American Airlines flights from Saint Louis to Calgary

Recent searches for flights from Saint Louis to Calgary

Aug 2026
From$587*
Updated: 6 hours ago
Round tripIEconomy
Sep 2026
From$526*
Updated: 6 hours ago
Round tripIEconomy
Oct 2026
From$491*
Updated: 6 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $544
cmp-daily-histogram-bars-legend-max-price-aria-label $1.0K
Displaying fares for August-2026
  • STL–YYC, 08/14/26 – 08/21/26: From $1,003
    14

    Fr

    AUG

  • STL–YYC, 08/15/26 – 08/22/26: From $816
    15

    Sa

  • STL–YYC, 08/16/26 – 08/23/26: From $816
    16

    Su

  • STL–YYC, 08/17/26 – 08/24/26: From $816
    17

    Mo

  • STL–YYC, 08/18/26 – 08/25/26: From $765
    18

    Tu

  • STL–YYC, 08/19/26 – 08/22/26: From $653
    19

    We

  • STL–YYC, 08/20/26 – 08/27/26: From $834
    20

    Th

  • STL–YYC, 08/21/26 – 08/28/26: From $800
    21

    Fr

  • STL–YYC, 08/22/26 – 08/29/26: From $800
    22

    Sa

  • STL–YYC, 08/23/26 – 08/30/26: From $850
    23

    Su

  • STL–YYC, 08/24/26 – 08/31/26: From $767
    24

    Mo

  • STL–YYC, 08/25/26 – 09/01/26: From $698
    25

    Tu

  • STL–YYC, 08/26/26 – 09/02/26: From $742
    26

    We

  • STL–YYC, 08/27/26 – 09/03/26: From $638
    27

    Th

  • STL–YYC, 08/28/26 – 09/04/26: From $587
    28

    Fr

  • STL–YYC, 08/29/26 – 09/05/26: From $587
    29

    Sa

  • STL–YYC, 08/30/26 – 09/06/26: From $587
    30

    Su

  • STL–YYC, 08/31/26 – 09/07/26: From $605
    31

    Mo

  • STL–YYC, 09/01/26 – 09/08/26: From $667
    01

    Tu

    SEP

  • STL–YYC, 09/02/26 – 09/09/26: From $638
    02

    We

  • STL–YYC, 09/03/26 – 09/10/26: From $575
    03

    Th

  • STL–YYC, 09/04/26 – 09/11/26: From $792
    04

    Fr

  • STL–YYC, 09/05/26 – 09/12/26: From $596
    05

    Sa

  • STL–YYC, 09/06/26 – 09/13/26: From $657
    06

    Su

  • STL–YYC, 09/07/26 – 09/14/26: From $655
    07

    Mo

  • STL–YYC, 09/08/26 – 09/15/26: From $575
    08

    Tu

  • STL–YYC, 09/09/26 – 09/16/26: From $544
    09

    We

  • STL–YYC, 09/10/26 – 09/17/26: From $566
    10

    Th

  • STL–YYC, 09/11/26 – 09/18/26: From $556
    11

    Fr

  • STL–YYC, 09/12/26 – 09/19/26: From $626
    12

    Sa

  • STL–YYC, 09/13/26 – 09/20/26: From $630
    13

    Su

    • range$544-$1,003

    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 Saint Louis to Calgary flights

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    Saint Louis (STL)to

    Calgary (YYC)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $491Fare subject to changes
    Updated: 6 hours ago

    Saint Louis (STL)to

    Calgary (YYC)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $491Fare subject to changes
    Updated: 6 hours ago

    Saint Louis (STL)to

    Calgary (YYC)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $520Fare subject to changes
    Updated: 6 hours ago

    Saint Louis (STL)to

    Calgary (YYC)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $520Fare subject to changes
    Updated: 6 hours ago

    Saint Louis (STL)to

    Calgary (YYC)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $520Fare subject to changes
    Updated: 6 hours ago

    Saint Louis (STL)to

    Calgary (YYC)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $520Fare subject to changes
    Updated: 6 hours ago

    Saint Louis (STL)to

    Calgary (YYC)
    09/29/26 - 10/06/26

    Round trip

    Economy

    from
    $526Fare subject to changes
    Updated: 6 hours ago

    Saint Louis (STL)to

    Calgary (YYC)
    11/04/26 - 11/11/26

    Round trip

    Economy

    from
    $526Fare subject to changes
    Updated: 6 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 Saint Louis to Calgary

    Looking for lower fares on your trip from Saint Louis to Calgary? 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 Saint Louis to Calgary