American Airlines flights from Houston to Missoula

Recent searches for flights from Houston to Missoula

Aug 2026
From$389*
Updated: 14 hours ago
Round tripIEconomy
Sep 2026
From$450*
Updated: 14 hours ago
Round tripIEconomy
Oct 2026
From$359*
Updated: 14 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $389
cmp-daily-histogram-bars-legend-max-price-aria-label $1.6K
Displaying fares for August-2026
  • IAH–MSO: cmp-view-offers-disclaimer. Find Offers
    01

    Sa

    AUG

  • IAH–MSO, 08/02/26 – 08/09/26: From $1,568
    02

    Su

  • IAH–MSO, 08/03/26 – 08/10/26: From $1,298
    03

    Mo

  • IAH–MSO, 08/04/26 – 08/11/26: From $1,050
    04

    Tu

  • IAH–MSO, 08/05/26 – 08/12/26: From $814
    05

    We

  • IAH–MSO, 08/06/26 – 08/13/26: From $881
    06

    Th

  • IAH–MSO, 08/07/26 – 08/14/26: From $964
    07

    Fr

  • IAH–MSO, 08/08/26 – 08/15/26: From $798
    08

    Sa

  • IAH–MSO, 08/09/26 – 08/16/26: From $966
    09

    Su

  • IAH–MSO, 08/10/26 – 08/17/26: From $819
    10

    Mo

  • IAH–MSO, 08/11/26 – 08/18/26: From $860
    11

    Tu

  • IAH–MSO, 08/12/26 – 08/19/26: From $814
    12

    We

  • IAH–MSO, 08/13/26 – 08/20/26: From $673
    13

    Th

  • IAH–MSO, 08/14/26 – 08/21/26: From $584
    14

    Fr

  • IAH–MSO, 08/15/26 – 08/22/26: From $738
    15

    Sa

  • IAH–MSO, 08/16/26 – 08/23/26: From $850
    16

    Su

  • IAH–MSO, 08/17/26 – 08/24/26: From $649
    17

    Mo

  • IAH–MSO, 08/18/26 – 08/25/26: From $612
    18

    Tu

  • IAH–MSO, 08/19/26 – 08/26/26: From $549
    19

    We

  • IAH–MSO, 08/20/26 – 08/27/26: From $554
    20

    Th

  • IAH–MSO, 08/21/26 – 08/28/26: From $549
    21

    Fr

  • IAH–MSO, 08/22/26 – 08/29/26: From $459
    22

    Sa

  • IAH–MSO, 08/23/26 – 08/30/26: From $815
    23

    Su

  • IAH–MSO, 08/24/26 – 08/31/26: From $539
    24

    Mo

  • IAH–MSO, 08/25/26 – 09/01/26: From $389
    25

    Tu

  • IAH–MSO, 08/26/26 – 09/02/26: From $389
    26

    We

  • IAH–MSO, 08/27/26 – 09/03/26: From $549
    27

    Th

  • IAH–MSO, 08/28/26 – 09/04/26: From $389
    28

    Fr

  • IAH–MSO: cmp-view-offers-disclaimer. Find Offers
    29

    Sa

  • IAH–MSO: cmp-view-offers-disclaimer. Find Offers
    30

    Su

  • IAH–MSO: cmp-view-offers-disclaimer. Find Offers
    31

    Mo

    • range$389-$1,568

    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 Houston to Missoula flights

    $
    keyboard_arrow_down

    Houston (IAH)to

    Missoula (MSO)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 14 hours ago

    Houston (IAH)to

    Missoula (MSO)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $389Fare subject to changes
    Updated: 14 hours ago

    Houston (IAH)to

    Missoula (MSO)
    08/26/26 - 09/02/26

    Round trip

    Economy

    from
    $389Fare subject to changes
    Updated: 14 hours ago

    Houston (IAH)to

    Missoula (MSO)
    08/28/26 - 09/04/26

    Round trip

    Economy

    from
    $389Fare subject to changes
    Updated: 14 hours ago

    Houston (IAH)to

    Missoula (MSO)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $389Fare subject to changes
    Updated: 14 hours ago

    Houston (IAH)to

    Missoula (MSO)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $389Fare subject to changes
    Updated: 14 hours ago

    Houston (IAH)to

    Missoula (MSO)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $389Fare subject to changes
    Updated: 14 hours ago

    Houston (IAH)to

    Missoula (MSO)
    08/25/26 - 09/01/26

    Round trip

    Economy

    from
    $389Fare subject to changes
    Updated: 14 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 Houston to Missoula

    Looking for lower fares on your trip from Houston to Missoula? 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 Houston to Missoula