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
Fairbanks (FAI)
San Antonio (SAT)to
Portland (PDX)*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) | Portland (PDX) | One-way | Saver | Depart: Jul 28, 2026 | From $209 Seen: 4 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: Aug 4, 2026 | From $209 Seen: 4 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: Aug 11, 2026 | From $209 Seen: 4 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: Aug 19, 2026 | From $209 Seen: 4 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: Aug 26, 2026 | From $209 Seen: 4 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: Sep 1, 2026 | From $209 Seen: 4 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Jun 9, 2026 | From $209 Seen: 4 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Jun 6, 2026 | From $249 Seen: 4 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Jun 8, 2026 | From $249 Seen: 4 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Jun 5, 2026 | From $249 Seen: 2 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Jul 25, 2026 | From $259 Seen: 4 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Jul 26, 2026 | From $259 Seen: 4 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Aug 6, 2026 | From $341 Seen: 4 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Aug 8, 2026 | From $341 Seen: 4 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Aug 10, 2026 | From $341 Seen: 4 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Aug 12, 2026 | From $341 Seen: 4 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Aug 14, 2026 | From $341 Seen: 4 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Aug 4, 2026 | From $341 Seen: 4 hours ago | |
| San Antonio (SAT) | Fairbanks (FAI) | One-way | Saver | Depart: Jun 9, 2026 | From $497 Seen: 11 hours ago | |
| San Antonio (SAT) | Fairbanks (FAI) | One-way | Saver | Depart: Jun 17, 2026 | From $802 Seen: 17 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.