American Airlines flights from Peoria to Ontario

Recent searches for flights from Peoria to Ontario

Aug 2026
From$732*
Updated: 14 hours ago
Round tripIEconomy
Sep 2026
From$359*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$359*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $359
cmp-daily-histogram-bars-legend-max-price-aria-label $802
Displaying fares for August-2026
  • PIA–ONT, 08/31/26 – 09/07/26: From $732
    31

    Mo

    AUG

  • PIA–ONT, 09/01/26 – 09/08/26: From $530
    01

    Tu

  • PIA–ONT, 09/02/26 – 09/09/26: From $530
    02

    We

  • PIA–ONT, 09/03/26 – 09/10/26: From $554
    03

    Th

  • PIA–ONT, 09/04/26 – 09/11/26: From $728
    04

    Fr

  • PIA–ONT, 09/05/26 – 09/12/26: From $530
    05

    Sa

  • PIA–ONT, 09/06/26 – 09/13/26: From $499
    06

    Su

  • PIA–ONT, 09/07/26 – 09/14/26: From $474
    07

    Mo

  • PIA–ONT, 09/08/26 – 09/15/26: From $474
    08

    Tu

  • PIA–ONT, 09/09/26 – 09/16/26: From $424
    09

    We

  • PIA–ONT, 09/10/26 – 09/17/26: From $499
    10

    Th

  • PIA–ONT, 09/11/26 – 09/18/26: From $623
    11

    Fr

  • PIA–ONT, 09/12/26 – 09/19/26: From $424
    12

    Sa

  • PIA–ONT, 09/13/26 – 09/20/26: From $802
    13

    Su

  • PIA–ONT, 09/14/26 – 09/21/26: From $758
    14

    Mo

  • PIA–ONT, 09/15/26 – 09/22/26: From $450
    15

    Tu

  • PIA–ONT, 09/16/26 – 09/23/26: From $506
    16

    We

  • PIA–ONT, 09/17/26 – 09/24/26: From $775
    17

    Th

  • PIA–ONT, 09/18/26 – 09/25/26: From $399
    18

    Fr

  • PIA–ONT, 09/19/26 – 09/26/26: From $450
    19

    Sa

  • PIA–ONT, 09/20/26 – 09/27/26: From $629
    20

    Su

  • PIA–ONT, 09/21/26 – 09/28/26: From $580
    21

    Mo

  • PIA–ONT, 09/22/26 – 09/29/26: From $359
    22

    Tu

  • PIA–ONT, 09/23/26 – 09/30/26: From $450
    23

    We

  • PIA–ONT, 09/24/26 – 10/01/26: From $558
    24

    Th

  • PIA–ONT, 09/25/26 – 10/02/26: From $469
    25

    Fr

  • PIA–ONT, 09/26/26 – 10/03/26: From $450
    26

    Sa

  • PIA–ONT, 09/27/26 – 10/04/26: From $775
    27

    Su

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

    Mo

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

    Tu

  • PIA–ONT, 09/30/26 – 10/07/26: From $450
    30

    We

    • range$359-$802

    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 Peoria to Ontario flights

    $
    keyboard_arrow_down

    Peoria (PIA)to

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

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 5 hours ago

    Peoria (PIA)to

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

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 5 hours ago

    Peoria (PIA)to

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

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 5 hours ago

    Peoria (PIA)to

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

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 5 hours ago

    Peoria (PIA)to

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

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 5 hours ago

    Peoria (PIA)to

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

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 5 hours ago

    Peoria (PIA)to

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

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 5 hours ago

    Peoria (PIA)to

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

    Round trip

    Economy

    from
    $359Fare 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 Peoria to Ontario

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