American Airlines flights from Kalispell to San Diego

Recent searches for flights from Kalispell to San Diego

Aug 2026
From$591*
Updated: 4 hours ago
Round tripIEconomy
Sep 2026
From$533*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$533*
Updated: 4 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $591
cmp-daily-histogram-bars-legend-max-price-aria-label $984
Displaying fares for August-2026
  • FCA–SAN, 08/11/26 – 08/18/26: From $775
    11

    Tu

    AUG

  • FCA–SAN, 08/12/26 – 08/19/26: From $803
    12

    We

  • FCA–SAN, 08/13/26 – 08/20/26: From $826
    13

    Th

  • FCA–SAN, 08/14/26 – 08/21/26: From $633
    14

    Fr

  • FCA–SAN, 08/15/26 – 08/22/26: From $984
    15

    Sa

  • FCA–SAN, 08/16/26 – 08/23/26: From $897
    16

    Su

  • FCA–SAN, 08/17/26 – 08/24/26: From $895
    17

    Mo

  • FCA–SAN, 08/18/26 – 08/25/26: From $825
    18

    Tu

  • FCA–SAN, 08/19/26 – 08/26/26: From $924
    19

    We

  • FCA–SAN, 08/20/26 – 08/27/26: From $818
    20

    Th

  • FCA–SAN, 08/21/26 – 08/28/26: From $733
    21

    Fr

  • FCA–SAN, 08/22/26 – 08/29/26: From $903
    22

    Sa

  • FCA–SAN, 08/23/26 – 08/30/26: From $766
    23

    Su

  • FCA–SAN, 08/24/26 – 08/31/26: From $698
    24

    Mo

  • FCA–SAN, 08/25/26 – 09/01/26: From $698
    25

    Tu

  • FCA–SAN, 08/26/26 – 09/02/26: From $700
    26

    We

  • FCA–SAN, 08/27/26 – 09/03/26: From $863
    27

    Th

  • FCA–SAN, 08/28/26 – 09/04/26: From $591
    28

    Fr

  • FCA–SAN, 08/29/26 – 09/05/26: From $713
    29

    Sa

  • FCA–SAN, 08/30/26 – 09/06/26: From $633
    30

    Su

  • FCA–SAN, 08/31/26 – 09/07/26: From $681
    31

    Mo

  • FCA–SAN, 09/01/26 – 09/08/26: From $956
    01

    Tu

    SEP

  • FCA–SAN, 09/02/26 – 09/09/26: From $906
    02

    We

  • FCA–SAN, 09/03/26 – 09/10/26: From $649
    03

    Th

  • FCA–SAN, 09/04/26 – 09/11/26: From $845
    04

    Fr

  • FCA–SAN, 09/05/26 – 09/12/26: From $660
    05

    Sa

  • FCA–SAN, 09/06/26 – 09/13/26: From $932
    06

    Su

  • FCA–SAN: cmp-view-offers-disclaimer. Find Offers
    07

    Mo

  • FCA–SAN: cmp-view-offers-disclaimer. Find Offers
    08

    Tu

  • FCA–SAN: cmp-view-offers-disclaimer. Find Offers
    09

    We

  • FCA–SAN, 09/10/26 – 09/17/26: From $648
    10

    Th

    • range$591-$984

    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 Diego flights

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    Kalispell (FCA)to

    San Diego (SAN)
    09/25/26 - 10/02/26

    Round trip

    Economy

    from
    $533Fare subject to changes
    Updated: 4 hours ago

    Kalispell (FCA)to

    San Diego (SAN)
    09/18/26 - 09/25/26

    Round trip

    Economy

    from
    $533Fare subject to changes
    Updated: 4 hours ago

    Kalispell (FCA)to

    San Diego (SAN)
    10/02/26 - 10/09/26

    Round trip

    Economy

    from
    $533Fare subject to changes
    Updated: 4 hours ago

    Kalispell (FCA)to

    San Diego (SAN)
    10/03/26 - 10/10/26

    Round trip

    Economy

    from
    $534Fare subject to changes
    Updated: 4 hours ago

    Kalispell (FCA)to

    San Diego (SAN)
    09/26/26 - 10/03/26

    Round trip

    Economy

    from
    $553Fare subject to changes
    Updated: 4 hours ago

    Kalispell (FCA)to

    San Diego (SAN)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $571Fare subject to changes
    Updated: 4 hours ago

    Kalispell (FCA)to

    San Diego (SAN)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $571Fare subject to changes
    Updated: 4 hours ago

    Kalispell (FCA)to

    San Diego (SAN)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $571Fare subject to changes
    Updated: 4 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 San Diego

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