Alaska Airlines Flights from San Diego to Seattle
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1 Passenger
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Lowest fares from San Diego to Seattle
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One-way low-fare flights San Diego to Seattle.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Jun 2, 2026 | From $103 Seen: 10 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Jun 3, 2026 | From $103 Seen: 10 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Jun 10, 2026 | From $103 Seen: 10 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: May 5, 2026 | From $113 Seen: 10 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: May 13, 2026 | From $113 Seen: 10 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Aug 11, 2026 | From $113 Seen: 10 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Aug 12, 2026 | From $113 Seen: 10 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Aug 19, 2026 | From $113 Seen: 10 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.