American Airlines flights from Ontario to Wilmington

Recent searches for flights from Ontario to Wilmington

Sep 2026
From$575*
Updated: 7 hours ago
Round tripIEconomy
Oct 2026
From$459*
Updated: 7 hours ago
Round tripIEconomy
Nov 2026
From$459*
Updated: 7 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $548
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for September-2026
  • ONT–ILM: cmp-view-offers-disclaimer. Find Offers
    13

    Su

    SEP

  • ONT–ILM, 09/14/26 – 09/21/26: From $958
    14

    Mo

  • ONT–ILM, 09/15/26 – 09/22/26: From $703
    15

    Tu

  • ONT–ILM, 09/16/26 – 09/23/26: From $716
    16

    We

  • ONT–ILM, 09/17/26 – 09/24/26: From $1,078
    17

    Th

  • ONT–ILM, 09/18/26 – 09/25/26: From $784
    18

    Fr

  • ONT–ILM, 09/19/26 – 09/26/26: From $698
    19

    Sa

  • ONT–ILM, 09/20/26 – 09/27/26: From $939
    20

    Su

  • ONT–ILM, 09/21/26 – 09/28/26: From $784
    21

    Mo

  • ONT–ILM, 09/22/26 – 09/29/26: From $575
    22

    Tu

  • ONT–ILM, 09/23/26 – 09/30/26: From $639
    23

    We

  • ONT–ILM, 09/24/26 – 10/01/26: From $850
    24

    Th

  • ONT–ILM, 09/25/26 – 10/02/26: From $685
    25

    Fr

  • ONT–ILM, 09/26/26 – 10/03/26: From $634
    26

    Sa

  • ONT–ILM, 09/27/26 – 10/04/26: From $855
    27

    Su

  • ONT–ILM, 09/28/26 – 10/05/26: From $784
    28

    Mo

  • ONT–ILM, 09/29/26 – 10/06/26: From $634
    29

    Tu

  • ONT–ILM, 09/30/26 – 10/07/26: From $698
    30

    We

  • ONT–ILM, 10/01/26 – 10/05/26: From $784
    01

    Th

    OCT

  • ONT–ILM, 10/02/26 – 10/09/26: From $665
    02

    Fr

  • ONT–ILM, 10/03/26 – 10/10/26: From $575
    03

    Sa

  • ONT–ILM, 10/04/26 – 10/11/26: From $948
    04

    Su

  • ONT–ILM, 10/05/26 – 10/12/26: From $731
    05

    Mo

  • ONT–ILM, 10/06/26 – 10/13/26: From $566
    06

    Tu

  • ONT–ILM, 10/07/26 – 10/14/26: From $634
    07

    We

  • ONT–ILM, 10/08/26 – 10/15/26: From $705
    08

    Th

  • ONT–ILM, 10/09/26 – 10/16/26: From $591
    09

    Fr

  • ONT–ILM, 10/10/26 – 10/17/26: From $548
    10

    Sa

  • ONT–ILM: cmp-view-offers-disclaimer. Find Offers
    11

    Su

  • ONT–ILM: cmp-view-offers-disclaimer. Find Offers
    12

    Mo

    • range$548-$1,078

    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 Wilmington flights

    $
    keyboard_arrow_down

    Ontario (ONT)to

    Wilmington (ILM)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $459Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Wilmington (ILM)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $459Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Wilmington (ILM)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $459Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Wilmington (ILM)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $459Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Wilmington (ILM)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $459Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Wilmington (ILM)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $459Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Wilmington (ILM)
    12/05/26 - 12/12/26

    Round trip

    Economy

    from
    $459Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Wilmington (ILM)
    12/09/26 - 12/16/26

    Round trip

    Economy

    from
    $459Fare 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 Wilmington

    Looking for lower fares on your trip from Ontario to Wilmington? 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 Ontario to Wilmington