American Airlines flights from Seattle to Buenos Aires

Recent searches for flights from Seattle to Buenos Aires

Aug 2026
From$1,867*
Updated: 5 hours ago
Round tripIEconomy
Sep 2026
From$1,507*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$1,402*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.6K
cmp-daily-histogram-bars-legend-max-price-aria-label $2.3K
Displaying fares for August-2026
  • SEA–BUE: cmp-view-offers-disclaimer. Find Offers
    14

    Fr

    AUG

  • SEA–EZE, 08/15/26 – 08/22/26: From $2,042
    15

    Sa

  • SEA–EZE, 08/16/26 – 08/23/26: From $1,972
    16

    Su

  • SEA–EZE, 08/17/26 – 08/24/26: From $1,972
    17

    Mo

  • SEA–EZE, 08/18/26 – 08/25/26: From $1,972
    18

    Tu

  • SEA–EZE, 08/19/26 – 08/26/26: From $1,972
    19

    We

  • SEA–EZE, 08/20/26 – 08/27/26: From $1,972
    20

    Th

  • SEA–EZE, 08/21/26 – 08/28/26: From $2,042
    21

    Fr

  • SEA–EZE, 08/22/26 – 08/29/26: From $2,042
    22

    Sa

  • SEA–EZE, 08/23/26 – 08/30/26: From $2,300
    23

    Su

  • SEA–EZE, 08/24/26 – 08/31/26: From $1,972
    24

    Mo

  • SEA–EZE, 08/25/26 – 09/01/26: From $1,972
    25

    Tu

  • SEA–EZE, 08/26/26 – 09/02/26: From $1,972
    26

    We

  • SEA–EZE, 08/27/26 – 09/03/26: From $1,972
    27

    Th

  • SEA–EZE, 08/28/26 – 09/04/26: From $1,937
    28

    Fr

  • SEA–EZE, 08/29/26 – 09/05/26: From $1,937
    29

    Sa

  • SEA–EZE, 08/30/26 – 09/06/26: From $1,867
    30

    Su

  • SEA–EZE, 08/31/26 – 09/07/26: From $1,867
    31

    Mo

  • SEA–EZE, 09/01/26 – 09/08/26: From $2,300
    01

    Tu

    SEP

  • SEA–EZE, 09/02/26 – 09/09/26: From $1,867
    02

    We

  • SEA–EZE, 09/03/26 – 09/10/26: From $1,867
    03

    Th

  • SEA–EZE, 09/04/26 – 09/11/26: From $1,757
    04

    Fr

  • SEA–EZE, 09/05/26 – 09/12/26: From $2,325
    05

    Sa

  • SEA–EZE, 09/06/26 – 09/13/26: From $1,687
    06

    Su

  • SEA–EZE, 09/07/26 – 09/14/26: From $1,687
    07

    Mo

  • SEA–EZE, 09/08/26 – 09/15/26: From $1,687
    08

    Tu

  • SEA–EZE, 09/09/26 – 09/16/26: From $1,687
    09

    We

  • SEA–EZE, 09/10/26 – 09/17/26: From $1,687
    10

    Th

  • SEA–EZE, 09/11/26 – 09/18/26: From $1,682
    11

    Fr

  • SEA–EZE, 09/12/26 – 09/19/26: From $2,315
    12

    Sa

  • SEA–EZE, 09/13/26 – 09/20/26: From $1,612
    13

    Su

    • range$1,612-$2,325

    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 Buenos Aires flights

    $
    keyboard_arrow_down

    Seattle (SEA)to

    Buenos Aires (EZE)
    12/06/26 - 12/13/26

    Round trip

    Economy

    from
    $1,388Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Buenos Aires (EZE)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $1,388Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Buenos Aires (EZE)
    12/09/26 - 12/16/26

    Round trip

    Economy

    from
    $1,388Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Buenos Aires (EZE)
    12/07/26 - 12/14/26

    Round trip

    Economy

    from
    $1,388Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Buenos Aires (EZE)
    12/10/26 - 12/17/26

    Round trip

    Economy

    from
    $1,388Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Buenos Aires (EZE)
    11/25/26 - 12/02/26

    Round trip

    Economy

    from
    $1,398Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Buenos Aires (EZE)
    11/26/26 - 12/03/26

    Round trip

    Economy

    from
    $1,398Fare subject to changes
    Updated: 5 hours ago

    Seattle (SEA)to

    Buenos Aires (EZE)
    11/29/26 - 12/06/26

    Round trip

    Economy

    from
    $1,398Fare 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 Buenos Aires

    Looking for lower fares on your trip from Seattle to Buenos Aires? 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 Buenos Aires