Flights from San Juan to Saint Louis from $ 284*
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Featured daily fares for flights from San Juan (SJU) to Saint Louis (STL)
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More United deals on San Juan (SJU) to Saint Louis (STL) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| San Juan (SJU) | Saint Louis (STL) | Roundtrip | Economy | 06/26/2025 - 06/30/2025 | from $ 284 Viewed: 1 day ago |
| San Juan (SJU) | Saint Louis (STL) | Roundtrip | Economy | 06/26/2025 - 07/10/2025 | from $ 286 Viewed: 1 day ago |
| San Juan (SJU) | Saint Louis (STL) | Roundtrip | Economy | 06/25/2025 - 07/02/2025 | from $ 307 Viewed: 1 day ago |
| San Juan (SJU) | Saint Louis (STL) | Roundtrip | Economy | 08/08/2025 - 08/12/2025 | from $ 313 Viewed: 1 day ago |
| San Juan (SJU) | Saint Louis (STL) | Roundtrip | Economy | 06/18/2025 - 07/02/2025 | from $ 313 Viewed: 1 day ago |
| San Juan (SJU) | Saint Louis (STL) | Roundtrip | Economy | 08/23/2025 - 09/06/2025 | from $ 315 Viewed: 1 day ago |
| San Juan (SJU) | Saint Louis (STL) | Roundtrip | Economy | 08/14/2025 - 08/18/2025 | from $ 315 Viewed: 1 day ago |
| San Juan (SJU) | Saint Louis (STL) | Roundtrip | Economy | 08/07/2025 - 08/11/2025 | from $ 323 Viewed: 1 day 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.