American Airlines flights from Pittsburgh to Seattle

Recent searches for flights from Pittsburgh to Seattle

Aug 2026
From$267*
Updated: 4 hours ago
Round tripIEconomy
Sep 2026
From$267*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$267*
Updated: 4 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $267
cmp-daily-histogram-bars-legend-max-price-aria-label $709
Displaying fares for August-2026
  • PIT–SEA, 08/05/26 – 08/12/26: From $378
    05

    We

    AUG

  • PIT–SEA, 08/06/26 – 08/13/26: From $539
    06

    Th

  • PIT–SEA, 08/07/26 – 08/14/26: From $579
    07

    Fr

  • PIT–SEA, 08/08/26 – 08/15/26: From $709
    08

    Sa

  • PIT–SEA, 08/09/26 – 08/16/26: From $709
    09

    Su

  • PIT–SEA, 08/10/26 – 08/17/26: From $539
    10

    Mo

  • PIT–SEA, 08/11/26 – 08/18/26: From $484
    11

    Tu

  • PIT–SEA, 08/12/26 – 08/19/26: From $513
    12

    We

  • PIT–SEA, 08/13/26 – 08/20/26: From $403
    13

    Th

  • PIT–SEA, 08/14/26 – 08/21/26: From $297
    14

    Fr

  • PIT–SEA, 08/15/26 – 08/22/26: From $528
    15

    Sa

  • PIT–SEA, 08/16/26 – 08/23/26: From $462
    16

    Su

  • PIT–SEA, 08/17/26 – 08/24/26: From $458
    17

    Mo

  • PIT–SEA, 08/18/26 – 08/25/26: From $352
    18

    Tu

  • PIT–SEA, 08/19/26 – 08/26/26: From $432
    19

    We

  • PIT–SEA, 08/20/26 – 08/27/26: From $297
    20

    Th

  • PIT–SEA, 08/21/26 – 08/28/26: From $297
    21

    Fr

  • PIT–SEA, 08/22/26 – 08/29/26: From $371
    22

    Sa

  • PIT–SEA, 08/23/26 – 08/30/26: From $267
    23

    Su

  • PIT–SEA, 08/24/26 – 08/31/26: From $297
    24

    Mo

  • PIT–SEA, 08/25/26 – 09/01/26: From $267
    25

    Tu

  • PIT–SEA, 08/26/26 – 09/02/26: From $267
    26

    We

  • PIT–SEA, 08/27/26 – 09/03/26: From $316
    27

    Th

  • PIT–SEA, 08/28/26 – 09/04/26: From $267
    28

    Fr

  • PIT–SEA, 08/29/26 – 09/05/26: From $267
    29

    Sa

  • PIT–SEA, 08/30/26 – 09/06/26: From $267
    30

    Su

  • PIT–SEA, 08/31/26 – 09/07/26: From $460
    31

    Mo

  • PIT–SEA, 09/01/26 – 09/08/26: From $316
    01

    Tu

    SEP

  • PIT–SEA: cmp-view-offers-disclaimer. Find Offers
    02

    We

  • PIT–SEA: cmp-view-offers-disclaimer. Find Offers
    03

    Th

  • PIT–SEA, 09/04/26 – 09/11/26: From $372
    04

    Fr

    • range$267-$709

    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 Pittsburgh to Seattle flights

    $
    keyboard_arrow_down

    Pittsburgh (PIT)to

    Seattle (SEA)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 4 hours ago

    Pittsburgh (PIT)to

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

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 4 hours ago

    Pittsburgh (PIT)to

    Seattle (SEA)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 4 hours ago

    Pittsburgh (PIT)to

    Seattle (SEA)
    09/11/26 - 09/18/26

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 4 hours ago

    Pittsburgh (PIT)to

    Seattle (SEA)
    09/12/26 - 09/19/26

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 4 hours ago

    Pittsburgh (PIT)to

    Seattle (SEA)
    09/16/26 - 09/23/26

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 4 hours ago

    Pittsburgh (PIT)to

    Seattle (SEA)
    09/18/26 - 09/25/26

    Round trip

    Economy

    from
    $267Fare subject to changes
    Updated: 4 hours ago

    Pittsburgh (PIT)to

    Seattle (SEA)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $267Fare 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 Pittsburgh to Seattle

    Looking for lower fares on your trip from Pittsburgh 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.

    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 Pittsburgh to Seattle