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: Feb 7, 2026 | From $90 Seen: 19 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Mar 4, 2026 | From $90 Seen: 19 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Mar 10, 2026 | From $90 Seen: 19 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Mar 14, 2026 | From $90 Seen: 19 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Mar 7, 2026 | From $90 Seen: 19 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Mar 11, 2026 | From $90 Seen: 19 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Mar 6, 2026 | From $90 Seen: 19 hours ago | |
| San Diego (SAN) | Seattle (SEA) | One-way | Saver | Depart: Mar 12, 2026 | From $90 Seen: 19 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.