pm-10:25 pm

Nonstop2h 15m

$197

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Wed 4/30

4:52 pm-6:15 pm

Nonstop2h 23m

Denver Intl

Sun 5/11

8:22 pm-11:45 pm

Nonstop2h 23m

$214

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Sat 4/12

7:00 am-2:32 pm

1 stop8h 32m

Denver Intl

Tue 4/15

12:55 am-9:58 am

1 stop8h 03m

$217

San AntonioColorado Springs

SAT - COS

SATCOS

San Antonio

Thu 5/1

5:39 am-3:50 pm

2 stops11h 11m

Colorado Springs

Sun 5/4

4:35 pm-5:26 pm

2 stops23h 51m

$251

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Thu 3/20

6:00 am-1:46 pm

1 stop8h 46m

Denver Intl

Tue 3/25

2:36 pm-11:02 pm

1 stop7h 26m

$273

San AntonioColorado Springs

SAT - COS

SATCOS

San Antonio

Mon 3/17

4:19 pm-9:55 pm

1 stop6h 36m

Colorado Springs

Tue 3/18

5:16 pm-11:44 pm

1 stop5h 28m

$277

San AntonioDurango

SAT - DRO

SATDRO

San Antonio

Wed 4/16

6:54 pm-10:18 pm

1 stop4h 24m

Durango La Plata County

Sun 4/20

11:43 am-5:34 pm

1 stop4h 51m

$278

San AntonioGrand Junction

SAT - GJT

SATGJT

San Antonio

Sat 5/3

5:50 am-11:06 am

1 stop6h 16m

Grand Junction Regnl

Tue 5/13

4:39 pm-10:55 pm

1 stop5h 16m

$289

San AntonioColorado Springs

SAT - COS

SATCOS

San Antonio

Thu 5/22

5:00 am-9:42 am

1 stop5h 42m

Colorado Springs

Mon 5/26

4:43 pm-10:55 pm

1 stop5h 12m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 40 results
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Best time to book a flight from San Antonio to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from San Antonio 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 San Antonio to Colorado

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

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

Currently, October is the cheapest month in which you can book a flight from San Antonio to Colorado (average of $197). Flying from San Antonio to Colorado in March is currently the most expensive (average of $278). 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 SAT to CO?

Find hourly flight availability from San Antonio to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 3, 2025.

When flying from San Antonio to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San Antonio to Colorado

Explore weekly flight availability from San Antonio to Colorado. 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 March 3, 2025.

The most flights from SAT to USCO are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Colorado by month

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

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

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

If weather is an important factor for your trip to Colorado, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated March 3, 2025.
To help decide which airline to fly from San Antonio to Colorado, see what other customers have to say about Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,333 reviews

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

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

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

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

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

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

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

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

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

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

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Colorado. 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 from for flights from San Antonio to Colorado?

    Most people fly from San Antonio (SAT) if they book a flight from San Antonio to Colorado. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

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

    Within the past month, 207 users have taken a look at flights from San Antonio to Colorado.

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

    One-way options have recently been found by users for as low as $39 on Frontier. Other airlines that offer cheap prices include United Airlines from $99 and Delta from $109 one-way.

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

    The most popular route from San Antonio to Colorado is San Antonio - Denver Intl. You may also consider San Antonio - Grand Junction Regnl or San Antonio - Aspen Pitkin County.

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

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

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

    The cheapest flight price from San Antonio to Colorado is $44. On average you can expect to pay $1,031. The most popular route, (San Antonio - Denver Intl), can usually be booked for $149.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to Colorado 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 San Antonio to Colorado?

    Currently, October is the cheapest month in which you can book a flight from San Antonio to Colorado (average of $197). Flying from San Antonio to Colorado in March is currently the most expensive (average of $278). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from San Antonio to Colorado

Discover the top 5 airlines that operate flights from San Antonio to Colorado. 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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$100FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$148Average$504FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$412FlexibilityNo cancel feeOn-time71%
DeltaCheapest$176Average$207FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$178Average$409FlexibilityNo cancel feeOn-time63%
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