Lowest Priced Flights to San Antonio on Alaska Airlines starting at $129*

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Most popular flights to San Antonio on Alaska Airlines.*

$
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Seattle (SEA)to

San Antonio (SAT)
Depart: Dec 11, 2025
From
$129
Seen: 4 hours ago
One-way
Saver

Seattle (SEA)to

San Antonio (SAT)
Depart: Dec 12, 2025
From
$129
Seen: 4 hours ago
One-way
Saver

Seattle (SEA)to

San Antonio (SAT)
Depart: Dec 14, 2025
From
$129
Seen: 4 hours ago
One-way
Saver

Seattle (SEA)to

San Antonio (SAT)
Depart: Dec 15, 2025
From
$129
Seen: 4 hours ago
One-way
Saver

Seattle (SEA)to

San Antonio (SAT)
Depart: Dec 10, 2025
From
$149
Seen: 4 hours ago
One-way
Saver

Anchorage (ANC)to

San Antonio (SAT)
Depart: Dec 12, 2025
From
$199
Seen: 4 hours ago
One-way
Saver

Anchorage (ANC)to

San Antonio (SAT)
Depart: Dec 11, 2025
From
$199
Seen: 4 hours ago
One-way
Saver

Anchorage (ANC)to

San Antonio (SAT)
Depart: Dec 15, 2025
From
$199
Seen: 4 hours ago
One-way
Saver

Anchorage (ANC)to

San Antonio (SAT)
Depart: Dec 8, 2025
From
$199
Seen: 4 hours ago
One-way
Saver

Anchorage (ANC)to

San Antonio (SAT)
Depart: Dec 14, 2025
From
$199
Seen: 4 hours ago
One-way
Saver

Portland (PDX)to

San Antonio (SAT)
Depart: Dec 8, 2025
From
$151
Seen: 4 hours ago
One-way
Saver

Portland (PDX)to

San Antonio (SAT)
Depart: Dec 14, 2025
From
$151
Seen: 4 hours ago
One-way
Saver

Portland (PDX)to

San Antonio (SAT)
Depart: Dec 11, 2025
From
$157
Seen: 4 hours ago
One-way
Saver

Portland (PDX)to

San Antonio (SAT)
Depart: Dec 15, 2025
From
$157
Seen: 4 hours ago
One-way
Saver

Portland (PDX)to

San Antonio (SAT)
Depart: Dec 12, 2025
From
$157
Seen: 4 hours ago
One-way
Saver

*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.

Top offers for San Antonio one-way flights.*

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Top offers for San Antonio one-way flights.*
From
To
Fare Type
Dates
Price
Seattle (SEA)San Antonio (SAT)One-way
|
Saver
Depart: Jan 5, 2026

From

$129

Seen: 4 hours ago

Seattle (SEA)San Antonio (SAT)One-way
|
Saver
Depart: Jan 16, 2026

From

$129

Seen: 4 hours ago

Seattle (SEA)San Antonio (SAT)One-way
|
Saver
Depart: Jan 17, 2026

From

$129

Seen: 4 hours ago

Seattle (SEA)San Antonio (SAT)One-way
|
Saver
Depart: Jan 22, 2026

From

$129

Seen: 4 hours ago

Seattle (SEA)San Antonio (SAT)One-way
|
Saver
Depart: Jan 24, 2026

From

$129

Seen: 4 hours ago

Seattle (SEA)San Antonio (SAT)One-way
|
Saver
Depart: Jan 28, 2026

From

$129

Seen: 4 hours ago

Portland (PDX)San Antonio (SAT)One-way
|
Saver
Depart: Feb 18, 2026

From

$142

Seen: 4 hours ago

Portland (PDX)San Antonio (SAT)One-way
|
Saver
Depart: Feb 19, 2026

From

$142

Seen: 4 hours ago

Portland (PDX)San Antonio (SAT)One-way
|
Saver
Depart: Feb 21, 2026

From

$142

Seen: 4 hours ago

Portland (PDX)San Antonio (SAT)One-way
|
Saver
Depart: Jan 17, 2026

From

$142

Seen: 4 hours ago

Portland (PDX)San Antonio (SAT)One-way
|
Saver
Depart: Jan 18, 2026

From

$142

Seen: 4 hours ago

Portland (PDX)San Antonio (SAT)One-way
|
Saver
Depart: Feb 20, 2026

From

$142

Seen: 4 hours ago

Anchorage (ANC)San Antonio (SAT)One-way
|
Saver
Depart: Jan 6, 2026

From

$199

Seen: 4 hours ago

Anchorage (ANC)San Antonio (SAT)One-way
|
Saver
Depart: Jan 7, 2026

From

$199

Seen: 4 hours ago

Anchorage (ANC)San Antonio (SAT)One-way
|
Saver
Depart: Jan 16, 2026

From

$199

Seen: 4 hours ago

Anchorage (ANC)San Antonio (SAT)One-way
|
Saver
Depart: Jan 20, 2026

From

$199

Seen: 4 hours ago

Anchorage (ANC)San Antonio (SAT)One-way
|
Saver
Depart: Jan 25, 2026

From

$199

Seen: 4 hours ago

Anchorage (ANC)San Antonio (SAT)One-way
|
Saver
Depart: Feb 1, 2026

From

$199

Seen: 4 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.

Plan a trip to San Antonio

Rich in history and brimming with Texan charm, San Antonio is a city where the past meets the present. Known for its iconic landmarks like the Alamo and the scenic River Walk, San Antonio offers a blend of culture, entertainment, and natural beauty. From exploring Spanish missions to indulging in authentic Tex-Mex cuisine, this vibrant city has something for every traveler.

Whether you're strolling through the historic Pearl District, marveling at the city’s UNESCO World Heritage Sites, or enjoying a family day at theme parks, San Antonio promises an unforgettable adventure.


Things to do in San Antonio

  • Visit the Alamo, a historic mission and symbol of Texas independence.
  • Stroll along the San Antonio River Walk, lined with shops, restaurants, and entertainment.
  • Explore San Antonio Missions National Historical Park, a UNESCO World Heritage Site.
  • Experience the culinary delights of authentic Tex-Mex and diverse dining options at the Pearl District.
  • Take the family to SeaWorld San Antonio or Six Flags Fiesta Texas for thrilling rides and shows.
  • Visit the San Antonio Museum of Art or the Witte Museum to delve into the city’s rich history and artistic heritage.
  • Enjoy panoramic views of the city from the top of the Tower of the Americas.
  • Catch a San Antonio Spurs game to see French NBA star Victor Wembanyama in action.

Best time to travel to San Antonio

The best time to visit San Antonio is during spring (March to May) and fall (September to November), when the weather is warm but not too hot, perfect for outdoor exploration. Summer (June to August) is popular for families and theme park lovers, though temperatures can climb. Winter (December to February) offers cooler weather and fewer crowds, making it an ideal time to explore the city’s historic and cultural attractions.

Looking to explore more of Texas? View additional flight deals to Texas from Alaska Airlines.

View airport information for San Antonio International Airport (SAT)