American Airlines flights from Jacksonville to Ontario

Recent searches for flights from Jacksonville to Ontario

Aug 2026
From$823*
Updated: 14 hours ago
Round tripIEconomy
Sep 2026
From$578*
Updated: 14 hours ago
Round tripIEconomy
Oct 2026
From$429*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $578
cmp-daily-histogram-bars-legend-max-price-aria-label $1.2K
Displaying fares for August-2026
  • OAJ–ONT, 08/31/26 – 09/07/26: From $823
    31

    Mo

    AUG

  • OAJ–ONT, 09/01/26 – 09/08/26: From $806
    01

    Tu

  • OAJ–ONT, 09/02/26 – 09/09/26: From $653
    02

    We

  • OAJ–ONT, 09/03/26 – 09/10/26: From $923
    03

    Th

  • OAJ–ONT, 09/04/26 – 09/11/26: From $1,132
    04

    Fr

  • OAJ–ONT, 09/05/26 – 09/12/26: From $679
    05

    Sa

  • OAJ–ONT, 09/06/26 – 09/13/26: From $823
    06

    Su

  • OAJ–ONT, 09/07/26 – 09/14/26: From $1,037
    07

    Mo

  • OAJ–ONT, 09/08/26 – 09/15/26: From $956
    08

    Tu

  • OAJ–ONT, 09/09/26 – 09/16/26: From $731
    09

    We

  • OAJ–ONT, 09/10/26 – 09/17/26: From $823
    10

    Th

  • OAJ–ONT, 09/11/26 – 09/18/26: From $928
    11

    Fr

  • OAJ–ONT, 09/12/26 – 09/19/26: From $679
    12

    Sa

  • OAJ–ONT, 09/13/26 – 09/20/26: From $1,046
    13

    Su

  • OAJ–ONT, 09/14/26 – 09/21/26: From $1,208
    14

    Mo

  • OAJ–ONT, 09/15/26 – 09/22/26: From $705
    15

    Tu

  • OAJ–ONT, 09/16/26 – 09/23/26: From $653
    16

    We

  • OAJ–ONT, 09/17/26 – 09/24/26: From $923
    17

    Th

  • OAJ–ONT, 09/18/26 – 09/25/26: From $917
    18

    Fr

  • OAJ–ONT, 09/19/26 – 09/26/26: From $679
    19

    Sa

  • OAJ–ONT, 09/20/26 – 09/27/26: From $1,001
    20

    Su

  • OAJ–ONT, 09/21/26 – 09/28/26: From $851
    21

    Mo

  • OAJ–ONT, 09/22/26 – 09/29/26: From $672
    22

    Tu

  • OAJ–ONT, 09/23/26 – 09/30/26: From $640
    23

    We

  • OAJ–ONT, 09/24/26 – 10/01/26: From $821
    24

    Th

  • OAJ–ONT, 09/25/26 – 10/02/26: From $757
    25

    Fr

  • OAJ–ONT, 09/26/26 – 10/03/26: From $664
    26

    Sa

  • OAJ–ONT, 09/27/26 – 10/04/26: From $823
    27

    Su

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

    Mo

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

    Tu

  • OAJ–ONT, 09/30/26 – 10/07/26: From $578
    30

    We

    • range$578-$1,208

    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 (OAJ)to

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

    Round trip

    Economy

    from
    $429Fare subject to changes
    Updated: 5 hours ago

    Jacksonville (OAJ)to

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

    Round trip

    Economy

    from
    $429Fare subject to changes
    Updated: 5 hours ago

    Jacksonville (OAJ)to

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

    Round trip

    Economy

    from
    $429Fare subject to changes
    Updated: 5 hours ago

    Jacksonville (OAJ)to

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

    Round trip

    Economy

    from
    $429Fare subject to changes
    Updated: 5 hours ago

    Jacksonville (OAJ)to

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

    Round trip

    Economy

    from
    $429Fare subject to changes
    Updated: 5 hours ago

    Jacksonville (OAJ)to

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

    Round trip

    Economy

    from
    $429Fare subject to changes
    Updated: 5 hours ago

    Jacksonville (OAJ)to

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

    Round trip

    Economy

    from
    $429Fare subject to changes
    Updated: 5 hours ago

    Jacksonville (OAJ)to

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

    Round trip

    Economy

    from
    $429Fare subject to changes
    Updated: 5 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 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