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Find low faresSouthwest® flights from Atlanta to San Antonio from $118
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Low fares from Atlanta to San Antonio
$
Atlanta (ATL)to
San Antonio (SAT)
Depart: 04/14/2026
One-way
Basic
From
$118
Seen: 11 hrs ago
Atlanta (ATL)to
San Antonio (SAT)
Depart: 04/08/2026
One-way
Basic
From
$118
Seen: 10 hrs ago
Atlanta (ATL)to
San Antonio (SAT)
Depart: 04/07/2026
One-way
Basic
From
$118
Seen: 11 hrs ago
Atlanta (ATL)to
San Antonio (SAT)
Depart: 04/28/2026
One-way
Basic
From
$118
Seen: 11 hrs ago
Atlanta (ATL)to
San Antonio (SAT)
Depart: 05/05/2026
One-way
Basic
From
$119
Seen: 13 hrs ago
Atlanta (ATL)to
San Antonio (SAT)
Depart: 04/29/2026
One-way
Basic
From
$119
Seen: 14 hrs ago
Explore flights from Atlanta to San Antonio
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Flight Details
Departing from:
Hartsfield-Jackson Atlanta International Airport
Arriving at:
San Antonio International Airport
Average flight time:
2 hours 32 minutes
Distance:
874 miles
Route Information
156† Weekly flights
- 1‡ Nonstop flight per day Monday through Friday
- 1‡ Nonstop flight on Saturday
- 1‡ Nonstop flight on Sunday
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
The average flight time from Atlanta to San Antonio is 2 hours 32 minutes.
There are 156 weekly flights from Atlanta to San Antonio on Southwest Airlines.
Yes, Southwest flies nonstop from Atlanta to San Antonio once per day from Monday through Friday.
Yes, Southwest flies nonstop from Atlanta to San Antonio once per day on Saturdays and Sundays.
To find the lowest fares by day and time to fly Atlanta to San Antonio with Southwest, check out our Low Fare Calendar.
You can rent a car at San Antonio International Airport book yours with your flight.
Yes! Flights from Atlanta to San Antonio—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.