American Airlines flights from Chattanooga to Ontario

Recent searches for flights from Chattanooga to Ontario

Sep 2026
From$394*
Updated: 19 hours ago
Round tripIEconomy
Oct 2026
From$359*
Updated: 19 hours ago
Round tripIEconomy
Nov 2026
From$359*
Updated: 19 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $359
cmp-daily-histogram-bars-legend-max-price-aria-label $599
Displaying fares for September-2026
  • CHA–ONT, 09/11/26 – 09/18/26: From $554
    11

    Fr

    SEP

  • CHA–ONT, 09/12/26 – 09/19/26: From $465
    12

    Sa

  • CHA–ONT, 09/13/26 – 09/20/26: From $599
    13

    Su

  • CHA–ONT, 09/14/26 – 09/21/26: From $554
    14

    Mo

  • CHA–ONT, 09/15/26 – 09/22/26: From $465
    15

    Tu

  • CHA–ONT, 09/16/26 – 09/23/26: From $465
    16

    We

  • CHA–ONT, 09/17/26 – 09/24/26: From $564
    17

    Th

  • CHA–ONT, 09/18/26 – 09/23/26: From $492
    18

    Fr

  • CHA–ONT, 09/19/26 – 09/26/26: From $447
    19

    Sa

  • CHA–ONT, 09/20/26 – 09/27/26: From $564
    20

    Su

  • CHA–ONT, 09/21/26 – 09/28/26: From $519
    21

    Mo

  • CHA–ONT, 09/22/26 – 09/29/26: From $447
    22

    Tu

  • CHA–ONT, 09/23/26 – 09/30/26: From $447
    23

    We

  • CHA–ONT, 09/24/26 – 10/01/26: From $404
    24

    Th

  • CHA–ONT, 09/25/26 – 09/29/26: From $429
    25

    Fr

  • CHA–ONT, 09/26/26 – 10/03/26: From $394
    26

    Sa

  • CHA–ONT, 09/27/26 – 10/04/26: From $564
    27

    Su

  • CHA–ONT, 09/28/26 – 10/05/26: From $439
    28

    Mo

  • CHA–ONT, 09/29/26 – 10/06/26: From $394
    29

    Tu

  • CHA–ONT, 09/30/26 – 10/07/26: From $447
    30

    We

  • CHA–ONT, 10/01/26 – 10/08/26: From $564
    01

    Th

    OCT

  • CHA–ONT, 10/02/26 – 10/09/26: From $449
    02

    Fr

  • CHA–ONT, 10/03/26 – 10/10/26: From $359
    03

    Sa

  • CHA–ONT, 10/04/26 – 10/11/26: From $494
    04

    Su

  • CHA–ONT, 10/05/26 – 10/12/26: From $459
    05

    Mo

  • CHA–ONT, 10/06/26 – 10/13/26: From $359
    06

    Tu

  • CHA–ONT, 10/07/26 – 10/14/26: From $412
    07

    We

  • CHA–ONT: cmp-view-offers-disclaimer. Find Offers
    08

    Th

  • CHA–ONT: cmp-view-offers-disclaimer. Find Offers
    09

    Fr

  • CHA–ONT: cmp-view-offers-disclaimer. Find Offers
    10

    Sa

    • range$359-$599

    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 Ontario flights

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    keyboard_arrow_down

    Chattanooga (CHA)to

    Ontario (ONT)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 19 hours ago

    Chattanooga (CHA)to

    Ontario (ONT)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 19 hours ago

    Chattanooga (CHA)to

    Ontario (ONT)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 19 hours ago

    Chattanooga (CHA)to

    Ontario (ONT)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 19 hours ago

    Chattanooga (CHA)to

    Ontario (ONT)
    10/03/26 - 10/10/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 19 hours ago

    Chattanooga (CHA)to

    Ontario (ONT)
    12/05/26 - 12/12/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 19 hours ago

    Chattanooga (CHA)to

    Ontario (ONT)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 19 hours ago

    Chattanooga (CHA)to

    Ontario (ONT)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 19 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 Ontario

    Looking for lower fares on your trip from Chattanooga to Ontario? 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

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    • 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 Ontario