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Cheap flights from the United States to San Antonio from $32

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to San Antonio departing on 11/13. 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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0 bags

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Find the cheapest flights from the United States to San Antonio

Recent round-trip flight deals from the United States to San Antonio

Enter your travel dates to find the best prices.
Spirit Airlines Logo
7:00 pm - 11:45 pmLAX-SAT
2h 45mnonstop
Spirit Airlines Logo
6:45 am - 8:09 amSAT-LAX
3h 24mnonstop
$99Spirit Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Frontier Logo
11:00 am - 2:17 pmDEN-SAT
2h 17mnonstop
Frontier Logo
10:04 am - 10:41 pmSAT-DEN
13h 37m1 stop
$99Frontier
Find Deal
Sat, Nov 15 - Mon, Nov 17
Southwest Logo
6:45 pm - 9:55 pmDEN-SAT
2h 10mnonstop
Southwest Logo
6:15 pm - 7:35 pmSAT-DEN
2h 20mnonstop
$117Southwest
Find Deal
Fri, Jan 9 - Tue, Jan 13
United Airlines Logo
9:53 am - 1:09 pmDEN-SAT
2h 16mnonstop
United Airlines Logo
8:30 am - 9:59 amSAT-DEN
2h 29mnonstop
$127United Airlines
Find Deal
Sun, Feb 8 - Tue, Feb 10
American Airlines Logo
9:47 am - 2:40 pmLAX-SAT
2h 53mnonstop
American Airlines Logo
7:15 am - 8:50 amSAT-LAX
3h 35mnonstop
$143American Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 15
Southwest Logo
1:45 pm - 9:40 pmDEN-SAT
6h 55m1 stop
Southwest Logo
6:15 pm - 7:35 pmSAT-DEN
2h 20mnonstop
$147Southwest
Find Deal
Fri, Jan 9 - Tue, Jan 13
Delta Logo
7:05 am - 1:34 pmDEN-SAT
5h 29m1 stop
Delta Logo
5:30 am - 12:04 pmSAT-DEN
7h 34m1 stop
$177Delta
Find Deal
Sun, Feb 8 - Tue, Feb 10
United Airlines Logo
9:53 am - 1:09 pmDEN-SAT
2h 16mnonstop
United Airlines Logo
8:30 am - 9:59 amSAT-DEN
2h 29mnonstop
$187United Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 1
American Airlines Logo
8:00 am - 3:45 pmJFK-SAT
8h 45m2 stops
American Airlines Logo
7:00 am - 1:29 pmSAT-JFK
5h 29m1 stop
$256American Airlines
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Sat, Jan 24 - Tue, Jan 27
Delta Logo
6:00 am - 10:56 amIAD-SAT
5h 56m1 stop
Delta Logo
8:00 am - 2:40 pmSAT-IAD
5h 40m1 stop
$259Delta
Find Deal
Wed, Dec 3 - Sat, Dec 6

Frontier flights from United States to San Antonio

Our best Frontier deals on United States to San Antonio flight tickets
Frontier
Nov 15
DEN11:00 amDenver Intl
2h 17m
SAT2:17 pmSan Antonio
Nov 17
SAT10:04 amSan Antonio
13h 37m
1 stop
DEN10:41 pmDenver Intl
$99
Find similar
Frontier
Nov 12
DEN10:29 pmDenver Intl
13h 50m
1 stop
SAT1:19 pmSan Antonio
Nov 15
SAT3:12 pmSan Antonio
2h 26m
DEN4:38 pmDenver Intl
$100
Find similar
Frontier
Oct 25
DEN1:22 pmDenver Intl
2h 15m
SAT4:37 pmSan Antonio
Oct 31
SAT8:15 pmSan Antonio
2h 23m
DEN9:38 pmDenver Intl
$106
Find similar

