American Airlines flights from Louisville to Ontario

Recent searches for flights from Louisville to Ontario

Sep 2026
From$564*
Updated: 3 hours ago
Round tripIEconomy
Oct 2026
From$267*
Updated: 3 hours ago
Round tripIEconomy
Nov 2026
From$267*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $267
cmp-daily-histogram-bars-legend-max-price-aria-label $1.4K
Displaying fares for September-2026
  • SDF–ONT, 09/15/26 – 09/22/26: From $601
    15

    Tu

    SEP

  • SDF–ONT, 09/16/26 – 09/23/26: From $915
    16

    We

  • SDF–ONT, 09/17/26 – 09/24/26: From $761
    17

    Th

  • SDF–ONT, 09/18/26 – 09/25/26: From $761
    18

    Fr

  • SDF–ONT, 09/19/26 – 09/26/26: From $601
    19

    Sa

  • SDF–ONT, 09/20/26 – 09/27/26: From $761
    20

    Su

  • SDF–ONT, 09/21/26 – 09/28/26: From $988
    21

    Mo

  • SDF–ONT, 09/22/26 – 09/29/26: From $601
    22

    Tu

  • SDF–ONT, 09/23/26 – 09/30/26: From $601
    23

    We

  • SDF–ONT, 09/24/26 – 10/01/26: From $684
    24

    Th

  • SDF–ONT, 09/25/26 – 10/02/26: From $684
    25

    Fr

  • SDF–ONT, 09/26/26 – 10/03/26: From $601
    26

    Sa

  • SDF–ONT, 09/27/26 – 10/04/26: From $837
    27

    Su

  • SDF–ONT, 09/28/26 – 10/05/26: From $1,442
    28

    Mo

  • SDF–ONT, 09/29/26 – 10/06/26: From $564
    29

    Tu

  • SDF–ONT, 09/30/26 – 10/07/26: From $564
    30

    We

  • SDF–ONT, 10/01/26 – 10/08/26: From $677
    01

    Th

    OCT

  • SDF–ONT, 10/02/26 – 10/09/26: From $567
    02

    Fr

  • SDF–ONT, 10/03/26 – 10/10/26: From $564
    03

    Sa

  • SDF–ONT, 10/04/26 – 10/11/26: From $627
    04

    Su

  • SDF–ONT, 10/05/26 – 10/12/26: From $348
    05

    Mo

  • SDF–ONT, 10/06/26 – 10/13/26: From $324
    06

    Tu

  • SDF–ONT, 10/07/26 – 10/14/26: From $397
    07

    We

  • SDF–ONT, 10/08/26 – 10/15/26: From $420
    08

    Th

  • SDF–ONT, 10/09/26 – 10/16/26: From $339
    09

    Fr

  • SDF–ONT, 10/10/26 – 10/17/26: From $267
    10

    Sa

  • SDF–ONT, 10/11/26 – 10/18/26: From $607
    11

    Su

  • SDF–ONT, 10/12/26 – 10/19/26: From $564
    12

    Mo

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

    Tu

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

    We

    • range$267-$1,442

    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 Louisville to Ontario flights

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    Louisville (SDF)to

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

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

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

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

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

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

    Ontario (ONT)
    11/25/26 - 12/02/26

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

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

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

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

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

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

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

    Ontario (ONT)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 3 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.

    Citi / AAdvantage credit card offer.