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Cheap flights from the United States to San Antonio from $51

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 11/10. 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

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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

Spirit Airlines Logo
9:12 am - 2:07 pmLAX-SAT
2h 55mnonstop
Spirit Airlines Logo
3:02 pm - 4:23 pmSAT-LAX
3h 21mnonstop
$103Spirit Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
Spirit Airlines Logo
9:12 am - 2:07 pmLAX-SAT
2h 55mnonstop
Spirit Airlines Logo
3:02 pm - 4:23 pmSAT-LAX
3h 21mnonstop
$104Spirit Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 9
United Airlines Logo
4:15 pm - 9:29 pmBWI-SAT
6h 14m1 stop
United Airlines Logo
2:25 pm - 10:59 pmSAT-BWI
7h 34m1 stop
$167United Airlines
Find Deal
Wed, Oct 22 - Sat, Oct 25
American Airlines Logo
6:14 am - 11:46 amBWI-SAT
6h 32m1 stop
American Airlines Logo
7:21 am - 1:51 pmSAT-BWI
5h 30m1 stop
$168American Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
American Airlines Logo
9:40 am - 2:30 pmLAX-SAT
2h 50mnonstop
American Airlines Logo
7:00 am - 8:39 amSAT-LAX
3h 39mnonstop
$169American Airlines
Find Deal
Wed, Feb 18 - Wed, Mar 4
United Airlines Logo
6:29 am - 3:25 pmBWI-SAT
9h 56m2 stops
United Airlines Logo
1:05 pm - 9:22 pmSAT-BWI
7h 17m1 stop
$172United Airlines
Find Deal
Sat, Oct 18 - Tue, Oct 21
Southwest Logo
11:15 am - 11:00 pmSEA-SAT
9h 45m1 stop
Southwest Logo
4:45 pm - 10:55 pmSAT-SEA
8h 10m2 stops
$208Southwest
Find Deal
Tue, Oct 28 - Tue, Nov 4
Delta Logo
12:40 am - 12:19 pmSEA-SAT
9h 39m1 stop
Delta Logo
6:30 am - 2:45 pmSAT-SEA
10h 15m1 stop
$215Delta
Find Deal
Mon, Mar 9 - Wed, Mar 11
Southwest Logo
5:35 am - 7:35 pmSEA-SAT
12h 00m1 stop
Southwest Logo
8:30 pm - 12:55 amSAT-SEA
6h 25m1 stop
$220Southwest
Find Deal
Thu, Dec 18 - Mon, Dec 22
Delta Logo
5:00 pm - 12:31 amSEA-SAT
5h 31m1 stop
Delta Logo
12:40 pm - 6:24 pmSAT-SEA
7h 44m1 stop
$227Delta
Find Deal
Tue, Oct 7 - Sat, Oct 11

Delta flights from United States to San Antonio

Our best Delta deals on United States to San Antonio flight tickets
Delta
Mar 9
SEA12:40 amSeattle/Tacoma Intl
9h 39m
1 stop
SAT12:19 pmSan Antonio
Mar 11
SAT6:30 amSan Antonio
10h 15m
1 stop
SEA2:45 pmSeattle/Tacoma Intl
$215
Find similar
Delta
Oct 7
SEA5:00 pmSeattle/Tacoma Intl
5h 31m
1 stop
SAT12:31 amSan Antonio
Oct 11
SAT12:40 pmSan Antonio
7h 44m
1 stop
SEA6:24 pmSeattle/Tacoma Intl
$227
Find similar
Delta
Sep 30
SEA5:30 amSeattle/Tacoma Intl
6h 02m
1 stop
SAT1:32 pmSan Antonio
Oct 7
SAT6:00 amSan Antonio
9h 00m
1 stop
SEA1:00 pmSeattle/Tacoma Intl
$232
Find similar

United Airlines flights from United States to San Antonio

Our best United Airlines deals on United States to San Antonio flight tickets
United Airlines
Oct 22
BWI4:15 pmBaltimore/Washington
6h 14m
1 stop
SAT9:29 pmSan Antonio
Oct 25
SAT2:25 pmSan Antonio
7h 34m
1 stop
BWI10:59 pmBaltimore/Washington
$167
Find similar
United Airlines
Oct 18
BWI6:29 amBaltimore/Washington
9h 56m
2 stops
SAT3:25 pmSan Antonio
Oct 21
SAT1:05 pmSan Antonio
7h 17m
1 stop
BWI9:22 pmBaltimore/Washington
$172
Find similar
United Airlines
Jan 20
BWI8:00 amBaltimore/Washington
8h 31m
1 stop
SAT3:31 pmSan Antonio
Jan 27
SAT11:43 amSan Antonio
8h 58m
2 stops
BWI9:41 pmBaltimore/Washington
$225
Find similar

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 September 15, 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

Tue 11/11

9:12 am-2:07 pm

Nonstop2h 55m

San Antonio

Tue 11/18

3:02 pm-4:23 pm

Nonstop3h 21m

$103

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Sat 12/6

9:12 am-2:07 pm

Nonstop2h 55m

San Antonio

Tue 12/9

3:02 pm-4:23 pm

Nonstop3h 21m

$104

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Wed 10/22

4:15 pm-9:29 pm

1 stop6h 14m

San Antonio

Sat 10/25

2:25 pm-10:59 pm

1 stop7h 34m

$167

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Wed 10/29

6:14 am-11:46 am

1 stop6h 32m

San Antonio

Wed 11/5

7:21 am-1:51 pm

1 stop5h 30m

$168

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Wed 2/18

9:40 am-2:30 pm

Nonstop2h 50m

San Antonio

Wed 3/4

7:00 am-8:39 am

Nonstop3h 39m

$169

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Sat 10/18

6:29 am-3:25 pm

2 stops9h 56m

San Antonio

Tue 10/21

1:05 pm-9:22 pm

1 stop7h 17m

$172

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Tue 10/28

11:15 am-11:00 pm

1 stop9h 45m

San Antonio

Tue 11/4

4:45 pm-10:55 pm

2 stops8h 10m

$208

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Mon 3/9

12:40 am-12:19 pm

1 stop9h 39m

San Antonio

Wed 3/11

6:30 am-2:45 pm

1 stop10h 15m

$215

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 12/18

5:35 am-7:35 pm

1 stop12h 00m

San Antonio

Mon 12/22

8:30 pm-12:55 am

1 stop6h 25m

$220

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Tue 10/7

5:00 pm-12:31 am

1 stop5h 31m

San Antonio

Sat 10/11

12:40 pm-6:24 pm

1 stop7h 44m

$227

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 October, then book flights to San Antonio from United States during September instead. Flights to San Antonio in September, while not as cheap as those in October, still average around $313.

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 $403. 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 $533.

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 United States to San Antonio in the afternoon for as low as $202. 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 $442. 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 Los Angeles 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 $398 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 $291 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 21m

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 $106.
The fastest flight from United States to San Antonio takes 2h 21m
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 $60Free CancellationRating
5.8
3,172 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $72Free CancellationRating
6.3
8,015 reviews
Search Spirit Airlines flights
DeltaPriceFrom $110Free CancellationRating
7.9
7,954 reviews
Search Delta flights
United AirlinesPriceFrom $143Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
JetBluePriceFrom $153Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $185Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $211Free CancellationRating
8.0
10,000 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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