Book Cheap Flights from San Antonio with Alaska Airlines
Find round-trip flight deals from San Antonio.*
San Antonio (SAT)to
Seattle (SEA)
San Antonio (SAT)to
Anchorage (ANC)
San Antonio (SAT)to
Portland (PDX)
San Antonio (SAT)to
Fairbanks (FAI)*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.
One-way flight deals from San Antonio.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Mar 18, 2026 | From $129 Seen: 6 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Mar 11, 2026 | From $129 Seen: 3 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Apr 1, 2026 | From $129 Seen: 1 hour ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: May 15, 2026 | From $149 Seen: 2 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Apr 7, 2026 | From $149 Seen: 11 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Mar 4, 2026 | From $149 Seen: 13 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Apr 29, 2026 | From $150 Seen: 14 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: Mar 24, 2026 | From $159 Seen: 2 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: May 7, 2026 | From $193 Seen: 10 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: May 6, 2026 | From $199 Seen: 9 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Jun 9, 2026 | From $347 Seen: 6 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Jun 15, 2026 | From $347 Seen: 10 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Jun 18, 2026 | From $347 Seen: 13 hours ago | |
| San Antonio (SAT) | Fairbanks (FAI) | One-way | Saver | Depart: Jun 19, 2026 | From $347 Seen: 8 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: May 29, 2026 | From $441 Seen: 9 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Jul 4, 2026 | From $694 Seen: 9 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.