Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Colorado to San Antonio from $52

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 9/6. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Colorado to San Antonio

Cheap round-trip flights

Frontier Logo
11:11 am - 2:27 pmDEN-SAT
2h 16mnonstop
Frontier Logo
8:20 pm - 9:48 pmSAT-DEN
2h 28mnonstop
$112Frontier
Find Deal
Sat, Sep 20 - Mon, Sep 22
Frontier Logo
10:42 am - 1:59 pmDEN-SAT
2h 17mnonstop
Frontier Logo
2:54 pm - 4:22 pmSAT-DEN
2h 28mnonstop
$116Frontier
Find Deal
Fri, Nov 7 - Sun, Nov 9
United Airlines Logo
5:35 pm - 8:46 pmDEN-SAT
2h 11mnonstop
United Airlines Logo
1:44 pm - 3:00 pmSAT-DEN
2h 16mnonstop
$156United Airlines
Find Deal
Tue, Sep 9 - Thu, Sep 11
American Airlines Logo
8:06 am - 3:47 pmDEN-SAT
6h 41m1 stop
American Airlines Logo
9:03 am - 1:55 pmSAT-DEN
5h 52m1 stop
$161American Airlines
Find Deal
Thu, Oct 30 - Sat, Nov 1
American Airlines Logo
6:59 pm - 11:46 pmDEN-SAT
3h 47m1 stop
American Airlines Logo
5:00 am - 8:14 amSAT-DEN
4h 14m1 stop
$163American Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
Southwest Logo
8:55 pm - 12:05 amDEN-SAT
2h 10mnonstop
Southwest Logo
5:30 am - 6:45 amSAT-DEN
2h 15mnonstop
$181Southwest
Find Deal
Thu, Oct 23 - Sun, Oct 26
United Airlines Logo
9:40 am - 12:48 pmDEN-SAT
2h 08mnonstop
United Airlines Logo
7:15 pm - 11:30 pmSAT-DEN
5h 15m1 stop
$183United Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
Delta Logo
5:55 pm - 12:19 amCOS-SAT
5h 24m1 stop
Delta Logo
6:41 am - 12:11 pmSAT-COS
6h 30m1 stop
$197Delta
Find Deal
Thu, Sep 25 - Mon, Oct 6
Delta Logo
6:25 pm - 12:19 amDEN-SAT
4h 54m1 stop
Delta Logo
6:02 pm - 11:08 pmSAT-DEN
6h 06m1 stop
$197Delta
Find Deal
Thu, Sep 11 - Sun, Sep 14
Southwest Logo
8:10 am - 11:20 amDEN-SAT
2h 10mnonstop
Southwest Logo
4:55 pm - 6:10 pmSAT-DEN
2h 15mnonstop
$199Southwest
Find Deal
Tue, Oct 21 - Mon, Oct 27

United Airlines flights from Colorado to San Antonio

Our best United Airlines deals on Colorado to San Antonio flight tickets
United Airlines
Sep 9
DEN5:35 pmDenver Intl
2h 11m
SAT8:46 pmSan Antonio
Sep 11
SAT1:44 pmSan Antonio
2h 16m
DEN3:00 pmDenver Intl
$156
Find similar
United Airlines
Aug 28
DEN9:40 amDenver Intl
2h 08m
SAT12:48 pmSan Antonio
Sep 1
SAT7:15 pmSan Antonio
5h 15m
1 stop
DEN11:30 pmDenver Intl
$183
Find similar
United Airlines
Sep 13
DEN9:40 amDenver Intl
2h 08m
SAT12:48 pmSan Antonio
Sep 16
SAT1:44 pmSan Antonio
2h 16m
DEN3:00 pmDenver Intl
$187
Find similar

American Airlines flights from Colorado to San Antonio

Our best American Airlines deals on Colorado to San Antonio flight tickets
American Airlines
Oct 30
DEN8:06 amDenver Intl
6h 41m
1 stop
SAT3:47 pmSan Antonio
Nov 1
SAT9:03 amSan Antonio
5h 52m
1 stop
DEN1:55 pmDenver Intl
$161
Find similar
American Airlines
Sep 18
DEN6:59 pmDenver Intl
3h 47m
1 stop
SAT11:46 pmSan Antonio
Sep 22
SAT5:00 amSan Antonio
4h 14m
1 stop
DEN8:14 amDenver Intl
$163
Find similar
American Airlines
Sep 4
DEN5:44 amDenver Intl
5h 10m
1 stop
SAT11:54 amSan Antonio
Sep 7
SAT9:11 amSan Antonio
5h 46m
1 stop
DEN1:57 pmDenver Intl
$178
Find similar

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 August 5, 2025.
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 9/20

11:11 am-2:27 pm

Nonstop2h 16m

San Antonio

Mon 9/22

8:20 pm-9:48 pm

Nonstop2h 28m

$112

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Fri 11/7

10:42 am-1:59 pm

Nonstop2h 17m

San Antonio

Sun 11/9

2:54 pm-4:22 pm

Nonstop2h 28m

$116

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Tue 9/9

5:35 pm-8:46 pm

Nonstop2h 11m

San Antonio

Thu 9/11

1:44 pm-3:00 pm

Nonstop2h 16m

$156

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Thu 10/30

8:06 am-3:47 pm

1 stop6h 41m

San Antonio

Sat 11/1

9:03 am-1:55 pm

1 stop5h 52m

$161

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Thu 9/18

6:59 pm-11:46 pm

1 stop3h 47m

San Antonio

Mon 9/22

5:00 am-8:14 am

1 stop4h 14m

$163

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Thu 10/23

8:55 pm-12:05 am

Nonstop2h 10m

San Antonio

Sun 10/26

5:30 am-6:45 am

Nonstop2h 15m

$181

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Thu 8/28

9:40 am-12:48 pm

Nonstop2h 08m

San Antonio

Mon 9/1

7:15 pm-11:30 pm

1 stop5h 15m

$183

Colorado SpringsSan Antonio

COS - SAT

COSSAT

Colorado Springs

Thu 9/25

5:55 pm-12:19 am

1 stop5h 24m

San Antonio

Mon 10/6

6:41 am-12:11 pm

1 stop6h 30m

$197

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Thu 9/11

6:25 pm-12:19 am

1 stop4h 54m

San Antonio

Sun 9/14

6:02 pm-11:08 pm

1 stop6h 06m

$197

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Tue 10/21

8:10 am-11:20 am

Nonstop2h 10m

San Antonio

Mon 10/27

4:55 pm-6:10 pm

Nonstop2h 15m

$199

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August, then book flights to San Antonio from Colorado during October instead. Flights to San Antonio in October, while not as cheap as those in August, still average around $158.

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 Tuesday when prices can be found for as low as $189. 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 Friday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Friday is $266.

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 $191. 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 $253. 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 $220 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 $141 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

$52

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 $52. The best round-trip flight deal from Colorado to San Antonio found on momondo in the last 72 hours is $112.
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 near San Antonio: 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 $52Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
United AirlinesPriceFrom $145Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $197Free CancellationRating
8.0
4,246 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
Schertz
Pleasanton

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.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 8/10
Sun 8/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States