Alaska Airlines Flights from Seattle to Austin

Lowest fares from Seattle to Austin

Aug 2026
From$239*
Seen: 12 hours ago
Flight Type One Way|Saver
Sep 2026
From$169*
Seen: 12 hours ago
Flight Type One Way|Saver
Oct 2026
From$169*
Seen: 12 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $182
cmp-daily-histogram-bars-legend-max-price-aria-label $464
Displaying fares for August-2026
  • SEA–AUS, Aug 12, 2026: From $444
    12

    We

    AUG

  • SEA–AUS, Aug 13, 2026: From $444
    13

    Th

  • SEA–AUS, Aug 14, 2026: From $357
    14

    Fr

  • SEA–AUS, Aug 15, 2026: From $444
    15

    Sa

  • SEA–AUS, Aug 16, 2026: From $444
    16

    Su

  • SEA–AUS, Aug 17, 2026: From $444
    17

    Mo

  • SEA–AUS, Aug 18, 2026: From $364
    18

    Tu

  • SEA–AUS, Aug 19, 2026: From $364
    19

    We

  • SEA–AUS, Aug 20, 2026: From $364
    20

    Th

  • SEA–AUS, Aug 21, 2026: From $364
    21

    Fr

  • SEA–AUS, Aug 22, 2026: From $364
    22

    Sa

  • SEA–AUS, Aug 23, 2026: From $364
    23

    Su

  • SEA–AUS, Aug 24, 2026: From $364
    24

    Mo

  • SEA–AUS, Aug 25, 2026: From $239
    25

    Tu

  • SEA–AUS, Aug 26, 2026: From $239
    26

    We

  • SEA–AUS, Aug 27, 2026: From $239
    27

    Th

  • SEA–AUS, Aug 28, 2026: From $239
    28

    Fr

  • SEA–AUS, Aug 29, 2026: From $239
    29

    Sa

  • SEA–AUS, Aug 30, 2026: From $289
    30

    Su

  • SEA–AUS, Aug 31, 2026: From $239
    31

    Mo

  • SEA–AUS, Sep 1, 2026: From $199
    01

    Tu

    SEP

  • SEA–AUS, Sep 2, 2026: From $199
    02

    We

  • SEA–AUS, Sep 3, 2026: From $204
    03

    Th

  • SEA–AUS, Sep 4, 2026: From $204
    04

    Fr

  • SEA–AUS, Sep 5, 2026: From $182
    05

    Sa

  • SEA–AUS, Sep 6, 2026: From $182
    06

    Su

  • SEA–AUS, Sep 7, 2026: From $464
    07

    Mo

  • SEA–AUS, Sep 8, 2026: From $294
    08

    Tu

  • SEA–AUS, Sep 9, 2026: From $199
    09

    We

  • SEA–AUS, Sep 10, 2026: From $199
    10

    Th

  • SEA–AUS, Sep 11, 2026: From $182
    11

    Fr

    • Range$182-$464

    *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 Austin.*

    $
    keyboard_arrow_down
    One-way low-fare flights Seattle to Austin.*
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Austin (AUS)One-way
    |
    Saver    		Depart: Sep 23, 2026

    From

    $169

    Seen: 12 hours ago

    Seattle (SEA)Austin (AUS)One-way
    |
    Saver    		Depart: Oct 14, 2026

    From

    $169

    Seen: 12 hours ago

    Seattle (SEA)Austin (AUS)One-way
    |
    Saver    		Depart: Oct 31, 2026

    From

    $169

    Seen: 12 hours ago

    Seattle (SEA)Austin (AUS)One-way
    |
    Saver    		Depart: Nov 14, 2026

    From

    $169

    Seen: 12 hours ago

    Seattle (SEA)Austin (AUS)One-way
    |
    Saver    		Depart: Dec 9, 2026

    From

    $169

    Seen: 12 hours ago

    Seattle (SEA)Austin (AUS)One-way
    |
    Saver    		Depart: Dec 12, 2026

    From

    $169

    Seen: 12 hours ago

    Seattle (SEA)Austin (AUS)One-way
    |
    Saver    		Depart: Dec 15, 2026

    From

    $169

    Seen: 12 hours ago

    Seattle (SEA)Austin (AUS)One-way
    |
    Saver    		Depart: Sep 15, 2026

    From

    $169

    Seen: 12 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.

    Explore Alaska Airlines's Flights to Top-Pick Destinations