American Airlines flights from Kalispell to Ontario

Recent searches for flights from Kalispell to Ontario

Aug 2026
From$520*
Updated: 17 hours ago
Round tripIEconomy
Sep 2026
From$383*
Updated: 8 hours ago
Round tripIEconomy
Oct 2026
From$537*
Updated: 8 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $383
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for August-2026
  • FCA–ONT, 08/31/26 – 09/07/26: From $520
    31

    Mo

    AUG

  • FCA–ONT, 09/01/26 – 09/08/26: From $707
    01

    Tu

  • FCA–ONT, 09/02/26 – 09/09/26: From $976
    02

    We

  • FCA–ONT, 09/03/26 – 09/10/26: From $806
    03

    Th

  • FCA–ONT, 09/04/26 – 09/11/26: From $880
    04

    Fr

  • FCA–ONT, 09/05/26 – 09/12/26: From $489
    05

    Sa

  • FCA–ONT, 09/06/26 – 09/13/26: From $862
    06

    Su

  • FCA–ONT, 09/07/26 – 09/14/26: From $1,149
    07

    Mo

  • FCA–ONT, 09/08/26 – 09/15/26: From $817
    08

    Tu

  • FCA–ONT, 09/09/26 – 09/16/26: From $916
    09

    We

  • FCA–ONT, 09/10/26 – 09/17/26: From $842
    10

    Th

  • FCA–ONT, 09/11/26 – 09/18/26: From $998
    11

    Fr

  • FCA–ONT, 09/12/26 – 09/19/26: From $1,033
    12

    Sa

  • FCA–ONT, 09/13/26 – 09/20/26: From $942
    13

    Su

  • FCA–ONT, 09/14/26 – 09/21/26: From $766
    14

    Mo

  • FCA–ONT, 09/15/26 – 09/22/26: From $833
    15

    Tu

  • FCA–ONT, 09/16/26 – 09/23/26: From $687
    16

    We

  • FCA–ONT, 09/17/26 – 09/24/26: From $954
    17

    Th

  • FCA–ONT, 09/18/26 – 09/25/26: From $941
    18

    Fr

  • FCA–ONT, 09/19/26 – 09/26/26: From $846
    19

    Sa

  • FCA–ONT, 09/20/26 – 09/27/26: From $1,029
    20

    Su

  • FCA–ONT, 09/21/26 – 09/28/26: From $922
    21

    Mo

  • FCA–ONT, 09/22/26 – 09/29/26: From $383
    22

    Tu

  • FCA–ONT, 09/23/26 – 09/30/26: From $547
    23

    We

  • FCA–ONT, 09/24/26 – 10/01/26: From $502
    24

    Th

  • FCA–ONT, 09/25/26 – 10/02/26: From $592
    25

    Fr

  • FCA–ONT, 09/26/26 – 10/03/26: From $553
    26

    Sa

  • FCA–ONT, 09/27/26 – 10/04/26: From $1,017
    27

    Su

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

    Mo

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

    Tu

  • FCA–ONT, 09/30/26 – 10/07/26: From $850
    30

    We

    • range$383-$1,149

    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 Kalispell to Ontario flights

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    Kalispell (FCA)to

    Ontario (ONT)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $383Fare subject to changes
    Updated: 8 hours ago

    Kalispell (FCA)to

    Ontario (ONT)
    09/05/26 - 09/12/26

    Round trip

    Economy

    from
    $489Fare subject to changes
    Updated: 8 hours ago

    Kalispell (FCA)to

    Ontario (ONT)
    09/24/26 - 10/01/26

    Round trip

    Economy

    from
    $502Fare subject to changes
    Updated: 8 hours ago

    Kalispell (FCA)to

    Ontario (ONT)
    08/31/26 - 09/07/26

    Round trip

    Economy

    from
    $520Fare subject to changes
    Updated: 17 hours ago

    Kalispell (FCA)to

    Ontario (ONT)
    10/02/26 - 10/09/26

    Round trip

    Economy

    from
    $537Fare subject to changes
    Updated: 8 hours ago

    Kalispell (FCA)to

    Ontario (ONT)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $547Fare subject to changes
    Updated: 8 hours ago

    Kalispell (FCA)to

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

    Round trip

    Economy

    from
    $553Fare subject to changes
    Updated: 8 hours ago

    Kalispell (FCA)to

    Ontario (ONT)
    10/01/26 - 10/08/26

    Round trip

    Economy

    from
    $562Fare subject to changes
    Updated: 8 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 Kalispell to Ontario

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