Flights from Seattle (SEA) to San Antonio (SAT) on Alaska Airlines

Lowest fares from Seattle to San Antonio

Nov 2026
From$349*
Seen: 18 hours ago
Flight Type One Way|Saver
Dec 2026
From$224*
Seen: 18 hours ago
Flight Type One Way|Saver
Jan 2027
From$224*
Seen: 18 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $224
cmp-daily-histogram-bars-legend-max-price-aria-label $714
Displaying fares for November-2026
  • SEA–SAT, Nov 10, 2026: From $351
    10

    Tu

    NOV

  • SEA–SAT, Nov 11, 2026: From $524
    11

    We

  • SEA–SAT, Nov 12, 2026: From $524
    12

    Th

  • SEA–SAT, Nov 13, 2026: From $524
    13

    Fr

  • SEA–SAT, Nov 14, 2026: From $524
    14

    Sa

  • SEA–SAT, Nov 15, 2026: From $459
    15

    Su

  • SEA–SAT, Nov 16, 2026: From $459
    16

    Mo

  • SEA–SAT, Nov 17, 2026: From $459
    17

    Tu

  • SEA–SAT, Nov 18, 2026: From $459
    18

    We

  • SEA–SAT, Nov 19, 2026: From $459
    19

    Th

  • SEA–SAT, Nov 20, 2026: From $459
    20

    Fr

  • SEA–SAT, Nov 21, 2026: From $459
    21

    Sa

  • SEA–SAT, Nov 22, 2026: From $349
    22

    Su

  • SEA–SAT, Nov 23, 2026: From $349
    23

    Mo

  • SEA–SAT, Nov 24, 2026: From $459
    24

    Tu

  • SEA–SAT, Nov 25, 2026: From $574
    25

    We

  • SEA–SAT, Nov 26, 2026: From $599
    26

    Th

  • SEA–SAT, Nov 27, 2026: From $349
    27

    Fr

  • SEA–SAT, Nov 28, 2026: From $459
    28

    Sa

  • SEA–SAT, Nov 29, 2026: From $714
    29

    Su

  • SEA–SAT, Nov 30, 2026: From $419
    30

    Mo

  • SEA–SAT, Dec 1, 2026: From $419
    01

    Tu

    DEC

  • SEA–SAT, Dec 2, 2026: From $264
    02

    We

  • SEA–SAT, Dec 3, 2026: From $264
    03

    Th

  • SEA–SAT, Dec 4, 2026: From $264
    04

    Fr

  • SEA–SAT, Dec 5, 2026: From $264
    05

    Sa

  • SEA–SAT, Dec 6, 2026: From $264
    06

    Su

  • SEA–SAT, Dec 7, 2026: From $369
    07

    Mo

  • SEA–SAT, Dec 8, 2026: From $294
    08

    Tu

  • SEA–SAT, Dec 9, 2026: From $224
    09

    We

    • Range$224-$714

    *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 low-fare flights Seattle to San Antonio.*

    $
    keyboard_arrow_down
    One-way low-fare flights Seattle to San Antonio.*
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Feb 20, 2027

    From

    $224

    Seen: 18 hours ago

    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Mar 2, 2027

    From

    $224

    Seen: 18 hours ago

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

    From

    $224

    Seen: 18 hours ago

    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Jan 5, 2027

    From

    $224

    Seen: 18 hours ago

    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Jan 9, 2027

    From

    $224

    Seen: 18 hours ago

    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Jan 12, 2027

    From

    $224

    Seen: 18 hours ago

    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Jan 16, 2027

    From

    $224

    Seen: 18 hours ago

    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Feb 3, 2027

    From

    $224

    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.

    Frequently Asked Questions on flights from Seattle (SEA) to San Antonio (SAT)

    When is the best time to book a flight from Seattle to San Antonio?

    Want to find the lowest fares by day and time flying from Seattle to San Antonio on Alaska Airlines or Hawaiian Airlines? Check out our flight search widget.

    Can I earn points on my flight to San Antonio?

    Yes, with Atmosâ„¢ Rewards you can earn points on flights to 1000+ destinations worldwide through the growing network of Alaska and Hawaiian Airlines. Not an Atmosâ„¢ Rewards member yet? Learn more and join today.

    Can I rent a car when I arrive at San Antonio International Airport?

    Yes, you can rent a car at San Antonio International Airport. Check availability and book now

    Where can I find the status of my flight to San Antonio?

    You can check the status of your upcoming Alaska Airlines flight on our flight schedule page.

    Where can I find answers to questions about flying with Alaska Airlines?

    Visit the Alaska Airlines Help Center to quickly browse our help pages by category to find the information you need.

    Can I change or cancel my Alaska Airlines flight to San Antonio?

    Yes, you can review, modify, or cancel a reservation from our Manage Your Reservation tool. You can learn more about our policy for changing or cancelling a reservation here. 

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