American Airlines flights from Seattle to Miami

Recent searches for flights from Seattle to Miami

Aug 2026
From$449*
Updated: 8 hours ago
Round tripIEconomy
Sep 2026
From$377*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$367*
Updated: 4 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $397
cmp-daily-histogram-bars-legend-max-price-aria-label $655
Displaying fares for August-2026
  • SEA–MIA, 08/18/26 – 08/25/26: From $481
    18

    Tu

    AUG

  • SEA–MIA, 08/19/26 – 08/26/26: From $481
    19

    We

  • SEA–MIA, 08/20/26 – 08/27/26: From $645
    20

    Th

  • SEA–MIA, 08/21/26 – 08/26/26: From $563
    21

    Fr

  • SEA–MIA, 08/22/26 – 08/29/26: From $491
    22

    Sa

  • SEA–MIA, 08/23/26 – 08/30/26: From $655
    23

    Su

  • SEA–MIA, 08/24/26 – 09/09/26: From $541
    24

    Mo

  • SEA–MIA, 08/25/26 – 09/01/26: From $481
    25

    Tu

  • SEA–MIA, 08/26/26 – 09/02/26: From $481
    26

    We

  • SEA–MIA, 08/27/26 – 09/03/26: From $606
    27

    Th

  • SEA–MIA, 08/28/26 – 09/04/26: From $606
    28

    Fr

  • SEA–MIA, 08/29/26 – 09/13/26: From $449
    29

    Sa

  • SEA–MIA, 08/30/26 – 09/06/26: From $606
    30

    Su

  • SEA–MIA, 08/31/26 – 09/07/26: From $492
    31

    Mo

  • SEA–MIA, 09/01/26 – 09/08/26: From $449
    01

    Tu

    SEP

  • SEA–MIA, 09/02/26 – 09/09/26: From $459
    02

    We

  • SEA–MIA, 09/03/26 – 09/10/26: From $502
    03

    Th

  • SEA–MIA, 09/04/26 – 09/11/26: From $502
    04

    Fr

  • SEA–MIA, 09/05/26 – 09/12/26: From $429
    05

    Sa

  • SEA–MIA, 09/06/26 – 09/13/26: From $419
    06

    Su

  • SEA–MIA, 09/07/26 – 09/14/26: From $565
    07

    Mo

  • SEA–MIA, 09/08/26 – 09/14/26: From $417
    08

    Tu

  • SEA–MIA, 09/09/26 – 09/16/26: From $412
    09

    We

  • SEA–MIA, 09/10/26 – 09/17/26: From $402
    10

    Th

  • SEA–MIA, 09/11/26 – 09/18/26: From $412
    11

    Fr

  • SEA–MIA, 09/12/26 – 09/19/26: From $402
    12

    Sa

  • SEA–MIA, 09/13/26 – 09/20/26: From $467
    13

    Su

  • SEA–MIA, 09/14/26 – 09/21/26: From $422
    14

    Mo

  • SEA–MIA: cmp-view-offers-disclaimer. Find Offers
    15

    Tu

  • SEA–MIA, 09/16/26 – 09/20/26: From $407
    16

    We

  • SEA–MIA, 09/17/26 – 09/24/26: From $397
    17

    Th

    • range$397-$655

    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 Miami flights

    $
    keyboard_arrow_down

    Seattle (SEA)to

    Miami (MIA)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $367Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Miami (MIA)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $367Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Miami (MIA)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $367Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Miami (MIA)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $367Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Miami (MIA)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $367Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Miami (MIA)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $367Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Miami (MIA)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $367Fare subject to changes
    Updated: 4 hours ago

    Seattle (SEA)to

    Miami (MIA)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $367Fare subject to changes
    Updated: 4 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 Miami

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