American Airlines flights from Washington, D.C. to Seattle

Recent searches for flights from Washington, D.C. to Seattle

Sep 2026
From$436*
Updated: 56 minutes ago
Round tripIEconomy
Oct 2026
From$197*
Updated: 47 minutes ago
Round tripIEconomy
Nov 2026
From$197*
Updated: 1 hour ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $197
cmp-daily-histogram-bars-legend-max-price-aria-label $768
Displaying fares for September-2026
  • WAS–SEA, 09/16/26 – 09/23/26: From $457
    16

    We

    SEP

  • WAS–SEA, 09/17/26 – 09/19/26: From $670
    17

    Th

  • WAS–SEA, 09/18/26 – 09/25/26: From $768
    18

    Fr

  • WAS–SEA, 09/19/26 – 09/26/26: From $607
    19

    Sa

  • WAS–SEA, 09/20/26 – 09/27/26: From $653
    20

    Su

  • WAS–SEA, 09/21/26 – 09/28/26: From $610
    21

    Mo

  • WAS–SEA, 09/22/26 – 09/29/26: From $457
    22

    Tu

  • WAS–SEA, 09/23/26 – 09/30/26: From $457
    23

    We

  • WAS–SEA, 09/24/26 – 10/01/26: From $457
    24

    Th

  • WAS–SEA, 09/25/26 – 10/02/26: From $457
    25

    Fr

  • WAS–SEA, 09/26/26 – 10/03/26: From $457
    26

    Sa

  • WAS–SEA, 09/27/26 – 10/04/26: From $457
    27

    Su

  • WAS–SEA, 09/28/26 – 10/05/26: From $457
    28

    Mo

  • WAS–SEA, 09/29/26 – 10/06/26: From $436
    29

    Tu

  • WAS–SEA, 09/30/26 – 10/07/26: From $457
    30

    We

  • IAD–SEA, 10/01/26 – 10/17/26: From $599
    01

    Th

    OCT

  • WAS–SEA, 10/02/26 – 10/09/26: From $502
    02

    Fr

  • IAD–SEA, 10/03/26 – 10/10/26: From $432
    03

    Sa

  • WAS–SEA, 10/04/26 – 10/11/26: From $547
    04

    Su

  • WAS–SEA, 10/05/26 – 10/12/26: From $267
    05

    Mo

  • DCA–SEA, 10/06/26 – 10/12/26: From $197
    06

    Tu

  • WAS–SEA, 10/07/26 – 10/14/26: From $197
    07

    We

  • DCA–SEA, 10/08/26 – 10/12/26: From $197
    08

    Th

  • WAS–SEA, 10/09/26 – 10/12/26: From $277
    09

    Fr

  • DCA–SEA, 10/10/26 – 10/17/26: From $197
    10

    Sa

  • WAS–SEA, 10/11/26 – 10/18/26: From $252
    11

    Su

  • DCA–SEA, 10/12/26 – 10/19/26: From $332
    12

    Mo

  • DCA–SEA, 10/13/26 – 10/20/26: From $197
    13

    Tu

  • WAS–SEA: cmp-view-offers-disclaimer. Find Offers
    14

    We

  • IAD–SEA, 10/15/26 – 10/22/26: From $197
    15

    Th

    • range$197-$768

    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 Washington, D.C. to Seattle flights

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    Washington, D.C. (WAS)to

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

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 56 minutes ago

    Washington, D.C. (WAS)to

    Seattle (SEA)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 56 minutes ago

    Washington, D.C. (WAS)to

    Seattle (SEA)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 56 minutes ago

    Washington, D.C. (WAS)to

    Seattle (SEA)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 56 minutes ago

    Washington, D.C. (WAS)to

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

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 56 minutes ago

    Washington, D.C. (WAS)to

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

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 56 minutes ago

    Washington, D.C. (WAS)to

    Seattle (SEA)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 56 minutes ago

    Washington, D.C. (WAS)to

    Seattle (SEA)
    12/05/26 - 12/12/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 56 minutes 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.

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