American Airlines flights from Kalispell to San Antonio

Recent searches for flights from Kalispell to San Antonio

Aug 2026
From$519*
Updated: 1 hour ago
Round tripIEconomy
Sep 2026
From$359*
Updated: 1 hour ago
Round tripIEconomy
Oct 2026
From$542*
Updated: 1 hour ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $359
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for August-2026
  • FCA–SAT, 08/30/26 – 09/06/26: From $589
    30

    Su

    AUG

  • FCA–SAT, 08/31/26 – 09/07/26: From $519
    31

    Mo

  • FCA–SAT, 09/01/26 – 09/08/26: From $543
    01

    Tu

    SEP

  • FCA–SAT, 09/02/26 – 09/09/26: From $761
    02

    We

  • FCA–SAT, 09/03/26 – 09/10/26: From $519
    03

    Th

  • FCA–SAT, 09/04/26 – 09/11/26: From $643
    04

    Fr

  • FCA–SAT, 09/05/26 – 09/12/26: From $554
    05

    Sa

  • FCA–SAT, 09/06/26 – 09/13/26: From $643
    06

    Su

  • FCA–SAT, 09/07/26 – 09/14/26: From $799
    07

    Mo

  • FCA–SAT, 09/08/26 – 09/15/26: From $605
    08

    Tu

  • FCA–SAT, 09/09/26 – 09/16/26: From $609
    09

    We

  • FCA–SAT, 09/10/26 – 09/17/26: From $761
    10

    Th

  • FCA–SAT, 09/11/26 – 09/18/26: From $1,058
    11

    Fr

  • FCA–SAT, 09/12/26 – 09/19/26: From $985
    12

    Sa

  • FCA–SAT, 09/13/26 – 09/20/26: From $954
    13

    Su

  • FCA–SAT, 09/14/26 – 09/21/26: From $681
    14

    Mo

  • FCA–SAT, 09/15/26 – 09/22/26: From $518
    15

    Tu

  • FCA–SAT, 09/16/26 – 09/23/26: From $499
    16

    We

  • FCA–SAT, 09/17/26 – 09/24/26: From $798
    17

    Th

  • FCA–SAT, 09/18/26 – 09/25/26: From $690
    18

    Fr

  • FCA–SAT, 09/19/26 – 09/26/26: From $701
    19

    Sa

  • FCA–SAT, 09/20/26 – 09/27/26: From $954
    20

    Su

  • FCA–SAT, 09/21/26 – 09/28/26: From $862
    21

    Mo

  • FCA–SAT, 09/22/26 – 09/29/26: From $518
    22

    Tu

  • FCA–SAT, 09/23/26 – 09/30/26: From $359
    23

    We

  • FCA–SAT, 09/24/26 – 10/01/26: From $429
    24

    Th

  • FCA–SAT, 09/25/26 – 10/02/26: From $429
    25

    Fr

  • FCA–SAT, 09/26/26 – 10/03/26: From $509
    26

    Sa

  • FCA–SAT: cmp-view-offers-disclaimer. Find Offers
    27

    Su

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

    Mo

  • FCA–SAT, 09/29/26 – 10/06/26: From $818
    29

    Tu

    • range$359-$1,058

    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 San Antonio flights

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    Kalispell (FCA)to

    San Antonio (SAT)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 1 hour ago

    Kalispell (FCA)to

    San Antonio (SAT)
    09/24/26 - 10/01/26

    Round trip

    Economy

    from
    $429Fare subject to changes
    Updated: 1 hour ago

    Kalispell (FCA)to

    San Antonio (SAT)
    09/25/26 - 10/02/26

    Round trip

    Economy

    from
    $429Fare subject to changes
    Updated: 1 hour ago

    Kalispell (FCA)to

    San Antonio (SAT)
    09/16/26 - 09/23/26

    Round trip

    Economy

    from
    $499Fare subject to changes
    Updated: 1 hour ago

    Kalispell (FCA)to

    San Antonio (SAT)
    09/26/26 - 10/03/26

    Round trip

    Economy

    from
    $509Fare subject to changes
    Updated: 1 hour ago

    Kalispell (FCA)to

    San Antonio (SAT)
    09/15/26 - 09/22/26

    Round trip

    Economy

    from
    $518Fare subject to changes
    Updated: 1 hour ago

    Kalispell (FCA)to

    San Antonio (SAT)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $518Fare subject to changes
    Updated: 1 hour ago

    Kalispell (FCA)to

    San Antonio (SAT)
    09/03/26 - 09/10/26

    Round trip

    Economy

    from
    $519Fare 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.

    Finding cheap flights from Kalispell to San Antonio

    Looking for lower fares on your trip from Kalispell to San Antonio? 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 San Antonio