American Airlines flights from Seattle to Killeen

Recent searches for flights from Seattle to Killeen

Sep 2026
From$387*
Updated: 8 hours ago
Round tripIEconomy
Oct 2026
From$357*
Updated: 8 hours ago
Round tripIEconomy
Nov 2026
From$357*
Updated: 8 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $387
cmp-daily-histogram-bars-legend-max-price-aria-label $712
Displaying fares for September-2026
  • SEA–GRK, 09/01/26 – 09/08/26: From $623
    01

    Tu

    SEP

  • SEA–GRK, 09/02/26 – 09/09/26: From $623
    02

    We

  • SEA–GRK, 09/03/26 – 09/10/26: From $705
    03

    Th

  • SEA–GRK, 09/04/26 – 09/11/26: From $705
    04

    Fr

  • SEA–GRK, 09/05/26 – 09/12/26: From $623
    05

    Sa

  • SEA–GRK, 09/06/26 – 09/13/26: From $705
    06

    Su

  • SEA–GRK, 09/07/26 – 09/14/26: From $712
    07

    Mo

  • SEA–GRK, 09/08/26 – 09/15/26: From $570
    08

    Tu

  • SEA–GRK, 09/09/26 – 09/16/26: From $517
    09

    We

  • SEA–GRK, 09/10/26 – 09/17/26: From $517
    10

    Th

  • SEA–GRK, 09/11/26 – 09/18/26: From $517
    11

    Fr

  • SEA–GRK, 09/12/26 – 09/19/26: From $517
    12

    Sa

  • SEA–GRK, 09/13/26 – 09/20/26: From $611
    13

    Su

  • SEA–GRK, 09/14/26 – 09/21/26: From $561
    14

    Mo

  • SEA–GRK, 09/15/26 – 09/22/26: From $467
    15

    Tu

  • SEA–GRK, 09/16/26 – 09/23/26: From $467
    16

    We

  • SEA–GRK, 09/17/26 – 09/24/26: From $467
    17

    Th

  • SEA–GRK, 09/18/26 – 09/25/26: From $467
    18

    Fr

  • SEA–GRK, 09/19/26 – 09/26/26: From $467
    19

    Sa

  • SEA–GRK, 09/20/26 – 09/27/26: From $467
    20

    Su

  • SEA–GRK, 09/21/26 – 09/28/26: From $561
    21

    Mo

  • SEA–GRK, 09/22/26 – 09/29/26: From $417
    22

    Tu

  • SEA–GRK, 09/23/26 – 09/30/26: From $387
    23

    We

  • SEA–GRK, 09/24/26 – 10/01/26: From $417
    24

    Th

  • SEA–GRK, 09/25/26 – 10/02/26: From $561
    25

    Fr

  • SEA–GRK, 09/26/26 – 10/03/26: From $417
    26

    Sa

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

    Su

  • SEA–GRK: cmp-view-offers-disclaimer. Find Offers
    28

    Mo

  • SEA–GRK: cmp-view-offers-disclaimer. Find Offers
    29

    Tu

  • SEA–GRK: cmp-view-offers-disclaimer. Find Offers
    30

    We

    • range$387-$712

    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 Seattle to Killeen flights

    $
    keyboard_arrow_down

    Seattle (SEA)to

    Killeen (GRK)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $357Fare subject to changes
    Updated: 8 hours ago

    Seattle (SEA)to

    Killeen (GRK)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $357Fare subject to changes
    Updated: 8 hours ago

    Seattle (SEA)to

    Killeen (GRK)
    11/04/26 - 11/11/26

    Round trip

    Economy

    from
    $357Fare subject to changes
    Updated: 8 hours ago

    Seattle (SEA)to

    Killeen (GRK)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $357Fare subject to changes
    Updated: 8 hours ago

    Seattle (SEA)to

    Killeen (GRK)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $357Fare subject to changes
    Updated: 8 hours ago

    Seattle (SEA)to

    Killeen (GRK)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $357Fare subject to changes
    Updated: 8 hours ago

    Seattle (SEA)to

    Killeen (GRK)
    11/18/26 - 11/25/26

    Round trip

    Economy

    from
    $357Fare subject to changes
    Updated: 8 hours ago

    Seattle (SEA)to

    Killeen (GRK)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $357Fare subject to changes
    Updated: 8 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 Seattle to Killeen

    Looking for lower fares on your trip from Seattle to Killeen? 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

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • 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 Seattle to Killeen