American Airlines flights from Ontario to Madison

Recent searches for flights from Ontario to Madison

Sep 2026
From$443*
Updated: 3 hours ago
Round tripIEconomy
Oct 2026
From$361*
Updated: 3 hours ago
Round tripIEconomy
Nov 2026
From$361*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $370
cmp-daily-histogram-bars-legend-max-price-aria-label $745
Displaying fares for September-2026
  • ONT–MSN, 09/13/26 – 09/20/26: From $542
    13

    Su

    SEP

  • ONT–MSN, 09/14/26 – 09/21/26: From $606
    14

    Mo

  • ONT–MSN, 09/15/26 – 09/22/26: From $482
    15

    Tu

  • ONT–MSN, 09/16/26 – 09/23/26: From $513
    16

    We

  • ONT–MSN, 09/17/26 – 09/24/26: From $640
    17

    Th

  • ONT–MSN, 09/18/26 – 09/25/26: From $643
    18

    Fr

  • ONT–MSN, 09/19/26 – 09/26/26: From $453
    19

    Sa

  • ONT–MSN, 09/20/26 – 09/27/26: From $745
    20

    Su

  • ONT–MSN, 09/21/26 – 09/28/26: From $542
    21

    Mo

  • ONT–MSN, 09/22/26 – 09/29/26: From $453
    22

    Tu

  • ONT–MSN, 09/23/26 – 09/30/26: From $478
    23

    We

  • ONT–MSN, 09/24/26 – 10/01/26: From $499
    24

    Th

  • ONT–MSN, 09/25/26 – 10/02/26: From $494
    25

    Fr

  • ONT–MSN, 09/26/26 – 10/03/26: From $483
    26

    Sa

  • ONT–MSN, 09/27/26 – 10/04/26: From $534
    27

    Su

  • ONT–MSN, 09/28/26 – 10/05/26: From $449
    28

    Mo

  • ONT–MSN, 09/29/26 – 10/06/26: From $443
    29

    Tu

  • ONT–MSN, 09/30/26 – 10/07/26: From $469
    30

    We

  • ONT–MSN, 10/01/26 – 10/08/26: From $449
    01

    Th

    OCT

  • ONT–MSN, 10/02/26 – 10/09/26: From $497
    02

    Fr

  • ONT–MSN, 10/03/26 – 10/10/26: From $379
    03

    Sa

  • ONT–MSN, 10/04/26 – 10/11/26: From $560
    04

    Su

  • ONT–MSN, 10/05/26 – 10/12/26: From $494
    05

    Mo

  • ONT–MSN, 10/06/26 – 10/13/26: From $418
    06

    Tu

  • ONT–MSN, 10/07/26 – 10/14/26: From $418
    07

    We

  • ONT–MSN, 10/08/26 – 10/15/26: From $497
    08

    Th

  • ONT–MSN, 10/09/26 – 10/16/26: From $379
    09

    Fr

  • ONT–MSN, 10/10/26 – 10/17/26: From $370
    10

    Sa

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

    Su

  • ONT–MSN, 10/12/26 – 10/22/26: From $462
    12

    Mo

    • range$370-$745

    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 Madison flights

    $
    keyboard_arrow_down

    Ontario (ONT)to

    Madison (MSN)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 3 hours ago

    Ontario (ONT)to

    Madison (MSN)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 3 hours ago

    Ontario (ONT)to

    Madison (MSN)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 3 hours ago

    Ontario (ONT)to

    Madison (MSN)
    12/05/26 - 12/12/26

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 3 hours ago

    Ontario (ONT)to

    Madison (MSN)
    11/14/26 - 11/21/26

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 3 hours ago

    Ontario (ONT)to

    Madison (MSN)
    11/25/26 - 12/02/26

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 3 hours ago

    Ontario (ONT)to

    Madison (MSN)
    11/04/26 - 11/11/26

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 3 hours ago

    Ontario (ONT)to

    Madison (MSN)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $361Fare 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.

    Finding cheap flights from Ontario to Madison

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