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

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

Sep 2026
From$314*
Updated: 11 hours ago
Round tripIEconomy
Oct 2026
From$245*
Updated: 1 hour ago
Round tripIEconomy
Nov 2026
From$245*
Updated: 1 hour ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $245
cmp-daily-histogram-bars-legend-max-price-aria-label $694
Displaying fares for September-2026
  • PWM–IAD, 09/14/26 – 09/27/26: From $450
    14

    Mo

    SEP

  • PWM–DCA, 09/15/26 – 09/22/26: From $412
    15

    Tu

  • PWM–DCA, 09/16/26 – 09/23/26: From $435
    16

    We

  • PWM–DCA, 09/17/26 – 09/20/26: From $517
    17

    Th

  • PWM–DCA, 09/18/26 – 09/19/26: From $446
    18

    Fr

  • PWM–DCA, 09/19/26 – 09/26/26: From $412
    19

    Sa

  • PWM–WAS, 09/20/26 – 09/27/26: From $503
    20

    Su

  • PWM–WAS, 09/21/26 – 09/28/26: From $566
    21

    Mo

  • PWM–WAS, 09/22/26 – 09/29/26: From $392
    22

    Tu

  • PWM–DCA, 09/23/26 – 09/30/26: From $359
    23

    We

  • PWM–DCA, 09/24/26 – 09/28/26: From $359
    24

    Th

  • PWM–WAS, 09/25/26 – 10/02/26: From $359
    25

    Fr

  • PWM–DCA, 09/26/26 – 10/03/26: From $359
    26

    Sa

  • PWM–DCA, 09/27/26 – 10/04/26: From $450
    27

    Su

  • PWM–DCA, 09/28/26 – 10/05/26: From $384
    28

    Mo

  • PWM–WAS, 09/29/26 – 10/06/26: From $314
    29

    Tu

  • PWM–DCA, 09/30/26 – 10/07/26: From $314
    30

    We

  • PWM–WAS, 10/01/26 – 10/08/26: From $430
    01

    Th

    OCT

  • PWM–WAS, 10/02/26 – 10/09/26: From $381
    02

    Fr

  • PWM–WAS, 10/03/26 – 10/10/26: From $314
    03

    Sa

  • PWM–DCA, 10/04/26 – 10/11/26: From $374
    04

    Su

  • PWM–DCA, 10/05/26 – 10/12/26: From $357
    05

    Mo

  • PWM–DCA, 10/06/26 – 10/13/26: From $272
    06

    Tu

  • PWM–DCA, 10/07/26 – 10/14/26: From $245
    07

    We

  • PWM–DCA, 10/08/26 – 10/15/26: From $281
    08

    Th

  • PWM–WAS, 10/09/26 – 10/16/26: From $366
    09

    Fr

  • PWM–DCA, 10/10/26 – 10/17/26: From $272
    10

    Sa

  • PWM–DCA, 10/11/26 – 10/18/26: From $415
    11

    Su

  • PWM–DCA, 10/12/26 – 10/14/26: From $694
    12

    Mo

  • PWM–DCA, 10/13/26 – 10/14/26: From $651
    13

    Tu

    • range$245-$694

    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, ME to Washington, D.C. flights

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    Portland, ME (PWM)to

    Washington, D.C. (WAS)
    10/14/26 - 10/19/26

    Round trip

    Economy

    from
    $263Fare subject to changes
    Updated: 4 hours ago

    Portland, ME (PWM)to

    Washington, D.C. (WAS)
    10/15/26 - 10/19/26

    Round trip

    Economy

    from
    $281Fare subject to changes
    Updated: 4 hours ago

    Portland, ME (PWM)to

    Washington, D.C. (WAS)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $299Fare subject to changes
    Updated: 11 hours ago

    Portland, ME (PWM)to

    Washington, D.C. (WAS)
    10/15/26 - 10/22/26

    Round trip

    Economy

    from
    $299Fare subject to changes
    Updated: 11 hours ago

    Portland, ME (PWM)to

    Washington, D.C. (WAS)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $299Fare subject to changes
    Updated: 11 hours ago

    Portland, ME (PWM)to

    Washington, D.C. (WAS)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $299Fare subject to changes
    Updated: 11 hours ago

    Portland, ME (PWM)to

    Washington, D.C. (WAS)
    12/03/26 - 12/10/26

    Round trip

    Economy

    from
    $299Fare subject to changes
    Updated: 11 hours ago

    Portland, ME (PWM)to

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

    Round trip

    Economy

    from
    $299Fare 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, ME to Washington, D.C.

    Looking for lower fares on your trip from Portland, ME 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

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    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
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    American Airlines flights from Portland, ME to Washington, D.C.