American Airlines flights from Chicago to Allentown

Recent searches for flights from Chicago to Allentown

Aug 2026
From$353*
Updated: 4 hours ago
Round tripIEconomy
Sep 2026
From$278*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$278*
Updated: 4 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $278
cmp-daily-histogram-bars-legend-max-price-aria-label $429
Displaying fares for August-2026
  • ORD–ABE, 08/23/26 – 08/30/26: From $429
    23

    Su

    AUG

  • ORD–ABE, 08/24/26 – 08/31/26: From $429
    24

    Mo

  • ORD–ABE, 08/25/26 – 09/01/26: From $360
    25

    Tu

  • ORD–ABE, 08/26/26 – 09/02/26: From $360
    26

    We

  • ORD–ABE, 08/27/26 – 09/03/26: From $429
    27

    Th

  • ORD–ABE, 08/28/26 – 09/04/26: From $429
    28

    Fr

  • ORD–ABE, 08/29/26 – 09/05/26: From $360
    29

    Sa

  • ORD–ABE, 08/30/26 – 09/06/26: From $353
    30

    Su

  • ORD–ABE, 08/31/26 – 09/07/26: From $353
    31

    Mo

  • ORD–ABE, 09/01/26 – 09/08/26: From $339
    01

    Tu

    SEP

  • ORD–ABE, 09/02/26 – 09/09/26: From $339
    02

    We

  • ORD–ABE, 09/03/26 – 09/10/26: From $353
    03

    Th

  • ORD–ABE, 09/04/26 – 09/11/26: From $353
    04

    Fr

  • ORD–ABE, 09/05/26 – 09/12/26: From $307
    05

    Sa

  • ORD–ABE, 09/06/26 – 09/13/26: From $287
    06

    Su

  • ORD–ABE, 09/07/26 – 09/14/26: From $298
    07

    Mo

  • ORD–ABE, 09/08/26 – 09/15/26: From $298
    08

    Tu

  • ORD–ABE, 09/09/26 – 09/16/26: From $287
    09

    We

  • ORD–ABE, 09/10/26 – 09/17/26: From $287
    10

    Th

  • ORD–ABE, 09/11/26 – 09/18/26: From $287
    11

    Fr

  • ORD–ABE, 09/12/26 – 09/19/26: From $287
    12

    Sa

  • ORD–ABE, 09/13/26 – 09/20/26: From $278
    13

    Su

  • ORD–ABE, 09/14/26 – 09/21/26: From $278
    14

    Mo

  • ORD–ABE, 09/15/26 – 09/22/26: From $278
    15

    Tu

  • ORD–ABE, 09/16/26 – 09/23/26: From $278
    16

    We

  • ORD–ABE, 09/17/26 – 09/24/26: From $278
    17

    Th

  • ORD–ABE, 09/18/26 – 09/25/26: From $278
    18

    Fr

  • ORD–ABE, 09/19/26 – 09/26/26: From $278
    19

    Sa

  • ORD–ABE: cmp-view-offers-disclaimer. Find Offers
    20

    Su

  • ORD–ABE: cmp-view-offers-disclaimer. Find Offers
    21

    Mo

  • ORD–ABE, 09/22/26 – 09/29/26: From $278
    22

    Tu

    • range$278-$429

    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 Chicago to Allentown flights

    $
    keyboard_arrow_down

    Chicago (ORD)to

    Allentown (ABE)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $278Fare subject to changes
    Updated: 23 hours ago

    Chicago (ORD)to

    Allentown (ABE)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $278Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

    Allentown (ABE)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $278Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

    Allentown (ABE)
    10/16/26 - 10/23/26

    Round trip

    Economy

    from
    $278Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

    Allentown (ABE)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $278Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

    Allentown (ABE)
    09/13/26 - 09/20/26

    Round trip

    Economy

    from
    $278Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

    Allentown (ABE)
    09/16/26 - 09/23/26

    Round trip

    Economy

    from
    $278Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $278Fare 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 Chicago to Allentown

    Looking for lower fares on your trip from Chicago 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 Chicago to Allentown