American Airlines flights from Seattle to Des Moines

Recent searches for flights from Seattle to Des Moines

Aug 2026
From$355*
Updated: 3 hours ago
Round tripIEconomy
Sep 2026
From$369*
Updated: 3 hours ago
Round tripIEconomy
Oct 2026
From$383*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $355
cmp-daily-histogram-bars-legend-max-price-aria-label $763
Displaying fares for August-2026
  • SEA–DSM, 08/05/26 – 08/12/26: From $545
    05

    We

    AUG

  • SEA–DSM, 08/06/26 – 08/13/26: From $697
    06

    Th

  • SEA–DSM, 08/07/26 – 08/14/26: From $697
    07

    Fr

  • SEA–DSM, 08/08/26 – 08/15/26: From $545
    08

    Sa

  • SEA–DSM, 08/09/26 – 08/16/26: From $697
    09

    Su

  • SEA–DSM, 08/10/26 – 08/17/26: From $697
    10

    Mo

  • SEA–DSM, 08/11/26 – 08/18/26: From $687
    11

    Tu

  • SEA–DSM, 08/12/26 – 08/19/26: From $584
    12

    We

  • SEA–DSM, 08/13/26 – 08/20/26: From $678
    13

    Th

  • SEA–DSM, 08/14/26 – 08/21/26: From $724
    14

    Fr

  • SEA–DSM, 08/15/26 – 08/22/26: From $763
    15

    Sa

  • SEA–DSM, 08/16/26 – 08/23/26: From $724
    16

    Su

  • SEA–DSM, 08/17/26 – 08/24/26: From $665
    17

    Mo

  • SEA–DSM, 08/18/26 – 08/25/26: From $489
    18

    Tu

  • SEA–DSM, 08/19/26 – 08/26/26: From $449
    19

    We

  • SEA–DSM, 08/20/26 – 08/27/26: From $464
    20

    Th

  • SEA–DSM, 08/21/26 – 08/28/26: From $482
    21

    Fr

  • SEA–DSM, 08/22/26 – 08/29/26: From $449
    22

    Sa

  • SEA–DSM, 08/23/26 – 08/30/26: From $520
    23

    Su

  • SEA–DSM, 08/24/26 – 08/31/26: From $464
    24

    Mo

  • SEA–DSM, 08/25/26 – 09/01/26: From $355
    25

    Tu

  • SEA–DSM, 08/26/26 – 09/02/26: From $355
    26

    We

  • SEA–DSM, 08/27/26 – 09/03/26: From $517
    27

    Th

  • SEA–DSM, 08/28/26 – 09/04/26: From $490
    28

    Fr

  • SEA–DSM, 08/29/26 – 09/05/26: From $355
    29

    Sa

  • SEA–DSM, 08/30/26 – 09/06/26: From $426
    30

    Su

  • SEA–DSM, 08/31/26 – 09/07/26: From $472
    31

    Mo

  • SEA–DSM, 09/01/26 – 09/08/26: From $369
    01

    Tu

    SEP

  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    02

    We

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

    Th

  • SEA–DSM, 09/04/26 – 09/11/26: From $388
    04

    Fr

    • range$355-$763

    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 Des Moines flights

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    Seattle (SEA)to

    Des Moines (DSM)
    08/26/26 - 09/02/26

    Round trip

    Economy

    from
    $355Fare subject to changes
    Updated: 3 hours ago

    Seattle (SEA)to

    Des Moines (DSM)
    08/29/26 - 09/05/26

    Round trip

    Economy

    from
    $355Fare subject to changes
    Updated: 3 hours ago

    Seattle (SEA)to

    Des Moines (DSM)
    08/25/26 - 09/01/26

    Round trip

    Economy

    from
    $355Fare subject to changes
    Updated: 3 hours ago

    Seattle (SEA)to

    Des Moines (DSM)
    09/05/26 - 09/12/26

    Round trip

    Economy

    from
    $369Fare subject to changes
    Updated: 3 hours ago

    Seattle (SEA)to

    Des Moines (DSM)
    09/01/26 - 09/08/26

    Round trip

    Economy

    from
    $369Fare subject to changes
    Updated: 3 hours ago

    Seattle (SEA)to

    Des Moines (DSM)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $383Fare subject to changes
    Updated: 3 hours ago

    Seattle (SEA)to

    Des Moines (DSM)
    09/09/26 - 09/16/26

    Round trip

    Economy

    from
    $383Fare subject to changes
    Updated: 3 hours ago

    Seattle (SEA)to

    Des Moines (DSM)
    09/16/26 - 09/23/26

    Round trip

    Economy

    from
    $383Fare subject to changes
    Updated: 3 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 Des Moines

    Looking for lower fares on your trip from Seattle to Des Moines? 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 Des Moines