American Airlines flights from Portland, OR to Washington, D.C.

Recent searches for flights from Portland, OR to Washington, D.C.

Aug 2026
From$225*
Updated: 11 hours ago
Round tripIEconomy
Sep 2026
From$187*
Updated: 11 hours ago
Round tripIEconomy
Oct 2026
From$187*
Updated: 11 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $225
cmp-daily-histogram-bars-legend-max-price-aria-label $978
Displaying fares for August-2026
  • PDX–WAS, 08/01/26 – 08/08/26: From $624
    01

    Sa

    AUG

  • PDX–WAS, 08/02/26 – 08/09/26: From $722
    02

    Su

  • PDX–WAS, 08/03/26 – 08/10/26: From $624
    03

    Mo

  • PDX–WAS, 08/04/26 – 08/11/26: From $451
    04

    Tu

  • PDX–WAS, 08/05/26 – 08/12/26: From $664
    05

    We

  • PDX–WAS, 08/06/26 – 08/13/26: From $722
    06

    Th

  • PDX–WAS, 08/07/26 – 08/14/26: From $643
    07

    Fr

  • PDX–WAS, 08/08/26 – 08/15/26: From $821
    08

    Sa

  • PDX–IAD, 08/09/26 – 08/16/26: From $978
    09

    Su

  • PDX–WAS, 08/10/26 – 08/17/26: From $664
    10

    Mo

  • PDX–WAS, 08/11/26 – 08/18/26: From $617
    11

    Tu

  • PDX–WAS, 08/12/26 – 08/19/26: From $617
    12

    We

  • PDX–WAS, 08/13/26 – 08/20/26: From $554
    13

    Th

  • PDX–WAS, 08/14/26 – 08/21/26: From $521
    14

    Fr

  • PDX–WAS, 08/15/26 – 08/22/26: From $504
    15

    Sa

  • PDX–WAS, 08/16/26 – 08/23/26: From $521
    16

    Su

  • PDX–WAS, 08/17/26 – 08/24/26: From $451
    17

    Mo

  • PDX–WAS, 08/18/26 – 08/25/26: From $459
    18

    Tu

  • PDX–WAS, 08/19/26 – 08/26/26: From $450
    19

    We

  • PDX–WAS, 08/20/26 – 08/27/26: From $467
    20

    Th

  • PDX–WAS, 08/21/26 – 08/28/26: From $387
    21

    Fr

  • PDX–WAS, 08/22/26 – 08/29/26: From $325
    22

    Sa

  • PDX–WAS, 08/23/26 – 08/30/26: From $367
    23

    Su

  • PDX–WAS, 08/24/26 – 08/31/26: From $287
    24

    Mo

  • PDX–WAS, 08/25/26 – 09/01/26: From $225
    25

    Tu

  • PDX–WAS, 08/26/26 – 09/02/26: From $345
    26

    We

  • PDX–DCA, 08/27/26 – 09/03/26: From $474
    27

    Th

  • PDX–WAS: cmp-view-offers-disclaimer. Find Offers
    28

    Fr

  • PDX–WAS: cmp-view-offers-disclaimer. Find Offers
    29

    Sa

  • PDX–WAS: cmp-view-offers-disclaimer. Find Offers
    30

    Su

  • PDX–WAS, 08/31/26 – 09/07/26: From $287
    31

    Mo

    • range$225-$978

    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 Portland, OR to Washington, D.C. flights

    $
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    Portland, OR (PDX)to

    Washington, D.C. (WAS)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $187Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Washington, D.C. (WAS)
    09/09/26 - 09/16/26

    Round trip

    Economy

    from
    $187Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Washington, D.C. (WAS)
    09/05/26 - 09/12/26

    Round trip

    Economy

    from
    $187Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Washington, D.C. (WAS)
    09/08/26 - 09/15/26

    Round trip

    Economy

    from
    $187Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Washington, D.C. (WAS)
    09/12/26 - 09/19/26

    Round trip

    Economy

    from
    $187Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Washington, D.C. (WAS)
    09/15/26 - 09/22/26

    Round trip

    Economy

    from
    $187Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Washington, D.C. (WAS)
    09/16/26 - 09/23/26

    Round trip

    Economy

    from
    $187Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Washington, D.C. (WAS)
    09/19/26 - 09/26/26

    Round trip

    Economy

    from
    $187Fare subject to changes
    Updated: 11 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 Portland, OR to Washington, D.C.

    Looking for lower fares on your trip from Portland, OR to Washington, D.C.? 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 Portland, OR to Washington, D.C.