American Airlines flights from Chicago to Buenos Aires

Recent searches for flights from Chicago to Buenos Aires

Aug 2026
From$908*
Updated: 8 hours ago
Round tripIEconomy
Sep 2026
From$1,100*
Updated: 8 hours ago
Round tripIEconomy
Oct 2026
From$1,100*
Updated: 8 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $908
cmp-daily-histogram-bars-legend-max-price-aria-label $1.7K
Displaying fares for August-2026
  • ORD–EZE: cmp-view-offers-disclaimer. Find Offers
    14

    Fr

    AUG

  • ORD–EZE, 08/15/26 – 08/22/26: From $1,006
    15

    Sa

  • ORD–EZE, 08/16/26 – 08/23/26: From $908
    16

    Su

  • ORD–EZE, 08/17/26 – 08/24/26: From $908
    17

    Mo

  • ORD–EZE, 08/18/26 – 08/25/26: From $1,006
    18

    Tu

  • ORD–EZE, 08/19/26 – 08/26/26: From $908
    19

    We

  • ORD–EZE, 08/20/26 – 09/20/26: From $1,004
    20

    Th

  • ORD–EZE, 08/21/26 – 08/28/26: From $1,063
    21

    Fr

  • ORD–EZE, 08/22/26 – 08/29/26: From $1,074
    22

    Sa

  • ORD–EZE, 08/23/26 – 08/30/26: From $1,186
    23

    Su

  • ORD–EZE, 08/24/26 – 08/31/26: From $908
    24

    Mo

  • ORD–EZE, 08/25/26 – 09/01/26: From $1,004
    25

    Tu

  • ORD–EZE, 08/26/26 – 09/02/26: From $1,004
    26

    We

  • ORD–EZE, 08/27/26 – 09/03/26: From $1,004
    27

    Th

  • ORD–EZE, 08/28/26 – 09/04/26: From $1,008
    28

    Fr

  • ORD–EZE, 08/29/26 – 09/05/26: From $1,159
    29

    Sa

  • ORD–EZE, 08/30/26 – 09/06/26: From $1,004
    30

    Su

  • ORD–EZE, 08/31/26 – 09/07/26: From $1,219
    31

    Mo

  • ORD–EZE, 09/01/26 – 09/08/26: From $1,437
    01

    Tu

    SEP

  • ORD–EZE, 09/02/26 – 09/09/26: From $1,100
    02

    We

  • ORD–EZE, 09/03/26 – 09/10/26: From $1,100
    03

    Th

  • ORD–EZE, 09/04/26 – 09/11/26: From $1,217
    04

    Fr

  • ORD–EZE, 09/05/26 – 09/12/26: From $1,694
    05

    Sa

  • ORD–EZE, 09/06/26 – 09/13/26: From $1,217
    06

    Su

  • ORD–EZE, 09/07/26 – 09/14/26: From $1,100
    07

    Mo

  • ORD–EZE, 09/08/26 – 09/15/26: From $1,100
    08

    Tu

  • ORD–EZE, 09/09/26 – 09/16/26: From $1,100
    09

    We

  • ORD–EZE, 09/10/26 – 09/17/26: From $1,162
    10

    Th

  • ORD–EZE, 09/11/26 – 09/18/26: From $1,162
    11

    Fr

  • ORD–EZE, 09/12/26 – 09/19/26: From $1,437
    12

    Sa

  • ORD–EZE, 09/13/26 – 09/20/26: From $1,100
    13

    Su

    • range$908-$1,694

    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 Chicago to Buenos Aires flights

    $
    keyboard_arrow_down

    Chicago (ORD)to

    Buenos Aires (EZE)
    08/20/26 - 09/20/26

    Round trip

    Economy

    from
    $1,004Fare subject to changes
    Updated: 17 hours ago

    Chicago (ORD)to

    Buenos Aires (EZE)
    08/24/26 - 08/31/26

    Round trip

    Economy

    from
    $908Fare subject to changes
    Updated: 8 hours ago

    Chicago (ORD)to

    Buenos Aires (EZE)
    08/16/26 - 08/23/26

    Round trip

    Economy

    from
    $908Fare subject to changes
    Updated: 8 hours ago

    Chicago (ORD)to

    Buenos Aires (EZE)
    08/17/26 - 08/24/26

    Round trip

    Economy

    from
    $908Fare subject to changes
    Updated: 8 hours ago

    Chicago (ORD)to

    Buenos Aires (EZE)
    08/19/26 - 08/26/26

    Round trip

    Economy

    from
    $908Fare subject to changes
    Updated: 8 hours ago

    Chicago (ORD)to

    Buenos Aires (EZE)
    08/26/26 - 09/02/26

    Round trip

    Economy

    from
    $1,004Fare subject to changes
    Updated: 8 hours ago

    Chicago (ORD)to

    Buenos Aires (EZE)
    08/25/26 - 09/01/26

    Round trip

    Economy

    from
    $1,004Fare subject to changes
    Updated: 8 hours ago

    Chicago (ORD)to

    Buenos Aires (EZE)
    08/30/26 - 09/06/26

    Round trip

    Economy

    from
    $1,004Fare subject to changes
    Updated: 8 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 Chicago to Buenos Aires

    Looking for lower fares on your trip from Chicago 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 Chicago to Buenos Aires