American Airlines flights from Seattle to Milwaukee

Recent searches for flights from Seattle to Milwaukee

Aug 2026
From$485*
Updated: 4 hours ago
Round tripIEconomy
Sep 2026
From$317*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$317*
Updated: 20 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $317
cmp-daily-histogram-bars-legend-max-price-aria-label $698
Displaying fares for August-2026
  • SEA–MKE, 08/22/26 – 08/25/26: From $565
    22

    Sa

    AUG

  • SEA–MKE, 08/23/26 – 08/30/26: From $698
    23

    Su

  • SEA–MKE, 08/24/26 – 08/31/26: From $698
    24

    Mo

  • SEA–MKE, 08/25/26 – 09/01/26: From $521
    25

    Tu

  • SEA–MKE, 08/26/26 – 09/02/26: From $521
    26

    We

  • SEA–MKE, 08/27/26 – 09/03/26: From $582
    27

    Th

  • SEA–MKE, 08/28/26 – 09/04/26: From $501
    28

    Fr

  • SEA–MKE, 08/29/26 – 09/05/26: From $485
    29

    Sa

  • SEA–MKE, 08/30/26 – 09/06/26: From $501
    30

    Su

  • SEA–MKE, 08/31/26 – 09/07/26: From $693
    31

    Mo

  • SEA–MKE, 09/01/26 – 09/08/26: From $521
    01

    Tu

    SEP

  • SEA–MKE, 09/02/26 – 09/09/26: From $485
    02

    We

  • SEA–MKE, 09/03/26 – 09/10/26: From $501
    03

    Th

  • SEA–MKE, 09/04/26 – 09/11/26: From $448
    04

    Fr

  • SEA–MKE, 09/05/26 – 09/12/26: From $383
    05

    Sa

  • SEA–MKE, 09/06/26 – 09/13/26: From $403
    06

    Su

  • SEA–MKE, 09/07/26 – 09/14/26: From $575
    07

    Mo

  • SEA–MKE, 09/08/26 – 09/15/26: From $457
    08

    Tu

  • SEA–MKE, 09/09/26 – 09/16/26: From $383
    09

    We

  • SEA–MKE, 09/10/26 – 09/17/26: From $383
    10

    Th

  • SEA–MKE, 09/11/26 – 09/18/26: From $347
    11

    Fr

  • SEA–MKE, 09/12/26 – 09/19/26: From $347
    12

    Sa

  • SEA–MKE, 09/13/26 – 09/20/26: From $412
    13

    Su

  • SEA–MKE, 09/14/26 – 09/21/26: From $392
    14

    Mo

  • SEA–MKE, 09/15/26 – 09/22/26: From $317
    15

    Tu

  • SEA–MKE, 09/16/26 – 09/23/26: From $317
    16

    We

  • SEA–MKE, 09/17/26 – 09/24/26: From $347
    17

    Th

  • SEA–MKE, 09/18/26 – 09/25/26: From $347
    18

    Fr

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    19

    Sa

  • SEA–MKE, 09/20/26 – 09/24/26: From $337
    20

    Su

  • SEA–MKE, 09/21/26 – 09/28/26: From $356
    21

    Mo

    • range$317-$698

    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 Milwaukee flights

    $
    keyboard_arrow_down

    Seattle (SEA)to

    Milwaukee (MKE)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Milwaukee (MKE)
    10/15/26 - 10/22/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Milwaukee (MKE)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Milwaukee (MKE)
    09/28/26 - 10/05/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Milwaukee (MKE)
    09/30/26 - 10/07/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Milwaukee (MKE)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Milwaukee (MKE)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Milwaukee (MKE)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 20 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 Milwaukee

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