American Airlines flights from Ontario to Kansas City

Recent searches for flights from Ontario to Kansas City

Jul 2026
From$743*
Updated: 7 hours ago
Round tripIEconomy
Aug 2026
From$371*
Updated: 7 hours ago
Round tripIEconomy
Sep 2026
From$296*
Updated: 13 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $371
cmp-daily-histogram-bars-legend-max-price-aria-label $743
Displaying fares for July-2026
  • ONT–MCI, 07/31/26 – 08/07/26: From $743
    31

    Fr

    JUL

  • ONT–MCI, 08/01/26 – 08/08/26: From $559
    01

    Sa

  • ONT–MCI, 08/02/26 – 08/09/26: From $743
    02

    Su

  • ONT–MCI, 08/03/26 – 08/11/26: From $696
    03

    Mo

  • ONT–MCI, 08/04/26 – 08/11/26: From $559
    04

    Tu

  • ONT–MCI, 08/05/26 – 08/12/26: From $559
    05

    We

  • ONT–MCI, 08/06/26 – 08/13/26: From $711
    06

    Th

  • ONT–MCI, 08/07/26 – 08/14/26: From $711
    07

    Fr

  • ONT–MCI, 08/08/26 – 08/15/26: From $693
    08

    Sa

  • ONT–MCI, 08/09/26 – 08/16/26: From $711
    09

    Su

  • ONT–MCI, 08/10/26 – 08/17/26: From $711
    10

    Mo

  • ONT–MCI, 08/11/26 – 08/18/26: From $514
    11

    Tu

  • ONT–MCI, 08/12/26 – 08/19/26: From $514
    12

    We

  • ONT–MCI, 08/13/26 – 08/20/26: From $484
    13

    Th

  • ONT–MCI, 08/14/26 – 08/21/26: From $524
    14

    Fr

  • ONT–MCI, 08/15/26 – 08/22/26: From $465
    15

    Sa

  • ONT–MCI, 08/16/26 – 08/23/26: From $555
    16

    Su

  • ONT–MCI, 08/17/26 – 08/24/26: From $494
    17

    Mo

  • ONT–MCI, 08/18/26 – 08/25/26: From $371
    18

    Tu

  • ONT–MCI, 08/19/26 – 08/26/26: From $371
    19

    We

  • ONT–MCI, 08/20/26 – 08/27/26: From $371
    20

    Th

  • ONT–MCI, 08/21/26 – 08/28/26: From $451
    21

    Fr

  • ONT–MCI, 08/22/26 – 08/29/26: From $371
    22

    Sa

  • ONT–MCI, 08/23/26 – 08/30/26: From $495
    23

    Su

  • ONT–MCI, 08/24/26 – 08/31/26: From $372
    24

    Mo

  • ONT–MCI, 08/25/26 – 09/01/26: From $371
    25

    Tu

  • ONT–MCI, 08/26/26 – 09/02/26: From $371
    26

    We

  • ONT–MCI, 08/27/26 – 09/03/26: From $371
    27

    Th

  • ONT–MCI: cmp-view-offers-disclaimer. Find Offers
    28

    Fr

  • ONT–MCI: cmp-view-offers-disclaimer. Find Offers
    29

    Sa

  • ONT–MCI, 08/30/26 – 09/06/26: From $435
    30

    Su

    • range$371-$743

    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 Ontario to Kansas City flights

    $
    keyboard_arrow_down

    Ontario (ONT)to

    Kansas City (MCI)
    09/03/26 - 09/06/26

    Round trip

    Economy

    from
    $296Fare subject to changes
    Updated: 13 hours ago

    Ontario (ONT)to

    Kansas City (MCI)
    10/10/26 - 10/17/26

    Round trip

    Economy

    from
    $371Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Kansas City (MCI)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $371Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Kansas City (MCI)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $371Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Kansas City (MCI)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $371Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Kansas City (MCI)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $371Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Kansas City (MCI)
    09/30/26 - 10/07/26

    Round trip

    Economy

    from
    $371Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Kansas City (MCI)
    09/16/26 - 09/23/26

    Round trip

    Economy

    from
    $371Fare 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 Ontario to Kansas City

    Looking for lower fares on your trip from Ontario to Kansas City? 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 Ontario to Kansas City