Southwest® flights from San Antonio starting at $56

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Book flights from San Antonio with Southwest Airlines

$

San Antonio (SAT)to

Los Angeles (LAX)
Depart: 02/11/2026
From
$56
Seen: 1 hour ago
One-way
Basic

San Antonio (SAT)to

Seattle/Tacoma (SEA)
Depart: 01/14/2026
From
$67
Seen: 2 hrs ago
One-way
Basic

San Antonio (SAT)to

Dallas (Love Field) (DAL)
Depart: 01/06/2026
From
$73
Seen: 2 hrs ago
One-way
Basic

San Antonio (SAT)to

Denver (DEN)
Depart: 01/13/2026
From
$73
Seen: 59 minutes ago
One-way
Basic

San Antonio (SAT)to

Chicago (Midway) (MDW)
Depart: 01/14/2026
From
$73
Seen: 2 hrs ago
One-way
Basic

San Antonio (SAT)to

Phoenix (PHX)
Depart: 01/21/2026
From
$74
Seen: 2 hrs ago
One-way
Basic

San Antonio (SAT)to

Washington, D.C. (Reagan National) (DCA)
Depart: 01/20/2026
From
$76
Seen: 1 hour ago
One-way
Basic

San Antonio (SAT)to

Long Beach (LGB)
Depart: 01/06/2026
From
$76
Seen: 1 hour ago
One-way
Basic

San Antonio (SAT)to

St. Louis (STL)
Depart: 02/03/2026
From
$78
Seen: 1 hour ago
One-way
Basic

San Antonio (SAT)to

Fort Lauderdale (FLL)
Depart: 01/21/2026
From
$80
Seen: 1 hour ago
One-way
Basic

San Antonio (SAT)to

Sacramento (SMF)
Depart: 01/27/2026
From
$80
Seen: 2 hrs ago
One-way
Basic

San Antonio (SAT)to

Ontario/LA (ONT)
Depart: 02/18/2026
From
$80
Seen: 1 hour ago
One-way
Basic

*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

Traveling from San Antonio

Southwest is proud to serve San Antonio International Airport.


Living in the River City has plenty of perks, but if you're longing for different sights and sounds, Southwest can take you there.


Whether you're searching for untamed peaks or rolling plains, Southwest can help you explore new places. Experience thick forests and hike well-worn paths that wind between the trees. Capture unique wildlife photos in wetlands and learn about new habitats and ecosystems. See if you get a kick out of bayou country's spicy flavors and energetic tunes. Or find a mountain retreat to recharge in. Enjoy your après ski by a fireplace with views of winter wonderlands. From humid lowlands to chilly altitudes, there's a wealth of options waiting for you. And don't underestimate the natural beauty of the desert—not to mention the allure of its dry heat. Trade subtropical San Antonio for the climate of your choosing with Southwest.


Lake country offers plenty of opportunities for water enthusiasts. From swimming, fishing, and boating to tubing and jet skiing, your swimsuit won't have time to dry when you visit the Great Lakes and their smaller cousins throughout the Midwest. From big cities to rural lake houses, the Midwest has plenty to see and do whether you thrive on the hum of an urban center or take comfort in the quiet stillness of nature. Don't forget the delicious seafood to be found on either coast, each with their own distinct flavors. Whether you plan to eat your way from sea to shining sea or you simply want to satisfy your wanderlust, Southwest is ready to help you achieve your travel goals.


Details about San Antonio International Airport

San Antonio airport
Airport code:
SAT
City:
San Antonio
State:
Texas
Concourse:
Terminal A
Gates:
Gates A: 9-14
Airport-provided WiFi
Cities with weekly flights from SAT:
119
Cities with daily nonstop flights Monday through Friday from SAT:
18
Cities with daily nonstop flights Saturday through Sunday from SAT:
36§

† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 10/1/2025 and 10/31/2025. Note: route may not operate every day of the week.

‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 10/1/2025 and 10/31/2025.

 

Popular Destinations from San Antonio

$
Popular Destinations from San Antonio
From
To
Fare Type
Dates
Price
San Antonio (SAT)Las Vegas (LAS)One-way
/
Basic
Depart: 02/10/2026

From

$125

Seen: 1 hour ago

San Antonio (SAT)Dallas (Love Field) (DAL)One-way
/
Basic
Depart: 01/06/2026

From

$73

Seen: 2 hrs ago

San Antonio (SAT)Orlando (MCO)One-way
/
Basic
Depart: 01/06/2026

From

$125

Seen: 2 hrs ago

San Antonio (SAT)Denver (DEN)One-way
/
Basic
Depart: 01/13/2026

From

$73

Seen: 59 minutes ago

San Antonio (SAT)Los Angeles (LAX)One-way
/
Basic
Depart: 02/11/2026

From

$56

Seen: 1 hour ago

San Antonio (SAT)Phoenix (PHX)One-way
/
Basic
Depart: 01/21/2026

From

$74

Seen: 2 hrs ago

San Antonio (SAT)Chicago (Midway) (MDW)One-way
/
Basic
Depart: 01/14/2026

From

$73

Seen: 2 hrs ago

San Antonio (SAT)El Paso (ELP)One-way
/
Basic
Depart: 01/07/2026

From

$85

Seen: 1 hour ago

*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

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