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$24+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DEN
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap 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 December 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/27. 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 12/3012:18 pmSAT - DEN
Nonstop2h 23mFrontier
Thu 1/86:00 amDEN - SAT
Nonstop2h 18mFrontier
Deal found 12/27$305
This United Airlines deal was found by Cheapflights users on 12/26. 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 12/298:45 amSAT - DRO
1 stop7h 03mUnited Airlines
Fri 1/27:00 amDRO - SAT
1 stop5h 12mUnited Airlines
Deal found 12/26$308
This Frontier deal was found by Cheapflights users on 12/27. 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 12/3012:18 pmSAT - DEN
Nonstop2h 23mFrontier
Fri 1/96:00 amDEN - SAT
Nonstop2h 18mFrontier
Deal found 12/27$309
This Kiwi.com deal was found by Cheapflights users on 12/27. 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 12/3012:18 pmSAT - DEN
Nonstop2h 23mFrontier
Mon 1/58:05 amDEN - SAT
Nonstop2h 16mFrontier
Deal found 12/27$335
This Frontier deal was found by Cheapflights users on 12/27. 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.
Mon 12/296:45 amSAT - DEN
Nonstop2h 24mFrontier
Fri 1/96:00 amDEN - SAT
Nonstop2h 18mFrontier
Deal found 12/27$339
This Frontier deal was found by Cheapflights users on 12/27. 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 12/306:45 amSAT - DEN
Nonstop2h 24mFrontier
Wed 1/711:42 amDEN - SAT
Nonstop2h 18mFrontier
Deal found 12/27$340
This Kiwi.com deal was found by Cheapflights users on 12/26. 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.
Sat 12/2712:18 pmSAT - DEN
Nonstop2h 23mFrontier
Fri 1/304:16 pmDEN - SAT
Nonstop2h 17mFrontier
Deal found 12/26$344
This United Airlines deal was found by Cheapflights users on 12/26. 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.
Tue 12/304:55 pmSAT - COS
1 stop4h 21mUnited Airlines
Sat 1/33:38 pmCOS - SAT
1 stop4h 22mUnited Airlines
Deal found 12/26$351
This Frontier deal was found by Cheapflights users on 12/26. 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 12/306:45 amSAT - DEN
Nonstop2h 24mFrontier
Sat 1/310:44 pmDEN - SAT
1 stop9h 39mFrontier
Deal found 12/26$351
This United Airlines deal was found by Cheapflights users on 12/27. 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.
Tue 12/309:51 amSAT - COS
2 stops7h 37mUnited Airlines
Mon 1/512:09 pmCOS - SAT
1 stop4h 40mUnited Airlines
Deal found 12/27$356
This American Airlines deal was found by Cheapflights users on 12/26. 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.
Sun 12/286:00 pmSAT - COS
1 stop6h 47mAmerican Airlines
Fri 1/26:00 amCOS - SAT
1 stop7h 10mAmerican Airlines
Deal found 12/26$358
This American Airlines deal was found by Cheapflights users on 12/27. 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 12/293:00 pmSAT - DRO
1 stop6h 47mAmerican Airlines
Thu 1/17:35 amDRO - SAT
1 stop4h 49mAmerican Airlines
Deal found 12/27$368

Find 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 December 28, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$87
(Kiwi.com)

One-way from

$24
(eDestinos)

Popular in

June

Cheapest in

February

Average price

$233

Good round-trip deal

$200 or less

Good one-way deal

$127 or less
Provider with most accurate pricing for San Antonio-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Denver Intl flights.
Search Deals
From San Antonio to Colorado
Search Deals
One-way flight from San Antonio to Colorado
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from San Antonio to Colorado.
Search Deals
Price to beat on a one-way flight from San Antonio to Colorado.
Search Deals

Cheapflights Fare Finder

 
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 December 28, 2025.
Use the filters below to find and compare flights from San Antonio to Colorado that are best for you.

