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) | Portland (PDX) | One-way | Saver | Depart: Mar 11, 2026 | From $115 Seen: 6 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: Mar 3, 2026 | From $115 Seen: 6 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: Mar 17, 2026 | From $115 Seen: 6 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: Feb 25, 2026 | From $115 Seen: 6 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: Mar 4, 2026 | From $115 Seen: 6 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Feb 11, 2026 | From $119 Seen: 6 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Feb 28, 2026 | From $119 Seen: 6 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Mar 10, 2026 | From $119 Seen: 6 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Mar 11, 2026 | From $119 Seen: 6 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Mar 14, 2026 | From $119 Seen: 6 hours ago | |
| San Antonio (SAT) | Seattle (SEA) | One-way | Saver | Depart: Mar 18, 2026 | From $119 Seen: 6 hours ago | |
| San Antonio (SAT) | Portland (PDX) | One-way | Saver | Depart: Apr 30, 2026 | From $139 Seen: 6 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Apr 25, 2026 | From $201 Seen: 6 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: Apr 28, 2026 | From $201 Seen: 6 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: May 4, 2026 | From $201 Seen: 6 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: May 6, 2026 | From $201 Seen: 6 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: May 9, 2026 | From $201 Seen: 6 hours ago | |
| San Antonio (SAT) | Anchorage (ANC) | One-way | Saver | Depart: May 12, 2026 | From $201 Seen: 6 hours ago | |
| San Antonio (SAT) | Fairbanks (FAI) | One-way | Saver | Depart: Mar 23, 2026 | From $201 Seen: 16 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.