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Cheap flights from Colorado to San Antonio from $22

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to San Antonio departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Colorado to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:45 am - 9:06 am
DEN
-
SAT
2h 21mnonstop
Frontier Logo
10:05 am - 11:29 am
SAT
-
DEN
2h 24mnonstop
$86Frontier
Sat, Mar 7 - Sat, Mar 14
Frontier Logo
10:30 am - 1:45 pm
DEN
-
SAT
2h 15mnonstop
Frontier Logo
6:12 pm - 7:37 pm
SAT
-
DEN
2h 25mnonstop
$87Frontier
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
1:41 pm - 8:54 pm
DRO
-
SAT
6h 13m
1 stop
United Airlines Logo
5:47 am - 10:58 am
SAT
-
DRO
6h 11m
1 stop
$200United Airlines
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
1:41 pm - 10:57 pm
DRO
-
SAT
8h 16m
2 stops
United Airlines Logo
5:47 am - 9:38 am
SAT
-
DRO
4h 51m
1 stop
$206United Airlines
Fri, Mar 6 - Tue, Mar 10
American Airlines Logo
4:46 pm - 10:54 pm
GJT
-
SAT
5h 08m
1 stop
American Airlines Logo
6:00 am - 10:05 am
SAT
-
GJT
5h 05m
1 stop
$211American Airlines
Sat, Feb 21 - Wed, Feb 25
American Airlines Logo
4:46 pm - 11:59 pm
GJT
-
SAT
6h 13m
1 stop
American Airlines Logo
2:49 pm - 9:23 pm
SAT
-
GJT
7h 34m
1 stop
$235American Airlines
Thu, Feb 19 - Mon, Feb 23
Delta Logo
12:00 pm - 9:28 pm
COS
-
SAT
8h 28m
1 stop
Delta Logo
5:30 am - 12:25 pm
SAT
-
COS
7h 55m
1 stop
$257Delta
Sat, Feb 28 - Wed, Mar 4
Southwest Logo
9:45 am - 5:35 pm
COS
-
SAT
6h 50m
1 stop
Southwest Logo
10:55 am - 3:55 pm
SAT
-
COS
6h 00m
1 stop
$277Southwest
Sat, Feb 28 - Wed, Mar 4
Southwest Logo
9:45 am - 5:35 pm
COS
-
SAT
6h 50m
1 stop
Southwest Logo
2:45 pm - 9:35 pm
SAT
-
COS
7h 50m
2 stops
$282Southwest
Sat, Feb 28 - Wed, Mar 4
Delta Logo
8:15 am - 4:59 pm
COS
-
SAT
7h 44m
1 stop
Delta Logo
5:10 am - 12:33 pm
SAT
-
COS
8h 23m
1 stop
$301Delta
Mon, Mar 9 - Wed, Mar 11

Frontier flights from Colorado to San Antonio

Our best Frontier deals on Colorado to San Antonio flight tickets
Frontier
Mar 7
DEN5:45 amDenver Intl
2h 21m
SAT9:06 amSan Antonio
Mar 14
SAT10:05 amSan Antonio
2h 24m
DEN11:29 amDenver Intl
$86
Frontier
Mar 3
DEN10:30 amDenver Intl
2h 15m
SAT1:45 pmSan Antonio
Mar 4
SAT6:12 pmSan Antonio
2h 25m
DEN7:37 pmDenver Intl
$87
Frontier
Mar 24
DEN9:00 pmDenver Intl
2h 17m
SAT12:17 amSan Antonio
Mar 25
SAT6:45 amSan Antonio
2h 23m
DEN8:08 amDenver Intl
$88

Delta flights from Colorado to San Antonio

Our best Delta deals on Colorado to San Antonio flight tickets
Delta
Mar 9
GJT5:15 pmGrand Junction Regnl
6h 01m
1 stop
SAT12:16 amSan Antonio
Mar 16
SAT5:59 pmSan Antonio
4h 54m
1 stop
GJT9:53 pmGrand Junction Regnl
$217
Delta
Feb 28
COS12:00 pmColorado Springs
8h 28m
1 stop
SAT9:28 pmSan Antonio
Mar 4
SAT5:30 amSan Antonio
7h 55m
1 stop
COS12:25 pmColorado Springs
$257
Delta
Mar 9
COS1:28 pmColorado Springs
8h 02m
1 stop
SAT10:30 pmSan Antonio
Mar 10
SAT6:13 amSan Antonio
7h 20m
1 stop
COS12:33 pmColorado Springs
$301

