American Airlines flights from Cincinnati to Ontario

Recent searches for flights from Cincinnati to Ontario

Sep 2026
From$477*
Updated: 7 hours ago
Round tripIEconomy
Oct 2026
From$317*
Updated: 7 hours ago
Round tripIEconomy
Nov 2026
From$317*
Updated: 7 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $317
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for September-2026
  • CVG–ONT, 09/15/26 – 09/22/26: From $1,040
    15

    Tu

    SEP

  • CVG–ONT, 09/16/26 – 09/23/26: From $1,091
    16

    We

  • CVG–ONT, 09/17/26 – 09/24/26: From $1,097
    17

    Th

  • CVG–ONT, 09/18/26 – 09/25/26: From $1,097
    18

    Fr

  • CVG–ONT, 09/19/26 – 09/26/26: From $1,058
    19

    Sa

  • CVG–ONT, 09/20/26 – 09/27/26: From $1,097
    20

    Su

  • CVG–ONT, 09/21/26 – 09/28/26: From $1,097
    21

    Mo

  • CVG–ONT, 09/22/26 – 09/29/26: From $877
    22

    Tu

  • CVG–ONT, 09/23/26 – 09/30/26: From $877
    23

    We

  • CVG–ONT, 09/24/26 – 10/01/26: From $877
    24

    Th

  • CVG–ONT, 09/25/26 – 10/02/26: From $877
    25

    Fr

  • CVG–ONT, 09/26/26 – 10/03/26: From $783
    26

    Sa

  • CVG–ONT, 09/27/26 – 10/04/26: From $877
    27

    Su

  • CVG–ONT, 09/28/26 – 10/05/26: From $740
    28

    Mo

  • CVG–ONT, 09/29/26 – 10/06/26: From $477
    29

    Tu

  • CVG–ONT, 09/30/26 – 10/07/26: From $477
    30

    We

  • CVG–ONT, 10/01/26 – 10/08/26: From $522
    01

    Th

    OCT

  • CVG–ONT, 10/02/26 – 10/09/26: From $522
    02

    Fr

  • CVG–ONT, 10/03/26 – 10/10/26: From $477
    03

    Sa

  • CVG–ONT, 10/04/26 – 10/11/26: From $603
    04

    Su

  • CVG–ONT, 10/05/26 – 10/12/26: From $363
    05

    Mo

  • CVG–ONT, 10/06/26 – 10/13/26: From $317
    06

    Tu

  • CVG–ONT, 10/07/26 – 10/14/26: From $317
    07

    We

  • CVG–ONT, 10/08/26 – 10/15/26: From $498
    08

    Th

  • CVG–ONT, 10/09/26 – 10/16/26: From $407
    09

    Fr

  • CVG–ONT, 10/10/26 – 10/17/26: From $317
    10

    Sa

  • CVG–ONT, 10/11/26 – 10/18/26: From $533
    11

    Su

  • CVG–ONT, 10/12/26 – 10/19/26: From $385
    12

    Mo

  • CVG–ONT: cmp-view-offers-disclaimer. Find Offers
    13

    Tu

  • CVG–ONT: cmp-view-offers-disclaimer. Find Offers
    14

    We

    • range$317-$1,097

    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 Cincinnati to Ontario flights

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    keyboard_arrow_down

    Cincinnati (CVG)to

    Ontario (ONT)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 7 hours ago

    Cincinnati (CVG)to

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

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 7 hours ago

    Cincinnati (CVG)to

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

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 7 hours ago

    Cincinnati (CVG)to

    Ontario (ONT)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 7 hours ago

    Cincinnati (CVG)to

    Ontario (ONT)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 7 hours ago

    Cincinnati (CVG)to

    Ontario (ONT)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 7 hours ago

    Cincinnati (CVG)to

    Ontario (ONT)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 7 hours ago

    Cincinnati (CVG)to

    Ontario (ONT)
    11/18/26 - 11/25/26

    Round trip

    Economy

    from
    $317Fare 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 Cincinnati to Ontario

    Looking for lower fares on your trip from Cincinnati 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 Cincinnati to Ontario