American Airlines flights from Jacksonville to Ontario

Recent searches for flights from Jacksonville to Ontario

Aug 2026
From$335*
Updated: 13 minutes ago
Round tripIEconomy
Sep 2026
From$347*
Updated: 13 minutes ago
Round tripIEconomy
Oct 2026
From$347*
Updated: 13 minutes ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $335
cmp-daily-histogram-bars-legend-max-price-aria-label $741
Displaying fares for August-2026
  • JAX–ONT: cmp-view-offers-disclaimer. Find Offers
    06

    Th

    AUG

  • JAX–ONT, 08/07/26 – 08/14/26: From $741
    07

    Fr

  • JAX–ONT, 08/08/26 – 08/15/26: From $586
    08

    Sa

  • JAX–ONT, 08/09/26 – 08/16/26: From $741
    09

    Su

  • JAX–ONT, 08/10/26 – 08/17/26: From $741
    10

    Mo

  • JAX–ONT, 08/11/26 – 08/18/26: From $581
    11

    Tu

  • JAX–ONT, 08/12/26 – 08/19/26: From $581
    12

    We

  • JAX–ONT, 08/13/26 – 08/20/26: From $674
    13

    Th

  • JAX–ONT, 08/14/26 – 08/21/26: From $674
    14

    Fr

  • JAX–ONT, 08/15/26 – 08/22/26: From $542
    15

    Sa

  • JAX–ONT, 08/16/26 – 08/23/26: From $674
    16

    Su

  • JAX–ONT, 08/17/26 – 08/24/26: From $654
    17

    Mo

  • JAX–ONT, 08/18/26 – 08/25/26: From $499
    18

    Tu

  • JAX–ONT, 08/19/26 – 08/26/26: From $499
    19

    We

  • JAX–ONT, 08/20/26 – 08/27/26: From $457
    20

    Th

  • JAX–ONT, 08/21/26 – 08/28/26: From $492
    21

    Fr

  • JAX–ONT, 08/22/26 – 08/29/26: From $382
    22

    Sa

  • JAX–ONT, 08/23/26 – 08/30/26: From $557
    23

    Su

  • JAX–ONT, 08/24/26 – 08/31/26: From $457
    24

    Mo

  • JAX–ONT, 08/25/26 – 09/01/26: From $382
    25

    Tu

  • JAX–ONT, 08/26/26 – 09/02/26: From $382
    26

    We

  • JAX–ONT, 08/27/26 – 09/03/26: From $526
    27

    Th

  • JAX–ONT, 08/28/26 – 09/04/26: From $533
    28

    Fr

  • JAX–ONT, 08/29/26 – 09/05/26: From $335
    29

    Sa

  • JAX–ONT, 08/30/26 – 09/06/26: From $533
    30

    Su

  • JAX–ONT, 08/31/26 – 09/07/26: From $544
    31

    Mo

  • JAX–ONT, 09/01/26 – 09/08/26: From $458
    01

    Tu

    SEP

  • JAX–ONT, 09/02/26 – 09/09/26: From $379
    02

    We

  • JAX–ONT: cmp-view-offers-disclaimer. Find Offers
    03

    Th

  • JAX–ONT: cmp-view-offers-disclaimer. Find Offers
    04

    Fr

  • JAX–ONT: cmp-view-offers-disclaimer. Find Offers
    05

    Sa

    • range$335-$741

    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 Jacksonville to Ontario flights

    $
    keyboard_arrow_down

    Jacksonville (JAX)to

    Ontario (ONT)
    08/29/26 - 09/05/26

    Round trip

    Economy

    from
    $335Fare subject to changes
    Updated: 13 minutes ago

    Jacksonville (JAX)to

    Ontario (ONT)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $347Fare subject to changes
    Updated: 13 minutes ago

    Jacksonville (JAX)to

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

    Round trip

    Economy

    from
    $347Fare subject to changes
    Updated: 13 minutes ago

    Jacksonville (JAX)to

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

    Round trip

    Economy

    from
    $347Fare subject to changes
    Updated: 13 minutes ago

    Jacksonville (JAX)to

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

    Round trip

    Economy

    from
    $347Fare subject to changes
    Updated: 13 minutes ago

    Jacksonville (JAX)to

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

    Round trip

    Economy

    from
    $347Fare subject to changes
    Updated: 13 minutes ago

    Jacksonville (JAX)to

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

    Round trip

    Economy

    from
    $347Fare subject to changes
    Updated: 13 minutes ago

    Jacksonville (JAX)to

    Ontario (ONT)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $347Fare subject to changes
    Updated: 13 minutes 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 Jacksonville to Ontario

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