Flights from Saint Louis to San Antonio from $ 291*
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1 Passenger, Economy
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today
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Featured daily fares for flights from Saint Louis (STL) to San Antonio (SAT)
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Try alternate month or interact with individual days below in order to find offers.
More United deals on Saint Louis (STL) to San Antonio (SAT) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Saint Louis (STL) | San Antonio (SAT) | Roundtrip | Economy | 05/22/26 - 08/06/26 | from $ 291 Viewed: 1 day ago |
| Saint Louis (STL) | San Antonio (SAT) | Roundtrip | Economy | 05/22/26 - 05/24/26 | from $ 291 Viewed: 22 hours ago |
| Saint Louis (STL) | San Antonio (SAT) | Roundtrip | Economy | 07/28/26 - 08/01/26 | from $ 291 Viewed: 23 hours ago |
| Saint Louis (STL) | San Antonio (SAT) | Roundtrip | Economy | 05/22/26 - 05/24/26 | from $ 502 Viewed: 22 hours ago |
| Saint Louis (STL) | San Antonio (SAT) | Roundtrip | Economy | 07/28/26 - 08/01/26 | from $ 502 Viewed: 23 hours ago |
| Saint Louis (STL) | San Antonio (SAT) | Roundtrip | Economy | 05/22/26 - 08/06/26 | from $ 506 Viewed: 1 day ago |
| Saint Louis (STL) | San Antonio (SAT) | Roundtrip | Economy | 05/22/26 - 05/24/26 | from $ 633 Viewed: 22 hours ago |
| Saint Louis (STL) | San Antonio (SAT) | Roundtrip | Economy | 07/09/26 - 07/12/26 | from $ 291 Viewed: 16 minutes ago |
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
