American Airlines flights from Seattle to Mexico City

Recent searches for flights from Seattle to Mexico City

Aug 2026
From$1,055*
Updated: 5 hours ago
Round tripIEconomy
Sep 2026
From$621*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$549*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $621
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for August-2026
  • SEA–MEX: cmp-view-offers-disclaimer. Find Offers
    20

    Th

    AUG

  • SEA–MEX, 08/21/26 – 08/28/26: From $1,055
    21

    Fr

  • SEA–MEX, 08/22/26 – 08/29/26: From $1,115
    22

    Sa

  • SEA–MEX, 08/23/26 – 08/30/26: From $1,120
    23

    Su

  • SEA–MEX, 08/24/26 – 08/31/26: From $1,085
    24

    Mo

  • SEA–MEX, 08/25/26 – 09/01/26: From $1,055
    25

    Tu

  • SEA–MEX, 08/26/26 – 09/02/26: From $1,055
    26

    We

  • SEA–MEX, 08/27/26 – 09/03/26: From $1,055
    27

    Th

  • SEA–MEX, 08/28/26 – 09/04/26: From $1,055
    28

    Fr

  • SEA–MEX, 08/29/26 – 09/05/26: From $1,115
    29

    Sa

  • SEA–MEX, 08/30/26 – 09/06/26: From $1,120
    30

    Su

  • SEA–MEX, 08/31/26 – 09/07/26: From $1,106
    31

    Mo

  • SEA–MEX, 09/01/26 – 10/21/26: From $802
    01

    Tu

    SEP

  • SEA–MEX, 09/02/26 – 09/09/26: From $863
    02

    We

  • SEA–MEX, 09/03/26 – 09/10/26: From $943
    03

    Th

  • SEA–MEX, 09/04/26 – 10/21/26: From $630
    04

    Fr

  • SEA–MEX, 09/05/26 – 09/12/26: From $686
    05

    Sa

  • SEA–MEX, 09/06/26 – 09/13/26: From $796
    06

    Su

  • SEA–MEX, 09/07/26 – 09/14/26: From $686
    07

    Mo

  • SEA–MEX, 09/08/26 – 09/15/26: From $646
    08

    Tu

  • SEA–MEX, 09/09/26 – 09/16/26: From $646
    09

    We

  • SEA–MEX, 09/10/26 – 09/17/26: From $621
    10

    Th

  • SEA–MEX, 09/11/26 – 09/18/26: From $621
    11

    Fr

  • SEA–MEX, 09/12/26 – 09/19/26: From $661
    12

    Sa

  • SEA–MEX, 09/13/26 – 09/20/26: From $666
    13

    Su

  • SEA–MEX, 09/14/26 – 09/21/26: From $641
    14

    Mo

  • SEA–MEX, 09/15/26 – 09/22/26: From $621
    15

    Tu

  • SEA–MEX, 09/16/26 – 09/23/26: From $621
    16

    We

  • SEA–MEX, 09/17/26 – 09/24/26: From $621
    17

    Th

  • SEA–MEX, 09/18/26 – 09/25/26: From $621
    18

    Fr

  • SEA–MEX, 09/19/26 – 09/26/26: From $661
    19

    Sa

    • range$621-$1,120

    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 Mexico City flights

    $
    keyboard_arrow_down

    Seattle (SEA)to

    Mexico City (MEX)
    10/15/26 - 10/22/26

    Round trip

    Economy

    from
    $549Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Mexico City (MEX)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $549Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Mexico City (MEX)
    12/03/26 - 12/10/26

    Round trip

    Economy

    from
    $549Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Mexico City (MEX)
    12/09/26 - 12/16/26

    Round trip

    Economy

    from
    $549Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Mexico City (MEX)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $549Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Mexico City (MEX)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $549Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Mexico City (MEX)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $549Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Mexico City (MEX)
    11/13/26 - 11/20/26

    Round trip

    Economy

    from
    $549Fare subject to changes
    Updated: 5 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 Mexico City

    Looking for lower fares on your trip from Seattle to Mexico City? 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 Mexico City