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Cheap flights from San Antonio to Colorado from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Colorado departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Frontier Logo
8:25 pm - 9:48 pmSAT-DEN
2h 23mnonstop
Frontier Logo
4:16 pm - 7:30 pmDEN-SAT
2h 14mnonstop
$90Frontier
Find Deal
Fri, Nov 7 - Sun, Nov 9
Frontier Logo
8:26 pm - 9:49 pmSAT-DEN
2h 23mnonstop
Frontier Logo
8:00 am - 11:14 amDEN-SAT
2h 14mnonstop
$91Frontier
Find Deal
Thu, Oct 16 - Thu, Oct 23
American Airlines Logo
3:29 pm - 9:17 pmSAT-DRO
6h 48m1 stop
American Airlines Logo
6:13 am - 12:43 pmDRO-SAT
5h 30m1 stop
$238American Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21
American Airlines Logo
2:32 pm - 10:09 pmSAT-COS
8h 37m1 stop
American Airlines Logo
12:45 pm - 10:55 pmCOS-SAT
9h 10m1 stop
$243American Airlines
Find Deal
Sat, Nov 1 - Thu, Nov 6
United Airlines Logo
4:39 pm - 10:15 pmSAT-DRO
6h 36m1 stop
United Airlines Logo
3:25 pm - 8:55 pmDRO-SAT
4h 30m1 stop
$248United Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
United Airlines Logo
2:25 pm - 10:15 pmSAT-DRO
8h 50m2 stops
United Airlines Logo
3:25 pm - 8:55 pmDRO-SAT
4h 30m1 stop
$254United Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
Delta Logo
6:05 pm - 10:26 pmSAT-COS
5h 21m1 stop
Delta Logo
1:59 pm - 11:06 pmCOS-SAT
8h 07m1 stop
$257Delta
Find Deal
Wed, Dec 17 - Thu, Dec 25
Southwest Logo
6:15 am - 10:50 amSAT-COS
5h 35m1 stop
Southwest Logo
12:15 pm - 10:15 pmCOS-SAT
9h 00m2 stops
$267Southwest
Find Deal
Wed, Oct 29 - Tue, Nov 4
Southwest Logo
8:25 pm - 11:20 pmSAT-COS
3h 55m1 stop
Southwest Logo
8:15 am - 3:05 pmCOS-SAT
5h 50m1 stop
$272Southwest
Find Deal
Thu, Oct 23 - Tue, Oct 28
Delta Logo
5:14 am - 12:11 pmSAT-COS
7h 57m1 stop
Delta Logo
5:49 pm - 12:31 amCOS-SAT
5h 42m1 stop
$312Delta
Find Deal
Wed, Oct 22 - Sun, Oct 26

Frontier flights from San Antonio to Colorado

Our best Frontier deals on San Antonio to Colorado flight tickets
Frontier
Nov 7
SAT8:25 pmSan Antonio
2h 23m
DEN9:48 pmDenver Intl
Nov 9
DEN4:16 pmDenver Intl
2h 14m
SAT7:30 pmSan Antonio
$90
Find similar
Frontier
Oct 16
SAT8:26 pmSan Antonio
2h 23m
DEN9:49 pmDenver Intl
Oct 23
DEN8:00 amDenver Intl
2h 14m
SAT11:14 amSan Antonio
$91
Find similar
Frontier
Oct 16
SAT8:26 pmSan Antonio
2h 23m
DEN9:49 pmDenver Intl
Oct 23
DEN8:00 amDenver Intl
2h 14m
SAT11:14 amSan Antonio
$92
Find similar

Southwest flights from San Antonio to Colorado

Our best Southwest deals on San Antonio to Colorado flight tickets
Southwest
Oct 29
SAT6:15 amSan Antonio
5h 35m
1 stop
COS10:50 amColorado Springs
Nov 4
COS12:15 pmColorado Springs
9h 00m
2 stops
SAT10:15 pmSan Antonio
$267
Find similar
Southwest
Oct 23
SAT8:25 pmSan Antonio
3h 55m
1 stop
COS11:20 pmColorado Springs
Oct 28
COS8:15 amColorado Springs
5h 50m
1 stop
SAT3:05 pmSan Antonio
$272
Find similar
Southwest
Oct 23
SAT5:45 pmSan Antonio
6h 00m
1 stop
COS10:45 pmColorado Springs
Oct 28
COS10:40 amColorado Springs
9h 35m
2 stops
SAT9:15 pmSan Antonio
$277
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 19, 2025.
Use the filters below to find and compare flights from San Antonio to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Fri 11/7

