American Airlines flights from Chattanooga to Chicago

Recent searches for flights from Chattanooga to Chicago

Aug 2026
From$274*
Updated: 2 hours ago
Round tripIEconomy
Sep 2026
From$259*
Updated: 2 hours ago
Round tripIEconomy
Oct 2026
From$259*
Updated: 2 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $259
cmp-daily-histogram-bars-legend-max-price-aria-label $469
Displaying fares for August-2026
  • CHA–ORD, 08/15/26 – 08/22/26: From $379
    15

    Sa

    AUG

  • CHA–ORD, 08/16/26 – 08/23/26: From $469
    16

    Su

  • CHA–ORD, 08/17/26 – 08/24/26: From $469
    17

    Mo

  • CHA–ORD, 08/18/26 – 08/25/26: From $379
    18

    Tu

  • CHA–ORD, 08/19/26 – 08/26/26: From $379
    19

    We

  • CHA–ORD, 08/20/26 – 08/27/26: From $469
    20

    Th

  • CHA–ORD, 08/21/26 – 08/28/26: From $469
    21

    Fr

  • CHA–ORD, 08/22/26 – 08/29/26: From $334
    22

    Sa

  • CHA–ORD, 08/23/26 – 08/30/26: From $379
    23

    Su

  • CHA–ORD, 08/24/26 – 08/31/26: From $379
    24

    Mo

  • CHA–ORD, 08/25/26 – 09/01/26: From $334
    25

    Tu

  • CHA–ORD, 08/26/26 – 09/02/26: From $334
    26

    We

  • CHA–ORD, 08/27/26 – 09/03/26: From $379
    27

    Th

  • CHA–ORD, 08/28/26 – 09/08/26: From $364
    28

    Fr

  • CHA–ORD, 08/29/26 – 09/05/26: From $274
    29

    Sa

  • CHA–ORD, 08/30/26 – 09/06/26: From $274
    30

    Su

  • CHA–ORD, 08/31/26 – 09/07/26: From $274
    31

    Mo

  • CHA–ORD, 09/01/26 – 09/08/26: From $274
    01

    Tu

    SEP

  • CHA–ORD, 09/02/26 – 09/09/26: From $274
    02

    We

  • CHA–ORD, 09/03/26 – 09/10/26: From $274
    03

    Th

  • CHA–ORD, 09/04/26 – 09/11/26: From $274
    04

    Fr

  • CHA–ORD, 09/05/26 – 09/12/26: From $259
    05

    Sa

  • CHA–ORD, 09/06/26 – 09/13/26: From $259
    06

    Su

  • CHA–ORD, 09/07/26 – 09/14/26: From $259
    07

    Mo

  • CHA–ORD, 09/08/26 – 09/15/26: From $259
    08

    Tu

  • CHA–ORD, 09/09/26 – 09/16/26: From $259
    09

    We

  • CHA–ORD, 09/10/26 – 09/17/26: From $259
    10

    Th

  • CHA–ORD, 09/11/26 – 09/18/26: From $259
    11

    Fr

  • CHA–ORD: cmp-view-offers-disclaimer. Find Offers
    12

    Sa

  • CHA–ORD: cmp-view-offers-disclaimer. Find Offers
    13

    Su

  • CHA–ORD, 09/14/26 – 09/21/26: From $259
    14

    Mo

    • range$259-$469

    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 Chattanooga to Chicago flights

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    Chattanooga (CHA)to

    Chicago (ORD)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $259Fare subject to changes
    Updated: 21 hours ago

    Chattanooga (CHA)to

    Chicago (ORD)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $259Fare subject to changes
    Updated: 2 hours ago

    Chattanooga (CHA)to

    Chicago (ORD)
    10/19/26 - 10/26/26

    Round trip

    Economy

    from
    $259Fare subject to changes
    Updated: 2 hours ago

    Chattanooga (CHA)to

    Chicago (ORD)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $259Fare subject to changes
    Updated: 2 hours ago

    Chattanooga (CHA)to

    Chicago (ORD)
    10/26/26 - 11/02/26

    Round trip

    Economy

    from
    $259Fare subject to changes
    Updated: 2 hours ago

    Chattanooga (CHA)to

    Chicago (ORD)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $259Fare subject to changes
    Updated: 2 hours ago

    Chattanooga (CHA)to

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

    Round trip

    Economy

    from
    $259Fare subject to changes
    Updated: 2 hours ago

    Chattanooga (CHA)to

    Chicago (ORD)
    09/17/26 - 09/24/26

    Round trip

    Economy

    from
    $259Fare subject to changes
    Updated: 2 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 Chattanooga to Chicago

    Looking for lower fares on your trip from Chattanooga 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 Chattanooga to Chicago