American Airlines flights from Allentown to Seattle

Recent searches for flights from Allentown to Seattle

Sep 2026
From$403*
Updated: 8 hours ago
Round tripIEconomy
Oct 2026
From$379*
Updated: 8 hours ago
Round tripIEconomy
Nov 2026
From$379*
Updated: 8 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $403
cmp-daily-histogram-bars-legend-max-price-aria-label $560
Displaying fares for September-2026
  • ABE–SEA, 09/01/26 – 09/08/26: From $435
    01

    Tu

    SEP

  • ABE–SEA, 09/02/26 – 09/09/26: From $435
    02

    We

  • ABE–SEA, 09/03/26 – 09/10/26: From $560
    03

    Th

  • ABE–SEA, 09/04/26 – 09/11/26: From $560
    04

    Fr

  • ABE–SEA, 09/05/26 – 09/12/26: From $435
    05

    Sa

  • ABE–SEA, 09/06/26 – 09/13/26: From $560
    06

    Su

  • ABE–SEA, 09/07/26 – 09/14/26: From $560
    07

    Mo

  • ABE–SEA, 09/08/26 – 09/15/26: From $435
    08

    Tu

  • ABE–SEA, 09/09/26 – 09/16/26: From $407
    09

    We

  • ABE–SEA, 09/10/26 – 09/17/26: From $470
    10

    Th

  • ABE–SEA, 09/11/26 – 09/18/26: From $470
    11

    Fr

  • ABE–SEA, 09/12/26 – 09/19/26: From $407
    12

    Sa

  • ABE–SEA, 09/13/26 – 09/20/26: From $560
    13

    Su

  • ABE–SEA, 09/14/26 – 09/21/26: From $494
    14

    Mo

  • ABE–SEA, 09/15/26 – 09/22/26: From $431
    15

    Tu

  • ABE–SEA, 09/16/26 – 09/23/26: From $431
    16

    We

  • ABE–SEA, 09/17/26 – 09/24/26: From $494
    17

    Th

  • ABE–SEA, 09/18/26 – 09/25/26: From $494
    18

    Fr

  • ABE–SEA, 09/19/26 – 09/26/26: From $431
    19

    Sa

  • ABE–SEA, 09/20/26 – 09/27/26: From $494
    20

    Su

  • ABE–SEA, 09/21/26 – 09/28/26: From $427
    21

    Mo

  • ABE–SEA, 09/22/26 – 09/29/26: From $427
    22

    Tu

  • ABE–SEA, 09/23/26 – 09/30/26: From $403
    23

    We

  • ABE–SEA, 09/24/26 – 10/01/26: From $403
    24

    Th

  • ABE–SEA, 09/25/26 – 10/02/26: From $403
    25

    Fr

  • ABE–SEA, 09/26/26 – 10/03/26: From $403
    26

    Sa

  • ABE–SEA, 09/27/26 – 10/04/26: From $403
    27

    Su

  • ABE–SEA: cmp-view-offers-disclaimer. Find Offers
    28

    Mo

  • ABE–SEA: cmp-view-offers-disclaimer. Find Offers
    29

    Tu

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

    We

    • range$403-$560

    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.

    Landline bus from ABE to PHL

    Find deals on Allentown to Seattle flights

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    Allentown (ABE)to

    Seattle (SEA)
    10/04/26 - 10/11/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 8 hours ago

    Allentown (ABE)to

    Seattle (SEA)
    10/10/26 - 10/17/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 8 hours ago

    Allentown (ABE)to

    Seattle (SEA)
    10/12/26 - 10/19/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 8 hours ago

    Allentown (ABE)to

    Seattle (SEA)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 8 hours ago

    Allentown (ABE)to

    Seattle (SEA)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 8 hours ago

    Allentown (ABE)to

    Seattle (SEA)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 8 hours ago

    Allentown (ABE)to

    Seattle (SEA)
    10/25/26 - 11/01/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 8 hours ago

    Allentown (ABE)to

    Seattle (SEA)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 8 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 Allentown to Seattle

    Looking for lower fares on your trip from Allentown to Seattle? 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.

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    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 Allentown to Seattle