Alaska Airlines Flights from Washington, D.C. to San Diego
Lowest fares from Washington, D.C. to San Diego
One-way low-fare flights Washington, D.C. to San Diego.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Washington, D.C. (IAD) | San Diego (SAN) | One-way | Saver | Depart: Apr 29, 2026 | From $129 Seen: 12 hours ago | |
| Washington, D.C. (IAD) | San Diego (SAN) | One-way | Saver | Depart: Apr 28, 2026 | From $129 Seen: 12 hours ago | |
| Washington, D.C. (IAD) | San Diego (SAN) | One-way | Saver | Depart: Apr 18, 2026 | From $139 Seen: 12 hours ago | |
| Washington, D.C. (IAD) | San Diego (SAN) | One-way | Saver | Depart: Apr 22, 2026 | From $139 Seen: 12 hours ago | |
| Washington, D.C. (IAD) | San Diego (SAN) | One-way | Saver | Depart: May 13, 2026 | From $139 Seen: 12 hours ago | |
| Washington, D.C. (IAD) | San Diego (SAN) | One-way | Saver | Depart: May 19, 2026 | From $139 Seen: 12 hours ago | |
| Washington, D.C. (IAD) | San Diego (SAN) | One-way | Saver | Depart: Apr 8, 2026 | From $139 Seen: 12 hours ago | |
| Washington, D.C. (IAD) | San Diego (SAN) | One-way | Saver | Depart: Apr 14, 2026 | From $139 Seen: 12 hours ago | |
| Washington, D.C. (DCA) | San Diego (SAN) | One-way | Saver | Depart: Apr 28, 2026 | From $154 Seen: 13 hours ago | |
| Washington, D.C. (DCA) | San Diego (SAN) | One-way | Saver | Depart: Apr 15, 2026 | From $164 Seen: 13 hours ago | |
| Washington, D.C. (DCA) | San Diego (SAN) | One-way | Saver | Depart: Apr 21, 2026 | From $164 Seen: 13 hours ago | |
| Washington, D.C. (DCA) | San Diego (SAN) | One-way | Saver | Depart: Apr 29, 2026 | From $164 Seen: 13 hours ago | |
| Washington, D.C. (DCA) | San Diego (SAN) | One-way | Saver | Depart: May 19, 2026 | From $164 Seen: 13 hours ago | |
| Washington, D.C. (DCA) | San Diego (SAN) | One-way | Saver | Depart: May 13, 2026 | From $164 Seen: 13 hours ago | |
| Washington, D.C. (DCA) | San Diego (SAN) | One-way | Saver | Depart: May 5, 2026 | From $164 Seen: 13 hours ago | |
| Washington, D.C. (DCA) | San Diego (SAN) | One-way | Saver | Depart: Apr 14, 2026 | From $164 Seen: 13 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.