American Airlines flights from Phoenix to Ontario

Recent searches for flights from Phoenix to Ontario

Aug 2026
From$440*
Updated: 5 hours ago
Round tripIEconomy
Sep 2026
From$117*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$117*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $117
cmp-daily-histogram-bars-legend-max-price-aria-label $479
Displaying fares for August-2026
  • PHX–ONT: cmp-view-offers-disclaimer. Find Offers
    19

    We

    AUG

  • PHX–ONT, 08/20/26 – 08/27/26: From $479
    20

    Th

  • PHX–ONT, 08/21/26 – 08/28/26: From $479
    21

    Fr

  • PHX–ONT, 08/22/26 – 08/29/26: From $447
    22

    Sa

  • PHX–ONT, 08/23/26 – 08/30/26: From $479
    23

    Su

  • PHX–ONT, 08/24/26 – 08/31/26: From $479
    24

    Mo

  • PHX–ONT, 08/25/26 – 09/01/26: From $447
    25

    Tu

  • PHX–ONT, 08/26/26 – 09/02/26: From $440
    26

    We

  • PHX–ONT, 08/27/26 – 09/03/26: From $456
    27

    Th

  • PHX–ONT, 08/28/26 – 09/04/26: From $456
    28

    Fr

  • PHX–ONT, 08/29/26 – 09/05/26: From $440
    29

    Sa

  • PHX–ONT, 08/30/26 – 09/06/26: From $456
    30

    Su

  • PHX–ONT, 08/31/26 – 09/07/26: From $456
    31

    Mo

  • PHX–ONT, 09/01/26 – 09/08/26: From $440
    01

    Tu

    SEP

  • PHX–ONT, 09/02/26 – 09/09/26: From $275
    02

    We

  • PHX–ONT, 09/03/26 – 09/10/26: From $275
    03

    Th

  • PHX–ONT, 09/04/26 – 09/11/26: From $292
    04

    Fr

  • PHX–ONT, 09/05/26 – 09/12/26: From $229
    05

    Sa

  • PHX–ONT, 09/06/26 – 09/13/26: From $366
    06

    Su

  • PHX–ONT, 09/07/26 – 09/09/26: From $275
    07

    Mo

  • PHX–ONT, 09/08/26 – 09/15/26: From $275
    08

    Tu

  • PHX–ONT, 09/09/26 – 09/16/26: From $117
    09

    We

  • PHX–ONT, 09/10/26 – 09/17/26: From $117
    10

    Th

  • PHX–ONT, 09/11/26 – 09/16/26: From $229
    11

    Fr

  • PHX–ONT, 09/12/26 – 09/19/26: From $229
    12

    Sa

  • PHX–ONT, 09/13/26 – 09/20/26: From $375
    13

    Su

  • PHX–ONT, 09/14/26 – 09/21/26: From $332
    14

    Mo

  • PHX–ONT, 09/15/26 – 09/22/26: From $117
    15

    Tu

  • PHX–ONT: cmp-view-offers-disclaimer. Find Offers
    16

    We

  • PHX–ONT, 09/17/26 – 09/19/26: From $117
    17

    Th

  • PHX–ONT, 09/18/26 – 09/20/26: From $316
    18

    Fr

    • range$117-$479

    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 Phoenix to Ontario flights

    $
    keyboard_arrow_down

    Phoenix (PHX)to

    Ontario (ONT)
    09/26/26 - 10/03/26

    Round trip

    Economy

    from
    $117Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

    Ontario (ONT)
    11/05/26 - 11/12/26

    Round trip

    Economy

    from
    $117Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

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

    Round trip

    Economy

    from
    $117Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

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

    Round trip

    Economy

    from
    $117Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

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

    Round trip

    Economy

    from
    $117Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

    Ontario (ONT)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $117Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

    Ontario (ONT)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $117Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

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

    Round trip

    Economy

    from
    $117Fare 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 Phoenix to Ontario

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