Cheap flights from the United States to San Antonio from $46

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 1/16. 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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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.
American Airlines Logo
2:31 pm - 3:45 pmDFW-SAT
1h 14mnonstop
American Airlines Logo
8:16 am - 9:37 amSAT-DFW
1h 21mnonstop
$91American Airlines
Find Deal
Sat, Jan 17 - Tue, Jan 20
American Airlines Logo
9:45 pm - 10:58 pmDFW-SAT
1h 13mnonstop
American Airlines Logo
7:00 pm - 8:23 pmSAT-DFW
1h 23mnonstop
$92American Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
Spirit Airlines Logo
4:27 pm - 11:52 pmATL-SAT
8h 25m1 stop
Spirit Airlines Logo
10:35 am - 7:16 pmSAT-ATL
7h 41m1 stop
$114Spirit Airlines
Find Deal
Tue, Jan 27 - Fri, Jan 30
Spirit Airlines Logo
2:12 pm - 6:59 pmLAX-SAT
2h 47mnonstop
Spirit Airlines Logo
7:00 am - 8:26 amSAT-LAX
3h 26mnonstop
$122Spirit Airlines
Find Deal
Tue, Dec 16 - Wed, Dec 17
United Airlines Logo
2:23 pm - 7:41 pmDFW-SAT
5h 18m1 stop
United Airlines Logo
4:04 pm - 7:54 pmSAT-DFW
3h 50m1 stop
$136United Airlines
Find Deal
Wed, Jan 7 - Sat, Jan 10
United Airlines Logo
8:00 pm - 11:13 pmORD-SAT
3h 13mnonstop
United Airlines Logo
7:00 am - 9:51 amSAT-ORD
2h 51mnonstop
$181United Airlines
Find Deal
Thu, Jan 22 - Sun, Jan 25
Delta Logo
7:59 am - 3:21 pmDCA-SAT
8h 22m1 stop
Delta Logo
4:29 pm - 11:32 pmSAT-DCA
6h 03m1 stop
$261Delta
Find Deal
Thu, Jan 8 - Sun, Jan 11
Delta Logo
9:00 am - 3:21 pmIAD-SAT
7h 21m1 stop
Delta Logo
6:30 am - 1:38 pmSAT-IAD
6h 08m1 stop
$261Delta
Find Deal
Thu, Jan 8 - Sun, Jan 11
Southwest Logo
3:30 pm - 9:55 pmDCA-SAT
7h 25m2 stops
Southwest Logo
7:15 am - 2:15 pmSAT-DCA
6h 00m2 stops
$264Southwest
Find Deal
Thu, Jan 15 - Tue, Jan 20
Southwest Logo
6:25 pm - 12:55 amDCA-SAT
7h 30m2 stops
Southwest Logo
5:15 pm - 11:55 pmSAT-DCA
5h 40m1 stop
$265Southwest
Find Deal
Thu, Feb 26 - Sun, Mar 1

American Airlines flights from United States to San Antonio

Our best American Airlines deals on United States to San Antonio flight tickets
American Airlines
Jan 17
DFW2:31 pmDallas/Fort Worth
1h 14m
SAT3:45 pmSan Antonio
Jan 20
SAT8:16 amSan Antonio
1h 21m
DFW9:37 amDallas/Fort Worth
American Airlines
Jan 8
DFW9:45 pmDallas/Fort Worth
1h 13m
SAT10:58 pmSan Antonio
Jan 12
SAT7:00 pmSan Antonio
1h 23m
DFW8:23 pmDallas/Fort Worth
American Airlines
Jan 1
DFW8:22 amDallas/Fort Worth
1h 23m
SAT9:45 amSan Antonio
Jan 8
SAT5:00 amSan Antonio
1h 13m
DFW6:13 amDallas/Fort Worth

