American Airlines flights from Saint Louis to Allentown

Recent searches for flights from Saint Louis to Allentown

Sep 2026
From$276*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$276*
Updated: 4 hours ago
Round tripIEconomy
Nov 2026
From$276*
Updated: 4 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $276
cmp-daily-histogram-bars-legend-max-price-aria-label $655
Displaying fares for September-2026
  • STL–ABE, 09/02/26 – 09/16/26: From $585
    02

    We

    SEP

  • STL–ABE, 09/03/26 – 09/10/26: From $655
    03

    Th

  • STL–ABE, 09/04/26 – 09/11/26: From $655
    04

    Fr

  • STL–ABE, 09/05/26 – 09/12/26: From $585
    05

    Sa

  • STL–ABE, 09/06/26 – 09/13/26: From $655
    06

    Su

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

    Mo

  • STL–ABE, 09/08/26 – 09/15/26: From $585
    08

    Tu

  • STL–ABE, 09/09/26 – 09/16/26: From $561
    09

    We

  • STL–ABE, 09/10/26 – 09/17/26: From $578
    10

    Th

  • STL–ABE, 09/11/26 – 09/18/26: From $578
    11

    Fr

  • STL–ABE, 09/12/26 – 09/19/26: From $561
    12

    Sa

  • STL–ABE, 09/13/26 – 09/20/26: From $637
    13

    Su

  • STL–ABE, 09/14/26 – 09/21/26: From $637
    14

    Mo

  • STL–ABE, 09/15/26 – 09/22/26: From $585
    15

    Tu

  • STL–ABE, 09/16/26 – 09/23/26: From $470
    16

    We

  • STL–ABE, 09/17/26 – 09/24/26: From $487
    17

    Th

  • STL–ABE, 09/18/26 – 09/25/26: From $503
    18

    Fr

  • STL–ABE, 09/19/26 – 09/26/26: From $470
    19

    Sa

  • STL–ABE, 09/20/26 – 09/27/26: From $583
    20

    Su

  • STL–ABE, 09/21/26 – 09/26/26: From $487
    21

    Mo

  • STL–ABE, 09/22/26 – 09/29/26: From $470
    22

    Tu

  • STL–ABE, 09/23/26 – 09/30/26: From $276
    23

    We

  • STL–ABE, 09/24/26 – 10/01/26: From $341
    24

    Th

  • STL–ABE, 09/25/26 – 10/02/26: From $308
    25

    Fr

  • STL–ABE, 09/26/26 – 10/03/26: From $276
    26

    Sa

  • STL–ABE, 09/27/26 – 10/04/26: From $507
    27

    Su

  • STL–ABE, 09/28/26 – 10/05/26: From $287
    28

    Mo

  • STL–ABE, 09/29/26 – 10/06/26: From $276
    29

    Tu

  • STL–ABE: cmp-view-offers-disclaimer. Find Offers
    30

    We

  • STL–ABE, 10/01/26 – 10/04/26: From $404
    01

    Th

    OCT

    • range$276-$655

    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 Allentown flights

    $
    keyboard_arrow_down

    Saint Louis (STL)to

    Allentown (ABE)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $276Fare subject to changes
    Updated: 4 hours ago

    Saint Louis (STL)to

    Allentown (ABE)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $276Fare subject to changes
    Updated: 4 hours ago

    Saint Louis (STL)to

    Allentown (ABE)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $276Fare subject to changes
    Updated: 4 hours ago

    Saint Louis (STL)to

    Allentown (ABE)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $276Fare subject to changes
    Updated: 4 hours ago

    Saint Louis (STL)to

    Allentown (ABE)
    09/26/26 - 10/03/26

    Round trip

    Economy

    from
    $276Fare subject to changes
    Updated: 4 hours ago

    Saint Louis (STL)to

    Allentown (ABE)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $276Fare subject to changes
    Updated: 4 hours ago

    Saint Louis (STL)to

    Allentown (ABE)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $276Fare subject to changes
    Updated: 4 hours ago

    Saint Louis (STL)to

    Allentown (ABE)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $276Fare 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 Saint Louis to Allentown

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