United flights from Washington, D.C. to San Diego from $ 237* or from $/mo
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Featured daily fares for flights from Washington, D.C. (IAD) to San Diego (SAN)
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More United deals on Washington, D.C. (IAD) to San Diego (SAN) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Washington, D.C. (IAD) | San Diego (SAN) | Roundtrip | Economy | 06/10/25 - 06/17/25 | from $ 237 Viewed: 9 hours ago |
| Washington, D.C. (IAD) | San Diego (SAN) | Roundtrip | Economy | 11/11/25 - 11/11/25 | from $ 237 Viewed: 13 hours ago |
| Washington, D.C. (IAD) | San Diego (SAN) | Roundtrip | Economy | 11/08/25 - 11/15/25 | from $ 237 Viewed: 2 hours ago |
| Washington, D.C. (IAD) | San Diego (SAN) | Roundtrip | Economy | 10/11/25 - 11/12/25 | from $ 237 Viewed: 12 hours ago |
| Washington, D.C. (IAD) | San Diego (SAN) | Roundtrip | Economy | 09/02/25 - 09/06/25 | from $ 237 Viewed: 1 day ago |
| Washington, D.C. (IAD) | San Diego (SAN) | Roundtrip | Economy | 09/27/25 - 10/04/25 | from $ 237 Viewed: 2 minutes ago |
| Washington, D.C. (IAD) | San Diego (SAN) | Roundtrip | Economy | 11/01/25 - 11/08/25 | from $ 237 Viewed: 1 day ago |
| Washington, D.C. (IAD) | San Diego (SAN) | Roundtrip | Economy | 06/10/25 - 06/17/25 | from $ 237 Viewed: 20 hours ago |
| Washington, D.C. (IAD) | San Diego (SAN) | Roundtrip | Economy | 06/10/25 - 06/13/25 | from $ 257 Viewed: 9 hours ago |
| Washington, D.C. (IAD) | San Diego (SAN) | Roundtrip | Economy | 09/02/25 - 09/05/25 | from $ 257 Viewed: 15 hours ago |
| Washington, D.C. (DCA) | San Diego (SAN) | Roundtrip | Economy | 06/17/25 - 06/20/25 | from $ 292 Viewed: 17 hours ago |
| Washington, D.C. (DCA) | San Diego (SAN) | Roundtrip | Economy | 07/01/25 - 07/04/25 | from $ 332 Viewed: 2 hours ago |
| Washington, D.C. (DCA) | San Diego (SAN) | Roundtrip | Economy | 06/26/25 - 06/30/25 | from $ 332 Viewed: 3 hours ago |
| Washington, D.C. (DCA) | San Diego (SAN) | Roundtrip | Economy | 07/18/25 - 07/22/25 | from $ 337 Viewed: 21 hours ago |
| Washington, D.C. (DCA) | San Diego (SAN) | Roundtrip | Economy | 06/06/25 - 06/08/25 | from $ 372 Viewed: 1 day ago |
| Washington, D.C. (DCA) | San Diego (SAN) | Roundtrip | Economy | 06/05/25 - 06/09/25 | from $ 372 Viewed: 2 hours ago |
| Washington, D.C. (DCA) | San Diego (SAN) | Roundtrip | Economy | 06/17/25 - 06/20/25 | from $ 392 Viewed: 17 hours ago |
| Washington, D.C. (DCA) | San Diego (SAN) | Roundtrip | Economy | 07/01/25 - 07/04/25 | from $ 432 Viewed: 2 hours ago |
| Washington, D.C. (DCA) | San Diego (SAN) | Roundtrip | Economy | 06/26/25 - 06/30/25 | from $ 432 Viewed: 3 hours ago |
| Washington, D.C. (DCA) | San Diego (SAN) | Roundtrip | Economy | 07/18/25 - 07/22/25 | from $ 437 Viewed: 21 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.
