Alaska Airlines Flights from Seattle to San Antonio
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1 Passenger
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Lowest fares from Seattle to San Antonio
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One-way low-fare flights Seattle to San Antonio.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | San Antonio (SAT) | One-way | Saver | Depart: Oct 9, 2025 | From $139 Seen: 12 hours ago | |
| Seattle (SEA) | San Antonio (SAT) | One-way | Saver | Depart: Oct 17, 2025 | From $139 Seen: 12 hours ago | |
| Seattle (SEA) | San Antonio (SAT) | One-way | Saver | Depart: Oct 26, 2025 | From $139 Seen: 12 hours ago | |
| Seattle (SEA) | San Antonio (SAT) | One-way | Saver | Depart: Nov 7, 2025 | From $139 Seen: 12 hours ago | |
| Seattle (SEA) | San Antonio (SAT) | One-way | Saver | Depart: Nov 13, 2025 | From $139 Seen: 12 hours ago | |
| Seattle (SEA) | San Antonio (SAT) | One-way | Saver | Depart: Nov 17, 2025 | From $139 Seen: 12 hours ago | |
| Seattle (SEA) | San Antonio (SAT) | One-way | Saver | Depart: Dec 6, 2025 | From $139 Seen: 12 hours ago | |
| Seattle (SEA) | San Antonio (SAT) | One-way | Saver | Depart: Jan 20, 2026 | From $139 Seen: 12 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.