American Airlines flights from New York/Newark to Ontario

Recent searches for flights from New York/Newark to Ontario

Sep 2026
From$451*
Updated: 1 hour ago
Round tripIEconomy
Oct 2026
From$399*
Updated: 1 hour ago
Round tripIEconomy
Nov 2026
From$399*
Updated: 1 hour ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $439
cmp-daily-histogram-bars-legend-max-price-aria-label $698
Displaying fares for September-2026
  • EWR–ONT, 09/15/26 – 09/22/26: From $580
    15

    Tu

    SEP

  • EWR–ONT, 09/16/26 – 09/23/26: From $580
    16

    We

  • EWR–ONT, 09/17/26 – 09/24/26: From $639
    17

    Th

  • EWR–ONT, 09/18/26 – 09/25/26: From $619
    18

    Fr

  • EWR–ONT, 09/19/26 – 09/26/26: From $580
    19

    Sa

  • EWR–ONT, 09/20/26 – 09/27/26: From $619
    20

    Su

  • EWR–ONT, 09/21/26 – 09/28/26: From $619
    21

    Mo

  • EWR–ONT, 09/22/26 – 09/29/26: From $541
    22

    Tu

  • EWR–ONT, 09/23/26 – 09/30/26: From $590
    23

    We

  • EWR–ONT, 09/24/26 – 10/01/26: From $663
    24

    Th

  • EWR–ONT, 09/25/26 – 10/02/26: From $546
    25

    Fr

  • EWR–ONT, 09/26/26 – 10/03/26: From $541
    26

    Sa

  • EWR–ONT, 09/27/26 – 10/04/26: From $541
    27

    Su

  • EWR–ONT, 09/28/26 – 10/05/26: From $561
    28

    Mo

  • EWR–ONT, 09/29/26 – 10/06/26: From $451
    29

    Tu

  • EWR–ONT, 09/30/26 – 10/07/26: From $503
    30

    We

  • EWR–ONT, 10/01/26 – 10/08/26: From $640
    01

    Th

    OCT

  • EWR–ONT, 10/02/26 – 10/09/26: From $549
    02

    Fr

  • EWR–ONT, 10/03/26 – 10/10/26: From $451
    03

    Sa

  • EWR–ONT, 10/04/26 – 10/11/26: From $561
    04

    Su

  • EWR–ONT, 10/05/26 – 10/12/26: From $633
    05

    Mo

  • EWR–ONT, 10/06/26 – 10/13/26: From $439
    06

    Tu

  • EWR–ONT, 10/07/26 – 10/14/26: From $479
    07

    We

  • EWR–ONT, 10/08/26 – 10/15/26: From $698
    08

    Th

  • EWR–ONT, 10/09/26 – 10/16/26: From $588
    09

    Fr

  • EWR–ONT, 10/10/26 – 10/17/26: From $451
    10

    Sa

  • EWR–ONT, 10/11/26 – 10/18/26: From $628
    11

    Su

  • EWR–ONT, 10/12/26 – 10/19/26: From $588
    12

    Mo

  • EWR–ONT: cmp-view-offers-disclaimer. Find Offers
    13

    Tu

  • EWR–ONT: cmp-view-offers-disclaimer. Find Offers
    14

    We

    • range$439-$698

    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 New York/Newark to Ontario flights

    $
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    New York/Newark (EWR)to

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

    Round trip

    Economy

    from
    $399Fare subject to changes
    Updated: 1 hour ago

    New York/Newark (EWR)to

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

    Round trip

    Economy

    from
    $399Fare subject to changes
    Updated: 1 hour ago

    New York/Newark (EWR)to

    Ontario (ONT)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $399Fare subject to changes
    Updated: 1 hour ago

    New York/Newark (EWR)to

    Ontario (ONT)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $399Fare subject to changes
    Updated: 1 hour ago

    New York/Newark (EWR)to

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

    Round trip

    Economy

    from
    $399Fare subject to changes
    Updated: 1 hour ago

    New York/Newark (EWR)to

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

    Round trip

    Economy

    from
    $399Fare subject to changes
    Updated: 1 hour ago

    New York/Newark (EWR)to

    Ontario (ONT)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $399Fare subject to changes
    Updated: 1 hour ago

    New York/Newark (EWR)to

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

    Round trip

    Economy

    from
    $399Fare subject to changes
    Updated: 1 hour 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.

    Citi / AAdvantage credit card offer.