8:25 pm-9:48 pm

Nonstop2h 23m

Denver Intl

Sun 11/9

4:16 pm-7:30 pm

Nonstop2h 14m

$90

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Thu 10/16

8:26 pm-9:49 pm

Nonstop2h 23m

Denver Intl

Thu 10/23

8:00 am-11:14 am

Nonstop2h 14m

$91

San AntonioDurango

SAT - DRO

SATDRO

San Antonio

Wed 1/14

3:29 pm-9:17 pm

1 stop6h 48m

Durango La Plata County

Wed 1/21

6:13 am-12:43 pm

1 stop5h 30m

$238

San AntonioColorado Springs

SAT - COS

SATCOS

San Antonio

Sat 11/1

2:32 pm-10:09 pm

1 stop8h 37m

Colorado Springs

Thu 11/6

12:45 pm-10:55 pm

1 stop9h 10m

$243

San AntonioDurango

SAT - DRO

SATDRO

San Antonio

Tue 10/7

4:39 pm-10:15 pm

1 stop6h 36m

Durango La Plata County

Sat 10/11

3:25 pm-8:55 pm

1 stop4h 30m

$248

San AntonioDurango

SAT - DRO

SATDRO

San Antonio

Tue 10/7

2:25 pm-10:15 pm

2 stops8h 50m

Durango La Plata County

Sat 10/11

3:25 pm-8:55 pm

1 stop4h 30m

$254

San AntonioColorado Springs

SAT - COS

SATCOS

San Antonio

Wed 12/17

6:05 pm-10:26 pm

1 stop5h 21m

Colorado Springs

Thu 12/25

1:59 pm-11:06 pm

1 stop8h 07m

$257

San AntonioColorado Springs

SAT - COS

SATCOS

San Antonio

Wed 10/29

6:15 am-10:50 am

1 stop5h 35m

Colorado Springs

Tue 11/4

12:15 pm-10:15 pm

2 stops9h 00m

$267

San AntonioColorado Springs

SAT - COS

SATCOS

San Antonio

Thu 10/23

8:25 pm-11:20 pm

1 stop3h 55m

Colorado Springs

Tue 10/28

8:15 am-3:05 pm

1 stop5h 50m

$272

San AntonioColorado Springs

SAT - COS

SATCOS

San Antonio

Wed 10/22

5:14 am-12:11 pm

1 stop7h 57m

Colorado Springs

Sun 10/26

5:49 pm-12:31 am

1 stop5h 42m

$312

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 Colorado from

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

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 Colorado?

The month of October is, on average, the cheapest month to fly to Colorado from San Antonio, with most prices found around $148. The month of February is another great option to travel to Colorado, with average flight prices from San Antonio averaging around $156.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from San Antonio to Colorado is on a Thursday when prices can be found for as low as $284. On the other hand, Monday is the most expensive day to depart from San Antonio because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $434.

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

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $211. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $403 per ticket.

What is the cheapest San Antonio to Colorado flight route?

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

How far in advance should I book a flight to Colorado?

You are more likely to see cheaper flights to Colorado from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $191 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from San Antonio for as low as $157 on momondo.

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

There are 4 cabin classes available to choose from on San Antonio to Colorado 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 San Antonio to Colorado flights?

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

Cheap San Antonio to Colorado flight deals and tips

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

Best Price Found

$105

Fastest flight time

2h 10m

Direct flights

Every day

Airports in Colorado

2 airports
The best one-way flight to Colorado from San Antonio in the past 72 hours is $105. The best round-trip flight deal from San Antonio to Colorado found on momondo in the last 72 hours is $161.
The fastest flight from San Antonio to Colorado takes 2h 10m
Direct flights go from San Antonio to Colorado every day.
There are 2 airports near Colorado: Colorado Springs (COS), Denver Intl (DEN)
Search flight deals

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

    Prices for flights from San Antonio Airport to Colorado are updated daily.

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

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

    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 San Antonio Airport to Colorado.

  • What documentation or ID do you need to fly to Colorado?

    The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from San Antonio to Colorado

Compare and see reviews for airlines that fly from San Antonio to Colorado with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $55Free CancellationRating
5.8
3,171 reviews
Search Frontier flights
American AirlinesPriceFrom $107Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $118Free CancellationRating
7.9
7,964 reviews
Search Delta flights
United AirlinesPriceFrom $149Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Antonio to Colorado. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from San Antonio to Colorado on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential San Antonio to Colorado flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Colorado, momondo offers a useful price alert feature which will track prices for flights to Colorado from San Antonio and alert you when they change.

An easier way to manage your Colorado trip

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