Southwest flights from United States to San Antonio

Our best Southwest deals on United States to San Antonio flight tickets
Southwest
Jan 9
DEN6:45 pmDenver Intl
2h 10m
SAT9:55 pmSan Antonio
Jan 13
SAT6:15 pmSan Antonio
2h 20m
DEN7:35 pmDenver Intl
$117
Find similar
Southwest
Jan 9
DEN1:45 pmDenver Intl
6h 55m
1 stop
SAT9:40 pmSan Antonio
Jan 13
SAT6:15 pmSan Antonio
2h 20m
DEN7:35 pmDenver Intl
$147
Find similar
Southwest
Nov 12
LAX9:40 amLos Angeles
2h 45m
SAT2:25 pmSan Antonio
Nov 19
SAT10:55 amSan Antonio
7h 45m
2 stops
LAX4:40 pmLos Angeles
$158
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momondo Fare Finder

 
Customize your flight search to find flights from United States 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 October 16, 2025.
Use the filters below to find and compare flights from the United States to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Wed 11/12

7:00 pm-11:45 pm

Nonstop2h 45m

San Antonio

Wed 11/19

6:45 am-8:09 am

Nonstop3h 24m

$99

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Sat 11/15

11:00 am-2:17 pm

Nonstop2h 17m

San Antonio

Mon 11/17

10:04 am-10:41 pm

1 stop13h 37m

$99

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Fri 1/9

6:45 pm-9:55 pm

Nonstop2h 10m

San Antonio

Tue 1/13

6:15 pm-7:35 pm

Nonstop2h 20m

$117

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Sun 2/8

9:53 am-1:09 pm

Nonstop2h 16m

San Antonio

Tue 2/10

8:30 am-9:59 am

Nonstop2h 29m

$127

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Fri 12/5

9:47 am-2:40 pm

Nonstop2h 53m

San Antonio

Mon 12/15

7:15 am-8:50 am

Nonstop3h 35m

$143

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Fri 1/9

1:45 pm-9:40 pm

1 stop6h 55m

San Antonio

Tue 1/13

6:15 pm-7:35 pm

Nonstop2h 20m

$147

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Sun 2/8

7:05 am-1:34 pm

1 stop5h 29m

San Antonio

Tue 2/10

5:30 am-12:04 pm

1 stop7h 34m

$177

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Fri 1/30

9:53 am-1:09 pm

Nonstop2h 16m

San Antonio

Sun 2/1

8:30 am-9:59 am

Nonstop2h 29m

$187

New YorkSan Antonio

JFK - SAT

JFKSAT

New York John F Kennedy Intl

Sat 1/24

8:00 am-3:45 pm

2 stops8h 45m

San Antonio

Tue 1/27

7:00 am-1:29 pm

1 stop5h 29m

$256

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Wed 12/3

6:00 am-10:56 am

1 stop5h 56m

San Antonio

Sat 12/6

8:00 am-2:40 pm

1 stop5h 40m

$259

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 United States 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 United States during July instead. Flights to San Antonio in July, while not as cheap as those in September, still average around $329.

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 Thursday when prices can be found for as low as $416. 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 $540.

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 evening. momondo users have found flights departing from United States to San Antonio in the evening for as low as $223. 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 morning, with an average ticket price of $451. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest United States to San Antonio flight route?

Fly from Denver Intl to San Antonio for the best United States - 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 United States when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $411 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from United States for as low as $296 on momondo.

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

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

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

Cheap United States to San Antonio flight deals and tips

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

Best Price Found

$48

Fastest flight time

2h 05m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from United States in the past 72 hours is $48. The best round-trip flight deal from United States to San Antonio found on momondo in the last 72 hours is $97.
The fastest flight from United States to San Antonio takes 2h 05m
Direct flights go from United States 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 United States to San Antonio Airport?

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

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

  • How old do you have to be to fly from United States 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 United States to San Antonio Airport.

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

    The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from United States to San Antonio

Compare and see reviews for airlines that fly from United States to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $68Free CancellationRating
5.8
3,137 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $73Free CancellationRating
6.3
8,099 reviews
Search Spirit Airlines flights
DeltaPriceFrom $112Free CancellationRating
7.9
7,982 reviews
Search Delta flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
American AirlinesPriceFrom $170Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
SouthwestPriceFrom $179Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $249Free CancellationRating
8.0
11,102 reviews
Search Alaska Airlines 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 United States to San Antonio?

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

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

Yes. momondo allows you to filter the results for United States to San Antonio flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Antonio from United States.

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

Yes. momondo can track prices for United States to San Antonio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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