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Cheap flights from San Antonio to Colorado from $54

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 10/18. 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
8:16 pm - 9:44 pmSAT-DEN
2h 28mnonstop
Frontier Logo
11:11 am - 2:27 pmDEN-SAT
2h 16mnonstop
$121Frontier
Find Deal
Thu, Sep 18 - Sat, Sep 20
Frontier Logo
3:22 pm - 4:47 pmSAT-DEN
2h 25mnonstop
Frontier Logo
11:11 am - 2:27 pmDEN-SAT
2h 16mnonstop
$125Frontier
Find Deal
Sat, Sep 13 - Sat, Sep 20
Southwest Logo
5:35 am - 6:45 amSAT-DEN
2h 10mnonstop
Southwest Logo
6:50 pm - 10:00 pmDEN-SAT
2h 10mnonstop
$187Southwest
Find Deal
Sat, Sep 27 - Tue, Sep 30
Delta Logo
7:15 am - 12:00 pmSAT-DEN
5h 45m1 stop
Delta Logo
6:23 pm - 12:31 amDEN-SAT
5h 08m1 stop
$197Delta
Find Deal
Sat, Oct 4 - Sat, Oct 11
American Airlines Logo
4:02 pm - 7:47 pmSAT-DEN
4h 45m1 stop
American Airlines Logo
5:04 pm - 10:39 pmDEN-SAT
4h 35m1 stop
$202American Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
12:45 pm - 7:40 pmSAT-COS
7h 55m1 stop
Delta Logo
5:49 pm - 12:31 amCOS-SAT
5h 42m1 stop
$227Delta
Find Deal
Sat, Nov 1 - Thu, Nov 6
United Airlines Logo
1:44 pm - 4:55 pmSAT-GJT
4h 11m1 stop
United Airlines Logo
7:20 am - 12:48 pmGJT-SAT
4h 28m1 stop
$229United Airlines
Find Deal
Mon, Aug 25 - Sun, Aug 31
American Airlines Logo
6:00 am - 11:37 amSAT-COS
6h 37m1 stop
American Airlines Logo
6:02 am - 11:54 amCOS-SAT
4h 52m1 stop
$232American Airlines
Find Deal
Sun, Aug 31 - Thu, Sep 4
United Airlines Logo
2:25 pm - 10:10 pmSAT-GJT
8h 45m2 stops
United Airlines Logo
7:20 am - 12:48 pmGJT-SAT
4h 28m1 stop
$234United Airlines
Find Deal
Mon, Aug 25 - Sun, Aug 31
Southwest Logo
5:35 am - 10:10 amSAT-COS
5h 35m1 stop
Southwest Logo
4:55 pm - 11:15 pmCOS-SAT
5h 20m1 stop
$237Southwest
Find Deal
Thu, Sep 4 - Mon, Sep 8

Frontier flights from San Antonio to Colorado

Our best Frontier deals on San Antonio to Colorado flight tickets
Frontier
Sep 18
SAT8:16 pmSan Antonio
2h 28m
DEN9:44 pmDenver Intl
Sep 20
DEN11:11 amDenver Intl
2h 16m
SAT2:27 pmSan Antonio
$121
Find similar
Frontier
Sep 13
SAT3:22 pmSan Antonio
2h 25m
DEN4:47 pmDenver Intl
Sep 20
DEN11:11 amDenver Intl
2h 16m
SAT2:27 pmSan Antonio
$125
Find similar
Frontier
Oct 4
SAT3:22 pmSan Antonio
2h 25m
DEN4:47 pmDenver Intl
Oct 11
DEN12:00 pmDenver Intl
2h 14m
SAT3:14 pmSan Antonio
$126
Find similar

American Airlines flights from San Antonio to Colorado

Our best American Airlines deals on San Antonio to Colorado flight tickets
American Airlines
Oct 4
SAT4:02 pmSan Antonio
4h 45m
1 stop
DEN7:47 pmDenver Intl
Oct 7
DEN5:04 pmDenver Intl
4h 35m
1 stop
SAT10:39 pmSan Antonio
$202
Find similar
American Airlines
Aug 31
SAT6:00 amSan Antonio
6h 37m
1 stop
COS11:37 amColorado Springs
Sep 4
COS6:02 amColorado Springs
4h 52m
1 stop
SAT11:54 amSan Antonio
$232
Find similar
American Airlines
Aug 15
SAT6:45 pmSan Antonio
4h 45m
1 stop
DRO10:30 pmDurango La Plata County
Aug 19
DRO5:55 amDurango La Plata County
6h 25m
1 stop
SAT1:20 pmSan Antonio
$238
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 August 2, 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

Thu 9/18

8:16 pm-9:44 pm

Nonstop2h 28m

Denver Intl

Sat 9/20

11:11 am-2:27 pm

Nonstop2h 16m

$121

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Sat 9/13

3:22 pm-4:47 pm

Nonstop2h 25m

Denver Intl

Sat 9/20

11:11 am-2:27 pm

Nonstop2h 16m

$125

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Sat 9/27

5:35 am-6:45 am

Nonstop2h 10m

Denver Intl

Tue 9/30

6:50 pm-10:00 pm

Nonstop2h 10m

$187

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Sat 10/4

7:15 am-12:00 pm

1 stop5h 45m

Denver Intl

Sat 10/11

6:23 pm-12:31 am

1 stop5h 08m

$197

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Sat 10/4

4:02 pm-7:47 pm

1 stop4h 45m

Denver Intl

Tue 10/7

5:04 pm-10:39 pm

1 stop4h 35m

$202

San AntonioColorado Springs

SAT - COS

SATCOS

San Antonio

Sat 11/1

12:45 pm-7:40 pm

1 stop7h 55m

Colorado Springs

Thu 11/6

5:49 pm-12:31 am

1 stop5h 42m

$227

San AntonioGrand Junction

SAT - GJT

SATGJT

San Antonio

Mon 8/25

1:44 pm-4:55 pm

1 stop4h 11m

Grand Junction Regnl

Sun 8/31

7:20 am-12:48 pm

1 stop4h 28m

$229

San AntonioColorado Springs

SAT - COS

SATCOS

San Antonio

Sun 8/31

6:00 am-11:37 am

1 stop6h 37m

Colorado Springs

Thu 9/4

6:02 am-11:54 am

1 stop4h 52m

$232

San AntonioGrand Junction

SAT - GJT

SATGJT

San Antonio

Mon 8/25

2:25 pm-10:10 pm

2 stops8h 45m

Grand Junction Regnl

Sun 8/31

7:20 am-12:48 pm

1 stop4h 28m

$234

San AntonioColorado Springs

SAT - COS

SATCOS

San Antonio

Thu 9/4

5:35 am-10:10 am

1 stop5h 35m

Colorado Springs

Mon 9/8

4:55 pm-11:15 pm

1 stop5h 20m

$237

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 August is, on average, the cheapest month to fly to Colorado from San Antonio, with most prices found around $146. The month of September is another great option to travel to Colorado, with average flight prices from San Antonio averaging around $148.

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 $290. 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 $429.

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 $200. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $393 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 $185 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 $140 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

$54

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 $54. The best round-trip flight deal from San Antonio to Colorado found on momondo in the last 72 hours is $121.
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 $41Free CancellationRating
5.8
3,237 reviews
Search Frontier flights
American AirlinesPriceFrom $107Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $118Free CancellationRating
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom $148Free CancellationRating
7.4
8,905 reviews
Search United Airlines flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,246 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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