Colorado

$28+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DEN
Feb 11 — Feb 181
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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 January 12, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$74
(Frontier)

One-way from

$28
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$173

Good round-trip deal

$223 or less

Good one-way deal

$130 or less
Provider with most accurate pricing for San Antonio-Denver Intl flight deals.
Provider most trusted by Cheapflights users for San Antonio-Denver Intl flights.
From San Antonio to Colorado
One-way flight from San Antonio to Colorado
Highest demand for flights based on searches. 8% potential increase in price ($17 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from San Antonio to Colorado.
Price to beat on a one-way flight from San Antonio to Colorado.

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 January 12, 2026.

This CheapOair deal was found by Cheapflights users on 1/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:56 pm
SAT
-
DEN
Nonstop2h 25m
Frontier
Mon 2/234:20 pm
DEN
-
SAT
Nonstop2h 17m
Frontier
Deal found 1/10$74
This Super.com deal was found by Cheapflights users on 1/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:20 pm
SAT
-
DEN
Nonstop2h 25m
Frontier
Sun 3/13:06 pm
DEN
-
SAT
Nonstop2h 16m
Frontier
Deal found 1/10$77
This Frontier deal was found by Cheapflights users on 1/10. 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.
Thu 2/128:25 pm
SAT
-
DEN
Nonstop2h 24m
Frontier
Thu 2/194:13 pm
DEN
-
SAT
Nonstop2h 17m
Frontier
Deal found 1/10$78
This CheapOair deal was found by Cheapflights users on 1/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/128:25 pm
SAT
-
DEN
Nonstop2h 24m
Frontier
Sun 2/153:06 pm
DEN
-
SAT
Nonstop2h 16m
Frontier
Deal found 1/10$79
This eDestinos deal was found by Cheapflights users on 1/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:12 pm
SAT
-
DEN
Nonstop2h 25m
Frontier
Mon 2/234:20 pm
DEN
-
SAT
Nonstop2h 17m
Frontier
Deal found 1/9$81
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Mon 2/28:24 pm
SAT
-
DEN
Nonstop2h 25m
Frontier
Thu 2/54:16 pm
DEN
-
SAT
Nonstop2h 17m
Frontier
Deal found 1/10$82
This Super.com deal was found by Cheapflights users on 1/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:05 am
SAT
-
DEN
Nonstop2h 24m
Frontier
Mon 3/95:45 am
DEN
-
SAT
Nonstop2h 21m
Frontier
Deal found 1/12$87
This Frontier deal was found by Cheapflights users on 1/11. 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.
Wed 2/256:12 pm
SAT
-
DEN
Nonstop2h 25m
Frontier
Thu 2/264:08 pm
DEN
-
SAT
Nonstop2h 17m
Frontier
Deal found 1/11$88
This Super.com deal was found by Cheapflights users on 1/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:36 pm
SAT
-
DEN
Nonstop2h 24m
Frontier
Wed 3/42:00 pm
DEN
-
SAT
Nonstop2h 15m
Frontier
Deal found 1/10$90
This Frontier deal was found by Cheapflights users on 1/11. 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 2/245:36 pm
SAT
-
DEN
Nonstop2h 24m
Frontier
Sun 3/13:06 pm
DEN
-
SAT
Nonstop2h 16m
Frontier
Deal found 1/11$91
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 3/106:45 am
SAT
-
DEN
Nonstop2h 23m
Frontier
Mon 3/169:00 pm
DEN
-
SAT
Nonstop2h 17m
Frontier
Deal found 1/11$92
This United Airlines deal was found by Cheapflights users on 1/11. 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 1/278:30 am
SAT
-
GUC
1 stop7h 13m
United Airlines
Sat 1/3112:03 pm
GUC
-
SAT
1 stop6h 38m
United Airlines
Deal found 1/11$211

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 January 12, 2026.
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

Tue 3/3

10:57 am-7:21 pm

1 stop9h 24m

Denver Intl

Wed 3/4

7:00 am-1:43 pm

1 stop5h 43m

$177

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Thu 2/19

5:59 pm-10:27 pm

1 stop5h 28m

Denver Intl

Tue 2/24

6:20 pm-12:41 am

1 stop5h 21m

$197

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Sat 2/21

7:35 am-3:02 pm

1 stop8h 27m

Denver Intl

Mon 2/23

3:59 pm-12:41 am

1 stop7h 42m

$197

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Sat 2/28

2:35 pm-9:06 pm

1 stop7h 31m

Denver Intl

Fri 3/6

6:20 pm-12:41 am

1 stop5h 21m

$197

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Mon 2/9

1:40 pm-9:14 pm

1 stop8h 34m

Denver Intl

Tue 2/10

4:43 pm-12:39 am

1 stop6h 56m

$197

San AntonioGunnison

SAT - GUC

SATGUC

San Antonio

Tue 1/27

8:30 am-2:43 pm

1 stop7h 13m

Gunnison

Sat 1/31

12:03 pm-7:41 pm

1 stop6h 38m

$211

San AntonioMontrose

SAT - MTJ

SATMTJ

San Antonio

Mon 1/26

7:00 am-12:02 pm

1 stop6h 02m

Montrose County

Wed 1/28

2:57 pm-8:50 pm

1 stop4h 53m

$211

San AntonioMontrose

SAT - MTJ

SATMTJ

San Antonio

Tue 2/17

6:30 am-1:14 pm

1 stop7h 44m

Montrose County

Tue 2/24

2:13 pm-10:28 pm

1 stop7h 15m

$217

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Sat 2/7

2:35 pm-7:58 pm

1 stop6h 23m

Denver Intl

Tue 2/10

6:23 pm-12:41 am

1 stop5h 18m

$217

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Sat 2/7

2:35 pm-7:58 pm

1 stop6h 23m

Denver Intl

Sat 2/14

4:43 pm-12:35 am

1 stop6h 52m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

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 January 12, 2026.

It’s optimal to fly from San Antonio to Colorado in the evening. By choosing this option you can save up to 54% 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 January 10, 2026.

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. Friday 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 January 12, 2026.

The most flights from SAT to USCO are scheduled on a Friday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from San Antonio to Colorado?

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 January 12, 2026.
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.

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

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

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

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

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

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

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

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

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

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

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

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?

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

    A quick flight from San Antonio to Colorado can take about 6h 02m. Delta provides one of the quickest options available for as low as $211. The distance from San Antonio to Colorado is about 821 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 $29 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?

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

    Consider SkyWest Airlines (100%), United Airlines (90%) or Southwest (89%) 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 $82. On average you can expect to pay $701. The most popular route, (San Antonio - Denver Intl), can usually be booked for $114.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 4 airlines flying from San Antonio to Colorado

Discover the top 4 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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$155FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$106Average$412FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$143Average$434FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$176Average$385FlexibilityNo cancel feeOn-time63%

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