American Airlines flights from Saint Louis to Tucson

Recent searches for flights from Saint Louis to Tucson

Aug 2026
From$744*
Updated: 3 hours ago
Round tripIEconomy
Sep 2026
From$355*
Updated: 3 hours ago
Round tripIEconomy
Oct 2026
From$355*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $355
cmp-daily-histogram-bars-legend-max-price-aria-label $982
Displaying fares for August-2026
  • STL–TUS, 08/18/26 – 08/25/26: From $951
    18

    Tu

    AUG

  • STL–TUS, 08/19/26 – 08/26/26: From $953
    19

    We

  • STL–TUS, 08/20/26 – 08/27/26: From $982
    20

    Th

  • STL–TUS, 08/21/26 – 08/28/26: From $982
    21

    Fr

  • STL–TUS, 08/22/26 – 08/29/26: From $951
    22

    Sa

  • STL–TUS, 08/23/26 – 08/30/26: From $982
    23

    Su

  • STL–TUS, 08/24/26 – 08/31/26: From $982
    24

    Mo

  • STL–TUS, 08/25/26 – 09/01/26: From $746
    25

    Tu

  • STL–TUS, 08/26/26 – 09/02/26: From $744
    26

    We

  • STL–TUS, 08/27/26 – 09/03/26: From $767
    27

    Th

  • STL–TUS, 08/28/26 – 09/04/26: From $767
    28

    Fr

  • STL–TUS, 08/29/26 – 09/05/26: From $746
    29

    Sa

  • STL–TUS, 08/30/26 – 09/06/26: From $767
    30

    Su

  • STL–TUS, 08/31/26 – 09/07/26: From $805
    31

    Mo

  • STL–TUS, 09/01/26 – 09/08/26: From $446
    01

    Tu

    SEP

  • STL–TUS, 09/02/26 – 09/09/26: From $446
    02

    We

  • STL–TUS, 09/03/26 – 09/10/26: From $446
    03

    Th

  • STL–TUS, 09/04/26 – 09/11/26: From $461
    04

    Fr

  • STL–TUS, 09/05/26 – 09/12/26: From $355
    05

    Sa

  • STL–TUS, 09/06/26 – 09/13/26: From $416
    06

    Su

  • STL–TUS, 09/07/26 – 09/14/26: From $446
    07

    Mo

  • STL–TUS, 09/08/26 – 09/15/26: From $355
    08

    Tu

  • STL–TUS, 09/09/26 – 09/16/26: From $355
    09

    We

  • STL–TUS, 09/10/26 – 09/17/26: From $355
    10

    Th

  • STL–TUS, 09/11/26 – 09/14/26: From $355
    11

    Fr

  • STL–TUS, 09/12/26 – 09/19/26: From $355
    12

    Sa

  • STL–TUS, 09/13/26 – 09/20/26: From $467
    13

    Su

  • STL–TUS, 09/14/26 – 09/18/26: From $459
    14

    Mo

  • STL–TUS: cmp-view-offers-disclaimer. Find Offers
    15

    Tu

  • STL–TUS: cmp-view-offers-disclaimer. Find Offers
    16

    We

  • STL–TUS, 09/17/26 – 09/24/26: From $355
    17

    Th

    • range$355-$982

    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 Tucson flights

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    Saint Louis (STL)to

    Tucson (TUS)
    10/26/26 - 11/02/26

    Round trip

    Economy

    from
    $355Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

    Tucson (TUS)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $355Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

    Tucson (TUS)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $355Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

    Tucson (TUS)
    09/05/26 - 09/12/26

    Round trip

    Economy

    from
    $355Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

    Tucson (TUS)
    09/08/26 - 09/15/26

    Round trip

    Economy

    from
    $355Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

    Tucson (TUS)
    09/09/26 - 09/16/26

    Round trip

    Economy

    from
    $355Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

    Tucson (TUS)
    09/19/26 - 09/26/26

    Round trip

    Economy

    from
    $355Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

    Tucson (TUS)
    09/28/26 - 10/05/26

    Round trip

    Economy

    from
    $355Fare 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 Saint Louis to Tucson

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