Alaska Airlines Flights from Austin to Seattle

Lowest fares from Austin to Seattle

cmp-daily-histogram-bars-legend-min-price-aria-label $149
cmp-daily-histogram-bars-legend-max-price-aria-label $449
Displaying fares for September-2026
  • AUS–SEA, Sep 5, 2026: From $311
    05

    Sa

    SEP

  • AUS–SEA, Sep 6, 2026: From $449
    06

    Su

  • AUS–SEA, Sep 7, 2026: From $449
    07

    Mo

  • AUS–SEA, Sep 8, 2026: From $449
    08

    Tu

  • AUS–SEA, Sep 9, 2026: From $449
    09

    We

  • AUS–SEA, Sep 10, 2026: From $449
    10

    Th

  • AUS–SEA, Sep 11, 2026: From $374
    11

    Fr

  • AUS–SEA, Sep 12, 2026: From $374
    12

    Sa

  • AUS–SEA, Sep 13, 2026: From $374
    13

    Su

  • AUS–SEA, Sep 14, 2026: From $374
    14

    Mo

  • AUS–SEA, Sep 15, 2026: From $374
    15

    Tu

  • AUS–SEA, Sep 16, 2026: From $374
    16

    We

  • AUS–SEA, Sep 17, 2026: From $374
    17

    Th

  • AUS–SEA, Sep 18, 2026: From $249
    18

    Fr

  • AUS–SEA, Sep 19, 2026: From $249
    19

    Sa

  • AUS–SEA, Sep 20, 2026: From $249
    20

    Su

  • AUS–SEA, Sep 21, 2026: From $249
    21

    Mo

  • AUS–SEA, Sep 22, 2026: From $249
    22

    Tu

  • AUS–SEA, Sep 23, 2026: From $249
    23

    We

  • AUS–SEA, Sep 24, 2026: From $249
    24

    Th

  • AUS–SEA, Sep 25, 2026: From $191
    25

    Fr

  • AUS–SEA, Sep 26, 2026: From $191
    26

    Sa

  • AUS–SEA, Sep 27, 2026: From $209
    27

    Su

  • AUS–SEA, Sep 28, 2026: From $191
    28

    Mo

  • AUS–SEA, Sep 29, 2026: From $191
    29

    Tu

  • AUS–SEA, Sep 30, 2026: From $191
    30

    We

  • AUS–SEA, Oct 1, 2026: From $211
    01

    Th

    OCT

  • AUS–SEA, Oct 2, 2026: From $211
    02

    Fr

  • AUS–SEA, Oct 3, 2026: From $149
    03

    Sa

  • AUS–SEA, Oct 4, 2026: From $229
    04

    Su

  • Range$149-$449

    One-way low-fare flights Austin to Seattle.*

    $
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    One-way low-fare flights Austin to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    Austin (AUS)Seattle (SEA)One-way
    |
    Saver
    Depart: Oct 3, 2026

    From

    $149

    Seen: 5 hours ago

    Austin (AUS)Seattle (SEA)One-way
    |
    Saver
    Depart: Oct 30, 2026

    From

    $149

    Seen: 7 hours ago

    Austin (AUS)Seattle (SEA)One-way
    |
    Saver
    Depart: Dec 8, 2026

    From

    $179

    Seen: 16 hours ago

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

    From

    $179

    Seen: 16 hours ago

    Austin (AUS)Seattle (SEA)One-way
    |
    Saver
    Depart: Dec 2, 2026

    From

    $179

    Seen: 16 hours ago

    Austin (AUS)Seattle (SEA)One-way
    |
    Saver
    Depart: Jan 6, 2027

    From

    $179

    Seen: 16 hours ago

    Austin (AUS)Seattle (SEA)One-way
    |
    Saver
    Depart: Jan 12, 2027

    From

    $179

    Seen: 16 hours ago

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

    From

    $179

    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.