American Airlines flights from Ontario to Kalispell

Recent searches for flights from Ontario to Kalispell

Aug 2026
From$476*
Updated: 2 hours ago
Round tripIEconomy
Sep 2026
From$367*
Updated: 2 hours ago
Round tripIEconomy
Oct 2026
From$588*
Updated: 2 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $476
cmp-daily-histogram-bars-legend-max-price-aria-label $2.0K
Displaying fares for August-2026
  • ONT–FCA: cmp-view-offers-disclaimer. Find Offers
    01

    Sa

    AUG

  • ONT–FCA, 08/02/26 – 08/09/26: From $2,047
    02

    Su

  • ONT–FCA, 08/03/26 – 08/10/26: From $1,573
    03

    Mo

  • ONT–FCA, 08/04/26 – 08/11/26: From $868
    04

    Tu

  • ONT–FCA, 08/05/26 – 08/12/26: From $1,118
    05

    We

  • ONT–FCA, 08/06/26 – 08/13/26: From $1,237
    06

    Th

  • ONT–FCA, 08/07/26 – 08/14/26: From $890
    07

    Fr

  • ONT–FCA, 08/08/26 – 08/15/26: From $1,013
    08

    Sa

  • ONT–FCA, 08/09/26 – 08/16/26: From $986
    09

    Su

  • ONT–FCA, 08/10/26 – 08/17/26: From $1,104
    10

    Mo

  • ONT–FCA, 08/11/26 – 08/18/26: From $819
    11

    Tu

  • ONT–FCA, 08/12/26 – 08/19/26: From $810
    12

    We

  • ONT–FCA, 08/13/26 – 08/20/26: From $678
    13

    Th

  • ONT–FCA, 08/14/26 – 08/21/26: From $795
    14

    Fr

  • ONT–FCA, 08/15/26 – 08/22/26: From $959
    15

    Sa

  • ONT–FCA, 08/16/26 – 08/23/26: From $1,030
    16

    Su

  • ONT–FCA, 08/17/26 – 08/24/26: From $852
    17

    Mo

  • ONT–FCA, 08/18/26 – 08/25/26: From $775
    18

    Tu

  • ONT–FCA, 08/19/26 – 08/26/26: From $596
    19

    We

  • ONT–FCA, 08/20/26 – 08/27/26: From $757
    20

    Th

  • ONT–FCA, 08/21/26 – 08/28/26: From $620
    21

    Fr

  • ONT–FCA, 08/22/26 – 08/29/26: From $802
    22

    Sa

  • ONT–FCA, 08/23/26 – 08/30/26: From $906
    23

    Su

  • ONT–FCA, 08/24/26 – 08/31/26: From $784
    24

    Mo

  • ONT–FCA, 08/25/26 – 09/01/26: From $476
    25

    Tu

  • ONT–FCA, 08/26/26 – 09/02/26: From $621
    26

    We

  • ONT–FCA, 08/27/26 – 09/03/26: From $660
    27

    Th

  • ONT–FCA, 08/28/26 – 09/04/26: From $631
    28

    Fr

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

    Sa

  • ONT–FCA: cmp-view-offers-disclaimer. Find Offers
    30

    Su

  • ONT–FCA: cmp-view-offers-disclaimer. Find Offers
    31

    Mo

    • range$476-$2,047

    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 Kalispell flights

    $
    keyboard_arrow_down

    Ontario (ONT)to

    Kalispell (FCA)
    09/26/26 - 10/03/26

    Round trip

    Economy

    from
    $367Fare subject to changes
    Updated: 2 hours ago

    Ontario (ONT)to

    Kalispell (FCA)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $378Fare subject to changes
    Updated: 2 hours ago

    Ontario (ONT)to

    Kalispell (FCA)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $431Fare subject to changes
    Updated: 2 hours ago

    Ontario (ONT)to

    Kalispell (FCA)
    08/25/26 - 09/01/26

    Round trip

    Economy

    from
    $476Fare subject to changes
    Updated: 2 hours ago

    Ontario (ONT)to

    Kalispell (FCA)
    09/24/26 - 10/01/26

    Round trip

    Economy

    from
    $523Fare subject to changes
    Updated: 2 hours ago

    Ontario (ONT)to

    Kalispell (FCA)
    09/25/26 - 10/02/26

    Round trip

    Economy

    from
    $534Fare subject to changes
    Updated: 2 hours ago

    Ontario (ONT)to

    Kalispell (FCA)
    09/17/26 - 09/24/26

    Round trip

    Economy

    from
    $560Fare subject to changes
    Updated: 2 hours ago

    Ontario (ONT)to

    Kalispell (FCA)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $588Fare subject to changes
    Updated: 2 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 Kalispell

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