Fly from

San Antonio

Fly to

Colorado

Route

Depart

Return

Price

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Thu 2/26

8:20 pm-9:45 pm

Nonstop2h 25m

Denver Intl

Mon 3/2

4:20 pm-7:37 pm

Nonstop2h 17m

$88

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Thu 2/12

5:30 am-11:20 am

1 stop6h 50m

Denver Intl

Wed 2/18

6:45 pm-9:55 pm

Nonstop2h 10m

$187

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Wed 2/25

8:00 am-1:37 pm

1 stop6h 37m

Denver Intl

Mon 3/2

6:20 pm-12:41 am

1 stop5h 21m

$197

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Thu 2/26

1:34 pm-7:21 pm

1 stop6h 47m

Denver Intl

Wed 3/4

6:20 pm-12:41 am

1 stop5h 21m

$197

San AntonioDurango

SAT - DRO

SATDRO

San Antonio

Wed 1/21

2:15 pm-6:19 pm

1 stop5h 04m

Durango La Plata County

Sat 1/24

4:48 pm-10:58 pm

1 stop5h 10m

$200

San AntonioDurango

SAT - DRO

SATDRO

San Antonio

Sat 2/28

9:10 am-12:39 pm

1 stop4h 29m

Durango La Plata County

Sat 3/7

11:33 am-4:51 pm

1 stop4h 18m

$200

San AntonioDurango

SAT - DRO

SATDRO

San Antonio

Wed 1/21

4:43 pm-8:31 pm

1 stop4h 48m

Durango La Plata County

Sat 1/24

11:40 am-9:21 pm

2 stops8h 41m

$206

San AntonioGunnison

SAT - GUC

SATGUC

San Antonio

Sat 1/10

6:14 am-12:06 pm

1 stop6h 52m

Gunnison

Wed 1/14

12:36 pm-8:50 pm

1 stop7h 14m

$211

San AntonioMontrose

SAT - MTJ

SATMTJ

San Antonio

Tue 2/10

4:43 pm-8:17 pm

1 stop4h 34m

Montrose County

Sat 2/14

7:15 am-1:08 pm

1 stop4h 53m

$211

San AntonioGrand Junction

SAT - GJT

SATGJT

San Antonio

Thu 1/29

5:36 pm-10:20 pm

1 stop5h 44m

Grand Junction Regnl

Sun 2/1

7:06 am-1:13 pm

1 stop5h 07m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 60 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.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Colorado

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

Currently, March is the cheapest month in which you can book a flight from San Antonio to Colorado (average of $38). Flying from San Antonio to Colorado in June is currently the most expensive (average of $98). 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 December 28, 2025.

It’s optimal to fly from San Antonio to Colorado in the evening. By choosing this option you can save up to 52% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from San Antonio to Colorado?

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Colorado. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Antonio to Colorado flight should consider departing on Sunday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 28, 2025.

The most flights from SAT to USCO are scheduled on a Monday (18 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

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 December 28, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from San Antonio to Colorado have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,256 reviews
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,019 reviews
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,113 reviews
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,072 reviews
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,065 reviews
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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, 228 users have taken a look at flights from San Antonio to Colorado.

  • How long is the flight from San Antonio to Colorado?

    A quick flight from San Antonio to Colorado can take about 2h 25m. Frontier provides one of the quickest options available for as low as $88. The distance from San Antonio to Colorado is about 795 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $32 on Frontier. Other airlines that offer cheap prices include United Airlines from $95 and Southwest from $98 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 - Aspen Pitkin County or San Antonio - Colorado Springs.

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

    Consider Frontier (83%), Air Canada (83%) or United Airlines (82%) 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 $80. On average you can expect to pay $1,089. The most popular route, (San Antonio - Denver Intl), can usually be booked for $116.

  • 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, March is the cheapest month in which you can book a flight from San Antonio to Colorado (average of $38). Flying from San Antonio to Colorado in June is currently the most expensive (average of $98). 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

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Alternative routes for San Antonio to Colorado

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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$153FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$276FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$106Average$416FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$146Average$445FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$176Average$386FlexibilityNo cancel feeOn-time63%

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