Flights from Saint Louis to San Diego from $ 227*
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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 Diego (SAN)
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More United deals on Saint Louis (STL) to San Diego (SAN) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Saint Louis (STL) | San Diego (SAN) | Roundtrip | Economy | 04/25/26 - 05/02/26 | from $ 227 Viewed: 13 hours ago |
| Saint Louis (STL) | San Diego (SAN) | Roundtrip | Economy | 05/27/26 - 06/01/26 | from $ 227 Viewed: 17 hours ago |
| Saint Louis (STL) | San Diego (SAN) | Roundtrip | Economy | 04/15/26 - 04/19/26 | from $ 292 Viewed: 14 hours ago |
| Saint Louis (STL) | San Diego (SAN) | Roundtrip | Economy | 09/18/26 - 09/30/26 | from $ 297 Viewed: 15 hours ago |
| Saint Louis (STL) | San Diego (SAN) | Roundtrip | Economy | 09/17/26 - 09/30/26 | from $ 297 Viewed: 15 hours ago |
| Saint Louis (STL) | San Diego (SAN) | Roundtrip | Economy | 09/19/26 - 09/30/26 | from $ 297 Viewed: 15 hours ago |
| Saint Louis (STL) | San Diego (SAN) | Roundtrip | Economy | 07/23/26 - 07/27/26 | from $ 297 Viewed: 23 hours ago |
| Saint Louis (STL) | San Diego (SAN) | Roundtrip | Economy | 06/25/26 - 06/30/26 | from $ 297 Viewed: 1 hour 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.
