Southwest® flights from St. Thomas to San Antonio

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Low fares from St. Thomas to San Antonio

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Low fares from St. Thomas to San Antonio

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Flight Details

Departing from:
Cyril E. King Airport
Arriving at:
San Antonio International Airport
Distance:
2245 miles

Route Information

19† Weekly flights

† 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

There are 19 weekly flights from St. Thomas to San Antonio on Southwest Airlines.
To find the lowest fares by day and time to fly St. Thomas 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 St. Thomas 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.
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