American Airlines flights from Austin to Seattle

Recent searches for flights from Austin to Seattle

Sep 2026
From$317*
Updated: 11 hours ago
Round tripIEconomy
Oct 2026
From$317*
Updated: 11 hours ago
Round tripIEconomy
Nov 2026
From$317*
Updated: 11 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $317
cmp-daily-histogram-bars-legend-max-price-aria-label $613
Displaying fares for September-2026
  • AUS–SEA, 09/04/26 – 09/11/26: From $613
    04

    Fr

    SEP

  • AUS–SEA, 09/05/26 – 09/12/26: From $521
    05

    Sa

  • AUS–SEA, 09/06/26 – 09/13/26: From $613
    06

    Su

  • AUS–SEA, 09/07/26 – 09/14/26: From $613
    07

    Mo

  • AUS–SEA, 09/08/26 – 09/15/26: From $521
    08

    Tu

  • AUS–SEA, 09/09/26 – 09/16/26: From $521
    09

    We

  • AUS–SEA, 09/10/26 – 09/17/26: From $555
    10

    Th

  • AUS–SEA, 09/11/26 – 09/18/26: From $555
    11

    Fr

  • AUS–SEA, 09/12/26 – 09/19/26: From $509
    12

    Sa

  • AUS–SEA, 09/13/26 – 09/20/26: From $555
    13

    Su

  • AUS–SEA, 09/14/26 – 09/21/26: From $555
    14

    Mo

  • AUS–SEA, 09/15/26 – 09/22/26: From $509
    15

    Tu

  • AUS–SEA, 09/16/26 – 09/23/26: From $509
    16

    We

  • AUS–SEA, 09/17/26 – 09/24/26: From $407
    17

    Th

  • AUS–SEA, 09/18/26 – 09/25/26: From $437
    18

    Fr

  • AUS–SEA, 09/19/26 – 09/26/26: From $407
    19

    Sa

  • AUS–SEA, 09/20/26 – 09/27/26: From $592
    20

    Su

  • AUS–SEA, 09/21/26 – 09/28/26: From $527
    21

    Mo

  • AUS–SEA, 09/22/26 – 09/29/26: From $407
    22

    Tu

  • AUS–SEA, 09/23/26 – 09/30/26: From $407
    23

    We

  • AUS–SEA, 09/24/26 – 10/01/26: From $347
    24

    Th

  • AUS–SEA, 09/25/26 – 10/02/26: From $407
    25

    Fr

  • AUS–SEA, 09/26/26 – 10/03/26: From $317
    26

    Sa

  • AUS–SEA, 09/27/26 – 10/04/26: From $417
    27

    Su

  • AUS–SEA, 09/28/26 – 10/05/26: From $347
    28

    Mo

  • AUS–SEA, 09/29/26 – 10/06/26: From $317
    29

    Tu

  • AUS–SEA, 09/30/26 – 10/07/26: From $317
    30

    We

  • AUS–SEA, 10/01/26 – 10/05/26: From $317
    01

    Th

    OCT

  • AUS–SEA, 10/02/26 – 10/10/26: From $327
    02

    Fr

  • AUS–SEA: cmp-view-offers-disclaimer. Find Offers
    03

    Sa

    • range$317-$613

    DisclaimerFares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Fares listed may be Basic Economy, which class is subject to additional terms and conditions. Additional baggage fees and charges for optional products and services may apply.

    Find deals on Austin to Seattle flights

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    Austin (AUS)to

    Seattle (SEA)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 11 hours ago

    Austin (AUS)to

    Seattle (SEA)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 11 hours ago

    Austin (AUS)to

    Seattle (SEA)
    09/26/26 - 10/03/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 11 hours ago

    Austin (AUS)to

    Seattle (SEA)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 11 hours ago

    Austin (AUS)to

    Seattle (SEA)
    11/09/26 - 11/16/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 11 hours ago

    Austin (AUS)to

    Seattle (SEA)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 11 hours ago

    Austin (AUS)to

    Seattle (SEA)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 11 hours ago

    Austin (AUS)to

    Seattle (SEA)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 11 hours ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

    Finding cheap flights from Austin to Seattle

    Looking for lower fares on your trip from Austin to Seattle? Here are a few ways to save.

    • Book early: Booking 1 to 3 months ahead can help you find lower fares
    • Be flexible with dates: Midweek travel, like Tuesdays and Wednesdays, can be more affordable
    • Travel during less busy periods: Flying outside peak travel times can help find lower fares and avoid crowds

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    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
    • Early boarding: Preferred Group 5 boarding allows easier access to overhead bins.
    • Complimentary drinks: Enjoy beer, wine and spirits on flights with full beverage service.

    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from Austin to Seattle