American Airlines flights from Sacramento to Saint Louis

Recent searches for flights from Sacramento to Saint Louis

Aug 2026
From$442*
Updated: 3 hours ago
Round tripIEconomy
Sep 2026
From$442*
Updated: 3 hours ago
Round tripIEconomy
Oct 2026
From$447*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $442
cmp-daily-histogram-bars-legend-max-price-aria-label $573
Displaying fares for August-2026
  • SMF–STL: cmp-view-offers-disclaimer. Find Offers
    04

    Tu

    AUG

  • SMF–STL, 08/05/26 – 08/12/26: From $573
    05

    We

  • SMF–STL, 08/06/26 – 08/13/26: From $573
    06

    Th

  • SMF–STL, 08/07/26 – 08/14/26: From $573
    07

    Fr

  • SMF–STL, 08/08/26 – 08/15/26: From $573
    08

    Sa

  • SMF–STL, 08/09/26 – 08/16/26: From $573
    09

    Su

  • SMF–STL, 08/10/26 – 08/17/26: From $573
    10

    Mo

  • SMF–STL, 08/11/26 – 08/18/26: From $573
    11

    Tu

  • SMF–STL, 08/12/26 – 08/26/26: From $560
    12

    We

  • SMF–STL, 08/13/26 – 08/20/26: From $573
    13

    Th

  • SMF–STL, 08/14/26 – 08/21/26: From $573
    14

    Fr

  • SMF–STL, 08/15/26 – 08/22/26: From $573
    15

    Sa

  • SMF–STL, 08/16/26 – 08/23/26: From $573
    16

    Su

  • SMF–STL, 08/17/26 – 08/24/26: From $548
    17

    Mo

  • SMF–STL, 08/18/26 – 08/25/26: From $548
    18

    Tu

  • SMF–STL, 08/19/26 – 08/26/26: From $548
    19

    We

  • SMF–STL, 08/20/26 – 08/27/26: From $548
    20

    Th

  • SMF–STL, 08/21/26 – 08/28/26: From $573
    21

    Fr

  • SMF–STL, 08/22/26 – 08/29/26: From $548
    22

    Sa

  • SMF–STL, 08/23/26 – 08/30/26: From $573
    23

    Su

  • SMF–STL, 08/24/26 – 08/31/26: From $447
    24

    Mo

  • SMF–STL, 08/25/26 – 09/01/26: From $447
    25

    Tu

  • SMF–STL, 08/26/26 – 09/02/26: From $447
    26

    We

  • SMF–STL, 08/27/26 – 09/03/26: From $447
    27

    Th

  • SMF–STL, 08/28/26 – 09/04/26: From $511
    28

    Fr

  • SMF–STL, 08/29/26 – 09/05/26: From $442
    29

    Sa

  • SMF–STL, 08/30/26 – 09/06/26: From $510
    30

    Su

  • SMF–STL, 08/31/26 – 09/07/26: From $447
    31

    Mo

  • SMF–STL: cmp-view-offers-disclaimer. Find Offers
    01

    Tu

    SEP

  • SMF–STL: cmp-view-offers-disclaimer. Find Offers
    02

    We

  • SMF–STL: cmp-view-offers-disclaimer. Find Offers
    03

    Th

    • range$442-$573

    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 Sacramento to Saint Louis flights

    $
    keyboard_arrow_down

    Sacramento (SMF)to

    Saint Louis (STL)
    09/05/26 - 09/12/26

    Round trip

    Economy

    from
    $442Fare subject to changes
    Updated: 3 hours ago

    Sacramento (SMF)to

    Saint Louis (STL)
    08/29/26 - 09/05/26

    Round trip

    Economy

    from
    $442Fare subject to changes
    Updated: 3 hours ago

    Sacramento (SMF)to

    Saint Louis (STL)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $447Fare subject to changes
    Updated: 3 hours ago

    Sacramento (SMF)to

    Saint Louis (STL)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $447Fare subject to changes
    Updated: 3 hours ago

    Sacramento (SMF)to

    Saint Louis (STL)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $447Fare subject to changes
    Updated: 3 hours ago

    Sacramento (SMF)to

    Saint Louis (STL)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $447Fare subject to changes
    Updated: 3 hours ago

    Sacramento (SMF)to

    Saint Louis (STL)
    09/08/26 - 09/15/26

    Round trip

    Economy

    from
    $447Fare subject to changes
    Updated: 3 hours ago

    Sacramento (SMF)to

    Saint Louis (STL)
    09/17/26 - 09/24/26

    Round trip

    Economy

    from
    $447Fare subject to changes
    Updated: 3 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 Sacramento to Saint Louis

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