American Airlines flights from Saint Louis to Montrose

Recent searches for flights from Saint Louis to Montrose

Aug 2026
From$1,261*
Updated: 10 hours ago
Round tripIEconomy
Sep 2026
From$518*
Updated: 24 minutes ago
Round tripIEconomy
Oct 2026
From$385*
Updated: 24 minutes ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $518
cmp-daily-histogram-bars-legend-max-price-aria-label $1.5K
Displaying fares for August-2026
  • STL–MTJ, 08/31/26 – 09/07/26: From $1,261
    31

    Mo

    AUG

  • STL–MTJ, 09/01/26 – 09/08/26: From $1,533
    01

    Tu

  • STL–MTJ, 09/02/26 – 09/09/26: From $1,182
    02

    We

  • STL–MTJ, 09/03/26 – 09/10/26: From $868
    03

    Th

  • STL–MTJ, 09/04/26 – 09/11/26: From $732
    04

    Fr

  • STL–MTJ, 09/05/26 – 09/12/26: From $539
    05

    Sa

  • STL–MTJ, 09/06/26 – 09/13/26: From $623
    06

    Su

  • STL–MTJ, 09/07/26 – 09/14/26: From $700
    07

    Mo

  • STL–MTJ, 09/08/26 – 09/15/26: From $518
    08

    Tu

  • STL–MTJ, 09/09/26 – 09/16/26: From $518
    09

    We

  • STL–MTJ, 09/10/26 – 09/17/26: From $518
    10

    Th

  • STL–MTJ, 09/11/26 – 09/18/26: From $688
    11

    Fr

  • STL–MTJ, 09/12/26 – 09/19/26: From $623
    12

    Sa

  • STL–MTJ, 09/13/26 – 09/20/26: From $794
    13

    Su

  • STL–MTJ, 09/14/26 – 09/21/26: From $1,127
    14

    Mo

  • STL–MTJ, 09/15/26 – 09/22/26: From $656
    15

    Tu

  • STL–MTJ, 09/16/26 – 09/23/26: From $592
    16

    We

  • STL–MTJ, 09/17/26 – 09/24/26: From $803
    17

    Th

  • STL–MTJ, 09/18/26 – 09/25/26: From $655
    18

    Fr

  • STL–MTJ, 09/19/26 – 09/26/26: From $612
    19

    Sa

  • STL–MTJ, 09/20/26 – 09/27/26: From $866
    20

    Su

  • STL–MTJ, 09/21/26 – 09/28/26: From $806
    21

    Mo

  • STL–MTJ, 09/22/26 – 09/29/26: From $536
    22

    Tu

  • STL–MTJ, 09/23/26 – 09/30/26: From $573
    23

    We

  • STL–MTJ, 09/24/26 – 10/01/26: From $746
    24

    Th

  • STL–MTJ, 09/25/26 – 10/02/26: From $633
    25

    Fr

  • STL–MTJ, 09/26/26 – 10/03/26: From $773
    26

    Sa

  • STL–MTJ, 09/27/26 – 10/04/26: From $845
    27

    Su

  • STL–MTJ: cmp-view-offers-disclaimer. Find Offers
    28

    Mo

  • STL–MTJ: cmp-view-offers-disclaimer. Find Offers
    29

    Tu

  • STL–MTJ, 09/30/26 – 10/07/26: From $675
    30

    We

    • range$518-$1,533

    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 Montrose flights

    $
    keyboard_arrow_down

    Saint Louis (STL)to

    Montrose (MTJ)
    10/30/26 - 11/06/26

    Round trip

    Economy

    from
    $385Fare subject to changes
    Updated: 10 hours ago

    Saint Louis (STL)to

    Montrose (MTJ)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $385Fare subject to changes
    Updated: 24 minutes ago

    Saint Louis (STL)to

    Montrose (MTJ)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $385Fare subject to changes
    Updated: 24 minutes ago

    Saint Louis (STL)to

    Montrose (MTJ)
    10/15/26 - 10/22/26

    Round trip

    Economy

    from
    $385Fare subject to changes
    Updated: 24 minutes ago

    Saint Louis (STL)to

    Montrose (MTJ)
    10/19/26 - 10/26/26

    Round trip

    Economy

    from
    $385Fare subject to changes
    Updated: 24 minutes ago

    Saint Louis (STL)to

    Montrose (MTJ)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $385Fare subject to changes
    Updated: 24 minutes ago

    Saint Louis (STL)to

    Montrose (MTJ)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $385Fare subject to changes
    Updated: 24 minutes ago

    Saint Louis (STL)to

    Montrose (MTJ)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $385Fare subject to changes
    Updated: 24 minutes 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 Montrose

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