American Airlines flights from Saint Louis to Toronto

Recent searches for flights from Saint Louis to Toronto

Aug 2026
From$862*
Updated: 5 hours ago
Round tripIEconomy
Sep 2026
From$366*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$477*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $366
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for August-2026
  • STL–YYZ: cmp-view-offers-disclaimer. Find Offers
    23

    Su

    AUG

  • STL–YYZ, 08/24/26 – 08/31/26: From $1,046
    24

    Mo

  • STL–YYZ, 08/25/26 – 09/01/26: From $905
    25

    Tu

  • STL–YYZ, 08/26/26 – 09/02/26: From $862
    26

    We

  • STL–YYZ, 08/27/26 – 09/03/26: From $1,045
    27

    Th

  • STL–YYZ, 08/28/26 – 09/04/26: From $1,001
    28

    Fr

  • STL–YYZ, 08/29/26 – 09/05/26: From $884
    29

    Sa

  • STL–YYZ, 08/30/26 – 09/06/26: From $1,019
    30

    Su

  • STL–YYZ, 08/31/26 – 09/07/26: From $1,087
    31

    Mo

  • STL–YYZ, 09/01/26 – 09/08/26: From $865
    01

    Tu

    SEP

  • STL–YYZ, 09/02/26 – 09/09/26: From $862
    02

    We

  • STL–YYZ, 09/03/26 – 09/10/26: From $958
    03

    Th

  • STL–YYZ, 09/04/26 – 09/11/26: From $1,068
    04

    Fr

  • STL–YYZ, 09/05/26 – 09/12/26: From $754
    05

    Sa

  • STL–YYZ, 09/06/26 – 09/13/26: From $826
    06

    Su

  • STL–YYZ, 09/07/26 – 09/14/26: From $631
    07

    Mo

  • STL–YYZ, 09/08/26 – 09/15/26: From $584
    08

    Tu

  • STL–YYZ, 09/09/26 – 09/16/26: From $578
    09

    We

  • STL–YYZ, 09/10/26 – 09/17/26: From $600
    10

    Th

  • STL–YYZ, 09/11/26 – 09/18/26: From $616
    11

    Fr

  • STL–YYZ, 09/12/26 – 09/19/26: From $578
    12

    Sa

  • STL–YYZ, 09/13/26 – 09/20/26: From $755
    13

    Su

  • STL–YYZ, 09/14/26 – 09/21/26: From $366
    14

    Mo

  • STL–YYZ, 09/15/26 – 09/22/26: From $366
    15

    Tu

  • STL–YYZ, 09/16/26 – 09/23/26: From $366
    16

    We

  • STL–YYZ, 09/17/26 – 09/24/26: From $366
    17

    Th

  • STL–YYZ, 09/18/26 – 09/25/26: From $400
    18

    Fr

  • STL–YYZ, 09/19/26 – 09/26/26: From $366
    19

    Sa

  • STL–YYZ, 09/20/26 – 09/27/26: From $755
    20

    Su

  • STL–YYZ, 09/21/26 – 09/28/26: From $366
    21

    Mo

  • STL–YYZ, 09/22/26 – 09/29/26: From $366
    22

    Tu

    • range$366-$1,087

    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 Toronto flights

    $
    keyboard_arrow_down

    Saint Louis (STL)to

    Toronto (YYZ)
    09/14/26 - 09/21/26

    Round trip

    Economy

    from
    $366Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Toronto (YYZ)
    09/17/26 - 09/24/26

    Round trip

    Economy

    from
    $366Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Toronto (YYZ)
    09/15/26 - 09/22/26

    Round trip

    Economy

    from
    $366Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Toronto (YYZ)
    09/16/26 - 09/23/26

    Round trip

    Economy

    from
    $366Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Toronto (YYZ)
    09/19/26 - 09/26/26

    Round trip

    Economy

    from
    $366Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Toronto (YYZ)
    09/21/26 - 09/28/26

    Round trip

    Economy

    from
    $366Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Toronto (YYZ)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $366Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Toronto (YYZ)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $366Fare subject to changes
    Updated: 5 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 Toronto

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