American Airlines flights from Dallas to Ontario

Recent searches for flights from Dallas to Ontario

Aug 2026
From$523*
Updated: 18 hours ago
Round tripIEconomy
Sep 2026
From$351*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$351*
Updated: 4 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $351
cmp-daily-histogram-bars-legend-max-price-aria-label $651
Displaying fares for August-2026
  • DFW–ONT, 08/19/26 – 08/22/26: From $561
    19

    We

    AUG

  • DFW–ONT, 08/20/26 – 08/27/26: From $651
    20

    Th

  • DFW–ONT, 08/21/26 – 08/28/26: From $651
    21

    Fr

  • DFW–ONT, 08/22/26 – 08/29/26: From $561
    22

    Sa

  • DFW–ONT, 08/23/26 – 08/30/26: From $651
    23

    Su

  • DFW–ONT, 08/24/26 – 08/31/26: From $651
    24

    Mo

  • DFW–ONT, 08/25/26 – 09/01/26: From $561
    25

    Tu

  • DFW–ONT, 08/26/26 – 09/02/26: From $561
    26

    We

  • DFW–ONT, 08/27/26 – 09/03/26: From $651
    27

    Th

  • DFW–ONT, 08/28/26 – 09/02/26: From $606
    28

    Fr

  • DFW–ONT, 08/29/26 – 09/05/26: From $561
    29

    Sa

  • DFW–ONT, 08/30/26 – 09/11/26: From $523
    30

    Su

  • DFW–ONT, 08/31/26 – 09/07/26: From $651
    31

    Mo

  • DFW–ONT, 09/01/26 – 09/10/26: From $456
    01

    Tu

    SEP

  • DFW–ONT, 09/02/26 – 09/09/26: From $456
    02

    We

  • DFW–ONT, 09/03/26 – 09/10/26: From $501
    03

    Th

  • DFW–ONT, 09/04/26 – 09/11/26: From $518
    04

    Fr

  • DFW–ONT, 09/05/26 – 09/12/26: From $376
    05

    Sa

  • DFW–ONT, 09/06/26 – 09/10/26: From $376
    06

    Su

  • DFW–ONT, 09/07/26 – 09/21/26: From $462
    07

    Mo

  • DFW–ONT, 09/08/26 – 09/15/26: From $456
    08

    Tu

  • DFW–ONT, 09/09/26 – 09/16/26: From $351
    09

    We

  • DFW–ONT, 09/10/26 – 09/17/26: From $351
    10

    Th

  • DFW–ONT, 09/11/26 – 09/14/26: From $373
    11

    Fr

  • DFW–ONT, 09/12/26 – 09/19/26: From $351
    12

    Sa

  • DFW–ONT, 09/13/26 – 09/20/26: From $563
    13

    Su

  • DFW–ONT, 09/14/26 – 09/21/26: From $362
    14

    Mo

  • DFW–ONT, 09/15/26 – 09/22/26: From $351
    15

    Tu

  • DFW–ONT, 09/16/26 – 09/23/26: From $351
    16

    We

  • DFW–ONT, 09/17/26 – 09/22/26: From $362
    17

    Th

  • DFW–ONT, 09/18/26 – 09/22/26: From $373
    18

    Fr

    • range$351-$651

    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 Dallas to Ontario flights

    $
    keyboard_arrow_down

    Dallas (DFW)to

    Ontario (ONT)
    09/29/26 - 10/06/26

    Round trip

    Economy

    from
    $351Fare subject to changes
    Updated: 4 hours ago

    Dallas (DFW)to

    Ontario (ONT)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $351Fare subject to changes
    Updated: 4 hours ago

    Dallas (DFW)to

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

    Round trip

    Economy

    from
    $351Fare subject to changes
    Updated: 4 hours ago

    Dallas (DFW)to

    Ontario (ONT)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $351Fare subject to changes
    Updated: 4 hours ago

    Dallas (DFW)to

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

    Round trip

    Economy

    from
    $351Fare subject to changes
    Updated: 4 hours ago

    Dallas (DFW)to

    Ontario (ONT)
    09/10/26 - 09/17/26

    Round trip

    Economy

    from
    $351Fare subject to changes
    Updated: 4 hours ago

    Dallas (DFW)to

    Ontario (ONT)
    09/12/26 - 09/19/26

    Round trip

    Economy

    from
    $351Fare subject to changes
    Updated: 4 hours ago

    Dallas (DFW)to

    Ontario (ONT)
    09/19/26 - 09/26/26

    Round trip

    Economy

    from
    $351Fare subject to changes
    Updated: 4 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 Dallas to Ontario

    Looking for lower fares on your trip from Dallas 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

    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 Dallas to Ontario