American Airlines flights from Seattle to Mcallen

Recent searches for flights from Seattle to Mcallen

Aug 2026
From$394*
Updated: 4 hours ago
Round tripIEconomy
Sep 2026
From$317*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$317*
Updated: 4 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $388
cmp-daily-histogram-bars-legend-max-price-aria-label $925
Displaying fares for August-2026
  • SEA–MFE, 08/16/26 – 08/23/26: From $661
    16

    Su

    AUG

  • SEA–MFE, 08/17/26 – 08/24/26: From $739
    17

    Mo

  • SEA–MFE, 08/18/26 – 08/25/26: From $493
    18

    Tu

  • SEA–MFE, 08/19/26 – 08/26/26: From $405
    19

    We

  • SEA–MFE, 08/20/26 – 08/27/26: From $535
    20

    Th

  • SEA–MFE, 08/21/26 – 08/28/26: From $739
    21

    Fr

  • SEA–MFE, 08/22/26 – 08/29/26: From $551
    22

    Sa

  • SEA–MFE, 08/23/26 – 08/30/26: From $576
    23

    Su

  • SEA–MFE, 08/24/26 – 09/01/26: From $470
    24

    Mo

  • SEA–MFE, 08/25/26 – 09/01/26: From $405
    25

    Tu

  • SEA–MFE, 08/26/26 – 09/02/26: From $493
    26

    We

  • SEA–MFE, 08/27/26 – 09/03/26: From $535
    27

    Th

  • SEA–MFE, 08/28/26 – 09/04/26: From $925
    28

    Fr

  • SEA–MFE, 08/29/26 – 09/05/26: From $813
    29

    Sa

  • SEA–MFE, 08/30/26 – 09/06/26: From $394
    30

    Su

  • SEA–MFE, 08/31/26 – 09/07/26: From $576
    31

    Mo

  • SEA–MFE, 09/01/26 – 09/08/26: From $725
    01

    Tu

    SEP

  • SEA–MFE, 09/02/26 – 09/09/26: From $551
    02

    We

  • SEA–MFE, 09/03/26 – 09/10/26: From $514
    03

    Th

  • SEA–MFE, 09/04/26 – 09/11/26: From $482
    04

    Fr

  • SEA–MFE, 09/05/26 – 09/12/26: From $485
    05

    Sa

  • SEA–MFE, 09/06/26 – 09/13/26: From $447
    06

    Su

  • SEA–MFE, 09/07/26 – 09/14/26: From $571
    07

    Mo

  • SEA–MFE, 09/08/26 – 09/15/26: From $458
    08

    Tu

  • SEA–MFE, 09/09/26 – 09/16/26: From $388
    09

    We

  • SEA–MFE, 09/10/26 – 09/17/26: From $477
    10

    Th

  • SEA–MFE, 09/11/26 – 09/18/26: From $389
    11

    Fr

  • SEA–MFE, 09/12/26 – 09/19/26: From $414
    12

    Sa

  • SEA–MFE: cmp-view-offers-disclaimer. Find Offers
    13

    Su

  • SEA–MFE: cmp-view-offers-disclaimer. Find Offers
    14

    Mo

  • SEA–MFE, 09/15/26 – 09/22/26: From $414
    15

    Tu

    • range$388-$925

    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 Mcallen flights

    $
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    Seattle (SEA)to

    Mcallen (MFE)
    10/07/26 - 10/14/26

    Round trip

    Economy

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

    Seattle (SEA)to

    Mcallen (MFE)
    10/10/26 - 10/17/26

    Round trip

    Economy

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

    Seattle (SEA)to

    Mcallen (MFE)
    09/22/26 - 09/29/26

    Round trip

    Economy

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

    Seattle (SEA)to

    Mcallen (MFE)
    09/23/26 - 09/30/26

    Round trip

    Economy

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

    Seattle (SEA)to

    Mcallen (MFE)
    11/04/26 - 11/11/26

    Round trip

    Economy

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

    Seattle (SEA)to

    Mcallen (MFE)
    11/11/26 - 11/18/26

    Round trip

    Economy

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

    Seattle (SEA)to

    Mcallen (MFE)
    10/20/26 - 10/27/26

    Round trip

    Economy

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

    Seattle (SEA)to

    Mcallen (MFE)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $317Fare 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 Mcallen

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