Flights from Boston to San Antonio from $ 354*
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1 Passenger, Economy
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today
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Featured daily fares for flights from Boston (BOS) to San Antonio (SAT)
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More United deals on Boston (BOS) to San Antonio (SAT) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Boston (BOS) | San Antonio (SAT) | Roundtrip | Economy | 05/16/26 - 05/19/26 | from $ 354 Viewed: 13 hours ago |
| Boston (BOS) | San Antonio (SAT) | Roundtrip | Economy | 05/15/26 - 05/19/26 | from $ 354 Viewed: 13 hours ago |
| Boston (BOS) | San Antonio (SAT) | Roundtrip | Economy | 07/02/26 - 07/09/26 | from $ 359 Viewed: 13 hours ago |
| Boston (BOS) | San Antonio (SAT) | Roundtrip | Economy | 07/10/26 - 07/17/26 | from $ 359 Viewed: 13 hours ago |
| Boston (BOS) | San Antonio (SAT) | Roundtrip | Economy | 07/10/26 - 07/13/26 | from $ 359 Viewed: 13 hours ago |
| Boston (BOS) | San Antonio (SAT) | Roundtrip | Economy | 07/11/26 - 07/14/26 | from $ 359 Viewed: 13 hours ago |
| Boston (BOS) | San Antonio (SAT) | Roundtrip | Economy | 06/04/26 - 06/08/26 | from $ 359 Viewed: 13 hours ago |
| Boston (BOS) | San Antonio (SAT) | Roundtrip | Economy | 06/05/26 - 06/09/26 | from $ 359 Viewed: 13 hours 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.