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated February 7, 2026.
Use the filters below to find and compare flights from Colorado to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Sat 3/7

5:45 am-9:06 am

Nonstop2h 21m

San Antonio

Sat 3/14

10:05 am-11:29 am

Nonstop2h 24m

$86

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Tue 3/3

10:30 am-1:45 pm

Nonstop2h 15m

San Antonio

Wed 3/4

6:12 pm-7:37 pm

Nonstop2h 25m

$87

DurangoSan Antonio

DRO - SAT

DROSAT

Durango La Plata County

Fri 3/6

1:41 pm-8:54 pm

1 stop6h 13m

San Antonio

Tue 3/10

5:47 am-10:58 am

1 stop6h 11m

$200

DurangoSan Antonio

DRO - SAT

DROSAT

Durango La Plata County

Fri 3/6

1:41 pm-10:57 pm

2 stops8h 16m

San Antonio

Tue 3/10

5:47 am-9:38 am

1 stop4h 51m

$206

Grand JunctionSan Antonio

GJT - SAT

GJTSAT

Grand Junction Regnl

Sat 2/21

4:46 pm-10:54 pm

1 stop5h 08m

San Antonio

Wed 2/25

6:00 am-10:05 am

1 stop5h 05m

$211

Grand JunctionSan Antonio

GJT - SAT

GJTSAT

Grand Junction Regnl

Thu 2/19

4:46 pm-11:59 pm

1 stop6h 13m

San Antonio

Mon 2/23

2:49 pm-9:23 pm

1 stop7h 34m

$235

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Sat 2/28

12:00 pm-9:28 pm

1 stop8h 28m

San Antonio

Wed 3/4

5:30 am-12:25 pm

1 stop7h 55m

$257

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Sat 2/28

9:45 am-5:35 pm

1 stop6h 50m

San Antonio

Wed 3/4

10:55 am-3:55 pm

1 stop6h 00m

$277

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Sat 2/28

9:45 am-5:35 pm

1 stop6h 50m

San Antonio

Wed 3/4

2:45 pm-9:35 pm

2 stops7h 50m

$282

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Mon 3/9

8:15 am-4:59 pm

1 stop7h 44m

San Antonio

Wed 3/11

5:10 am-12:33 pm

1 stop8h 23m

$301

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Colorado to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of September, then book flights to San Antonio from Colorado during July instead. Flights to San Antonio in July, while not as cheap as those in September, still average around $197.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Saturday when prices can be found for as low as $200. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $283.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the afternoon. momondo users have found flights departing from Colorado to San Antonio in the afternoon for as low as $194. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the evening, with an average ticket price of $238. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Colorado to San Antonio flight route?

Fly from Denver Intl to San Antonio for the best Colorado - San Antonio flight prices

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $216 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Colorado for as low as $124 on momondo.

What cabin class options are available on Colorado to San Antonio flights?

There are 4 cabin classes available to choose from on Colorado to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Colorado to San Antonio flights?

No. A direct flight is the cheapest option for a flight between Colorado to San Antonio.

Cheap Colorado to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to San Antonio

Best Price Found

$108

Fastest flight time

2h 05m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Colorado in the past 72 hours is $108. The best round-trip flight deal from Colorado to San Antonio found on momondo in the last 72 hours is $137.
The fastest flight from Colorado to San Antonio takes 2h 05m
Direct flights go from Colorado to San Antonio every day.
There is 1 airport in San Antonio. From Colorado there are direct flights to San Antonio (SAT).
Search flight deals

  • When did momondo last update prices for flights from Colorado to San Antonio Airport?

    Prices for flights from Colorado to San Antonio Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Colorado to San Antonio Airport?

  • How old do you have to be to fly from Colorado to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Colorado to San Antonio?

Best airlines flying from Colorado to San Antonio

Compare and see reviews for airlines that fly from Colorado to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $59Free CancellationRating
5.7
3,054 reviews
Search Frontier flights
United AirlinesPriceFrom $132Free CancellationRating
7.4
9,245 reviews
Search United Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,248 reviews
Search American Airlines flights
SouthwestPriceFrom $197Free CancellationRating
8.0
4,280 reviews
Search Southwest flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Pleasanton
Schertz

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to San Antonio?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to San Antonio for you.

Can I find flights from Colorado to San Antonio with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Antonio from Colorado with this policy.

How can momondo help me find flights from Colorado to San Antonio?

momondo helps you find the best flight between Colorado and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Colorado to San Antonio right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Colorado to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.

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