American Airlines flights from Missoula to Chicago

Recent searches for flights from Missoula to Chicago

Aug 2026
From$459*
Updated: 7 hours ago
Round tripIEconomy
Sep 2026
From$420*
Updated: 7 hours ago
Round tripIEconomy
Oct 2026
From$319*
Updated: 7 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $459
cmp-daily-histogram-bars-legend-max-price-aria-label $876
Displaying fares for August-2026
  • MSO–ORD: cmp-view-offers-disclaimer. Find Offers
    23

    Su

    AUG

  • MSO–ORD, 08/24/26 – 08/31/26: From $529
    24

    Mo

  • MSO–ORD, 08/25/26 – 09/01/26: From $505
    25

    Tu

  • MSO–ORD, 08/26/26 – 09/02/26: From $646
    26

    We

  • MSO–ORD, 08/27/26 – 09/03/26: From $684
    27

    Th

  • MSO–ORD, 08/28/26 – 09/04/26: From $646
    28

    Fr

  • MSO–ORD, 08/29/26 – 09/05/26: From $529
    29

    Sa

  • MSO–ORD, 08/30/26 – 09/06/26: From $623
    30

    Su

  • MSO–ORD, 08/31/26 – 09/07/26: From $459
    31

    Mo

  • MSO–ORD, 09/01/26 – 09/08/26: From $532
    01

    Tu

    SEP

  • MSO–ORD, 09/02/26 – 09/09/26: From $663
    02

    We

  • MSO–ORD, 09/03/26 – 09/10/26: From $737
    03

    Th

  • MSO–ORD, 09/04/26 – 09/11/26: From $737
    04

    Fr

  • MSO–ORD, 09/05/26 – 09/12/26: From $539
    05

    Sa

  • MSO–ORD, 09/06/26 – 09/13/26: From $512
    06

    Su

  • MSO–ORD, 09/07/26 – 09/14/26: From $669
    07

    Mo

  • MSO–ORD, 09/08/26 – 09/15/26: From $548
    08

    Tu

  • MSO–ORD, 09/09/26 – 09/16/26: From $559
    09

    We

  • MSO–ORD, 09/10/26 – 09/17/26: From $716
    10

    Th

  • MSO–ORD, 09/11/26 – 09/14/26: From $575
    11

    Fr

  • MSO–ORD, 09/12/26 – 09/19/26: From $777
    12

    Sa

  • MSO–ORD, 09/13/26 – 09/20/26: From $743
    13

    Su

  • MSO–ORD, 09/14/26 – 09/21/26: From $876
    14

    Mo

  • MSO–ORD, 09/15/26 – 09/22/26: From $494
    15

    Tu

  • MSO–ORD, 09/16/26 – 09/23/26: From $555
    16

    We

  • MSO–ORD, 09/17/26 – 09/24/26: From $697
    17

    Th

  • MSO–ORD, 09/18/26 – 09/25/26: From $689
    18

    Fr

  • MSO–ORD, 09/19/26 – 09/26/26: From $598
    19

    Sa

  • MSO–ORD: cmp-view-offers-disclaimer. Find Offers
    20

    Su

  • MSO–ORD: cmp-view-offers-disclaimer. Find Offers
    21

    Mo

  • MSO–ORD: cmp-view-offers-disclaimer. Find Offers
    22

    Tu

    • range$459-$876

    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 Missoula to Chicago flights

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    Missoula (MSO)to

    Chicago (ORD)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 7 hours ago

    Missoula (MSO)to

    Chicago (ORD)
    10/30/26 - 11/06/26

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 7 hours ago

    Missoula (MSO)to

    Chicago (ORD)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 7 hours ago

    Missoula (MSO)to

    Chicago (ORD)
    10/16/26 - 10/23/26

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 7 hours ago

    Missoula (MSO)to

    Chicago (ORD)
    11/06/26 - 11/13/26

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 7 hours ago

    Missoula (MSO)to

    Chicago (ORD)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 7 hours ago

    Missoula (MSO)to

    Chicago (ORD)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 7 hours ago

    Missoula (MSO)to

    Chicago (ORD)
    11/12/26 - 11/19/26

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 7 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 Missoula to Chicago

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