Alaska Airlines Flights from Portland to San Antonio
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1 Passenger
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Lowest fares from Portland to San Antonio
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One-way low-fare flights Portland to San Antonio.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Portland (PDX) | San Antonio (SAT) | One-way | Saver | Depart: Jan 18, 2026 | From $130 Seen: 18 hours ago | |
| Portland (PDX) | San Antonio (SAT) | One-way | Saver | Depart: Jan 20, 2026 | From $136 Seen: 18 hours ago | |
| Portland (PDX) | San Antonio (SAT) | One-way | Saver | Depart: Feb 10, 2026 | From $153 Seen: 18 hours ago | |
| Portland (PDX) | San Antonio (SAT) | One-way | Saver | Depart: Feb 28, 2026 | From $153 Seen: 18 hours ago | |
| Portland (PDX) | San Antonio (SAT) | One-way | Saver | Depart: Jan 21, 2026 | From $153 Seen: 18 hours ago | |
| Portland (PDX) | San Antonio (SAT) | One-way | Saver | Depart: Feb 21, 2026 | From $153 Seen: 18 hours ago | |
| Portland (PDX) | San Antonio (SAT) | One-way | Saver | Depart: Feb 7, 2026 | From $153 Seen: 1 hour ago | |
| Portland (PDX) | San Antonio (SAT) | One-way | Saver | Depart: Feb 3, 2026 | From $153 Seen: 18 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.