American Airlines flights from Saint Louis to Sao Paulo

Recent searches for flights from Saint Louis to Sao Paulo

Aug 2026
From$1,693*
Updated: 5 hours ago
Round tripIEconomy
Sep 2026
From$1,338*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$1,263*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.5K
cmp-daily-histogram-bars-legend-max-price-aria-label $1.9K
Displaying fares for August-2026
  • STL–GRU, 08/14/26 – 08/21/26: From $1,875
    14

    Fr

    AUG

  • STL–GRU, 08/15/26 – 08/22/26: From $1,874
    15

    Sa

  • STL–GRU, 08/16/26 – 08/23/26: From $1,860
    16

    Su

  • STL–GRU, 08/17/26 – 08/24/26: From $1,860
    17

    Mo

  • STL–GRU, 08/18/26 – 08/25/26: From $1,860
    18

    Tu

  • STL–GRU, 08/19/26 – 08/26/26: From $1,821
    19

    We

  • STL–GRU, 08/20/26 – 08/27/26: From $1,821
    20

    Th

  • STL–GRU, 08/21/26 – 08/28/26: From $1,849
    21

    Fr

  • STL–GRU, 08/22/26 – 08/29/26: From $1,849
    22

    Sa

  • STL–GRU, 08/23/26 – 08/30/26: From $1,835
    23

    Su

  • STL–GRU, 08/24/26 – 08/31/26: From $1,805
    24

    Mo

  • STL–GRU, 08/25/26 – 09/01/26: From $1,805
    25

    Tu

  • STL–GRU, 08/26/26 – 09/02/26: From $1,805
    26

    We

  • STL–GRU, 08/27/26 – 09/03/26: From $1,805
    27

    Th

  • STL–GRU, 08/28/26 – 09/04/26: From $1,764
    28

    Fr

  • STL–GRU, 08/29/26 – 09/05/26: From $1,764
    29

    Sa

  • STL–GRU, 08/30/26 – 09/06/26: From $1,733
    30

    Su

  • STL–GRU, 08/31/26 – 09/07/26: From $1,693
    31

    Mo

  • STL–GRU, 09/01/26 – 09/08/26: From $1,693
    01

    Tu

    SEP

  • STL–GRU, 09/02/26 – 09/09/26: From $1,693
    02

    We

  • STL–GRU, 09/03/26 – 09/10/26: From $1,693
    03

    Th

  • STL–GRU, 09/04/26 – 09/11/26: From $1,586
    04

    Fr

  • STL–GRU, 09/05/26 – 09/12/26: From $1,586
    05

    Sa

  • STL–GRU, 09/06/26 – 09/13/26: From $1,546
    06

    Su

  • STL–GRU, 09/07/26 – 09/14/26: From $1,506
    07

    Mo

  • STL–GRU, 09/08/26 – 09/15/26: From $1,506
    08

    Tu

  • STL–GRU, 09/09/26 – 09/16/26: From $1,506
    09

    We

  • STL–GRU, 09/10/26 – 09/17/26: From $1,506
    10

    Th

  • STL–GRU, 09/11/26 – 09/18/26: From $1,493
    11

    Fr

  • STL–GRU, 09/12/26 – 09/19/26: From $1,493
    12

    Sa

  • STL–GRU, 09/13/26 – 09/20/26: From $1,453
    13

    Su

    • range$1,453-$1,875

    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 Saint Louis to Sao Paulo flights

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    Saint Louis (STL)to

    Sao Paulo (GRU)
    10/12/26 - 10/19/26

    Round trip

    Economy

    from
    $1,263Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Sao Paulo (GRU)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $1,263Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Sao Paulo (GRU)
    10/26/26 - 11/02/26

    Round trip

    Economy

    from
    $1,263Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Sao Paulo (GRU)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $1,263Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Sao Paulo (GRU)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $1,263Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Sao Paulo (GRU)
    12/07/26 - 12/14/26

    Round trip

    Economy

    from
    $1,263Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Sao Paulo (GRU)
    11/05/26 - 11/12/26

    Round trip

    Economy

    from
    $1,263Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Sao Paulo (GRU)
    11/09/26 - 11/16/26

    Round trip

    Economy

    from
    $1,263Fare 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 Saint Louis to Sao Paulo

    Looking for lower fares on your trip from Saint Louis to Sao Paulo? 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 Saint Louis to Sao Paulo