Frontier flights from United States to San Antonio

Our best Frontier deals on United States to San Antonio flight tickets
Frontier
Mar 3
LAX6:30 amLos Angeles
6h 44m
1 stop
SAT3:14 pmSan Antonio
Mar 4
SAT4:13 pmSan Antonio
8h 41m
1 stop
LAX10:54 pmLos Angeles
Frontier
Feb 18
LAX9:14 amLos Angeles
25h 15m
1 stop
SAT12:29 pmSan Antonio
Feb 22
SAT1:24 pmSan Antonio
20h 55m
1 stop
LAX8:19 amLos Angeles
Frontier
Feb 10
DFW7:00 amDallas/Fort Worth
8h 14m
1 stop
SAT3:14 pmSan Antonio
Feb 17
SAT4:13 pmSan Antonio
7h 39m
1 stop
DFW11:52 pmDallas/Fort Worth

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 December 3, 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

DallasSan Antonio

DFW - SAT

DFWSAT

Dallas/Fort Worth

Sat 1/17

2:31 pm-3:45 pm

Nonstop1h 14m

San Antonio

Tue 1/20

8:16 am-9:37 am

Nonstop1h 21m

$91

DallasSan Antonio

DFW - SAT

DFWSAT

Dallas/Fort Worth

Thu 1/8

9:45 pm-10:58 pm

Nonstop1h 13m

San Antonio

Mon 1/12

7:00 pm-8:23 pm

Nonstop1h 23m

$92

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Tue 1/27

4:27 pm-11:52 pm

1 stop8h 25m

San Antonio

Fri 1/30

10:35 am-7:16 pm

1 stop7h 41m

$114

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Tue 12/16

2:12 pm-6:59 pm

Nonstop2h 47m

San Antonio

Wed 12/17

7:00 am-8:26 am

Nonstop3h 26m

$122

DallasSan Antonio

DFW - SAT

DFWSAT

Dallas/Fort Worth

Wed 1/7

2:23 pm-7:41 pm

1 stop5h 18m

San Antonio

Sat 1/10

4:04 pm-7:54 pm

1 stop3h 50m

$136

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Thu 1/22

8:00 pm-11:13 pm

Nonstop3h 13m

San Antonio

Sun 1/25

7:00 am-9:51 am

Nonstop2h 51m

$181

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 1/8

7:59 am-3:21 pm

1 stop8h 22m

San Antonio

Sun 1/11

4:29 pm-11:32 pm

1 stop6h 03m

$261

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 1/8

9:00 am-3:21 pm

1 stop7h 21m

San Antonio

Sun 1/11

6:30 am-1:38 pm

1 stop6h 08m

$261

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 1/15

3:30 pm-9:55 pm

2 stops7h 25m

San Antonio

Tue 1/20

7:15 am-2:15 pm

2 stops6h 00m

$264

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 2/26

6:25 pm-12:55 am

2 stops7h 30m

San Antonio

Sun 3/1

5:15 pm-11:55 pm

1 stop5h 40m

$265

Flights are sorted by cheapest round-trip flights 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 Wednesday when prices can be found for as low as $409. 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 $532.

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 $447. 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 Atlanta Hartsfield-Jackson 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 $303 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

$71

Fastest flight time

1h 03m

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 $71. The best round-trip flight deal from United States to San Antonio found on momondo in the last 72 hours is $104.
The fastest flight from United States to San Antonio takes 1h 03m
Direct flights go from United States to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)
  • 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
Spirit AirlinesPriceFrom $70Free CancellationRating
6.3
8,157 reviews
Search Spirit Airlines flights
FrontierPriceFrom $73Free CancellationRating
5.8
3,092 reviews
Search Frontier flights
DeltaPriceFrom $110Free CancellationRating
7.9
8,008 reviews
Search Delta flights
JetBluePriceFrom $118Free CancellationRating
7.2
2,900 reviews
Search JetBlue flights
United AirlinesPriceFrom $142Free CancellationRating
7.4
9,064 reviews
Search United Airlines flights
American AirlinesPriceFrom $170Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
SouthwestPriceFrom $176Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $249Free CancellationRating
8.0
11,392 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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Fri 1/2
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