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

Explore fares from Seattle to Washington, D.C.

Sep 2026
From$457*
Updated: 18 hours ago
Round tripIEconomy
Oct 2026
From$397*
Updated: 45 minutes ago
Round tripIEconomy
Nov 2026
From$397*
Updated: 1 hour ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $417
cmp-daily-histogram-bars-legend-max-price-aria-label $736
Displaying fares for September-2026
  • SEA–WAS, 09/30/26 – 10/07/26: From $457
    30

    We

    SEP

  • SEA–WAS, 10/01/26 – 10/08/26: From $653
    01

    Th

  • SEA–WAS, 10/02/26 – 10/09/26: From $620
    02

    Fr

  • SEA–WAS, 10/03/26 – 10/10/26: From $561
    03

    Sa

  • SEA–WAS, 10/04/26 – 10/11/26: From $620
    04

    Su

  • SEA–WAS, 10/05/26 – 10/12/26: From $620
    05

    Mo

  • SEA–WAS, 10/06/26 – 10/13/26: From $561
    06

    Tu

  • SEA–WAS, 10/07/26 – 10/14/26: From $561
    07

    We

  • SEA–WAS, 10/08/26 – 10/15/26: From $653
    08

    Th

  • SEA–WAS, 10/09/26 – 10/16/26: From $653
    09

    Fr

  • SEA–WAS, 10/10/26 – 10/17/26: From $561
    10

    Sa

  • SEA–WAS, 10/11/26 – 10/18/26: From $653
    11

    Su

  • SEA–WAS, 10/12/26 – 10/19/26: From $736
    12

    Mo

  • SEA–WAS, 10/13/26 – 10/20/26: From $561
    13

    Tu

  • SEA–WAS, 10/14/26 – 10/21/26: From $499
    14

    We

  • SEA–WAS, 10/15/26 – 10/22/26: From $545
    15

    Th

  • SEA–WAS, 10/16/26 – 10/23/26: From $563
    16

    Fr

  • SEA–WAS, 10/17/26 – 10/24/26: From $499
    17

    Sa

  • SEA–WAS, 10/18/26 – 10/25/26: From $570
    18

    Su

  • SEA–WAS, 10/19/26 – 10/26/26: From $545
    19

    Mo

  • SEA–WAS, 10/20/26 – 10/27/26: From $499
    20

    Tu

  • SEA–WAS, 10/21/26 – 10/28/26: From $437
    21

    We

  • SEA–WAS, 10/22/26 – 10/29/26: From $437
    22

    Th

  • SEA–WAS, 10/23/26 – 10/30/26: From $435
    23

    Fr

  • SEA–WAS, 10/24/26 – 10/31/26: From $417
    24

    Sa

  • SEA–WAS, 10/25/26 – 11/01/26: From $442
    25

    Su

  • SEA–WAS, 10/26/26 – 11/02/26: From $417
    26

    Mo

  • SEA–WAS, 10/27/26 – 11/03/26: From $417
    27

    Tu

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

    We

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

    Th

    • range$417-$736

    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.

    Your trip to Washington, D.C.

    American Airlines offers flights from Seattle to Washington, D.C.. Browse available flight options and fares between Seattle/Tacoma International Airport (SEA) and Washington (All Airports) (WAS) for business trips, family visits and short getaways.

    American Airlines aircraft.

    Fare options from Seattle to Washington, D.C.

    Compare fares and schedules and choose the option that fits your trip to Washington, D.C. (WAS). Prices and availability may change based on travel dates and demand.

    $
    keyboard_arrow_down

    Seattle (SEA)to

    Washington, D.C. (DCA)
    11/19/26 - 11/26/26

    Round trip

    Economy

    from
    $397Fare subject to changes
    Updated: 1 hour ago

    Seattle (SEA)to

    Washington, D.C. (DCA)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $397Fare subject to changes
    Updated: 1 hour ago

    Seattle (SEA)to

    Washington, D.C. (DCA)
    11/06/26 - 11/13/26

    Round trip

    Economy

    from
    $397Fare subject to changes
    Updated: 1 hour ago

    Seattle (SEA)to

    Washington, D.C. (DCA)
    11/09/26 - 11/16/26

    Round trip

    Economy

    from
    $397Fare subject to changes
    Updated: 1 hour ago

    Seattle (SEA)to

    Washington, D.C. (DCA)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $397Fare subject to changes
    Updated: 1 hour ago

    Seattle (SEA)to

    Washington, D.C. (DCA)
    11/16/26 - 11/23/26

    Round trip

    Economy

    from
    $397Fare subject to changes
    Updated: 1 hour ago

    Seattle (SEA)to

    Washington, D.C. (DCA)
    11/26/26 - 12/03/26

    Round trip

    Economy

    from
    $397Fare subject to changes
    Updated: 1 hour ago

    Seattle (SEA)to

    Washington, D.C. (DCA)
    11/01/26 - 11/08/26

    Round trip

    Economy

    from
    $397Fare subject to changes
    Updated: 1 hour 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.

    Saving on flights

    Tips for finding cheap flights to Washington, D.C. 

    Finding lower fares often depends on timing, flexibility and travel demand. These tips can make it easier to compare options and identify flights that fit your plans.

    Book early

    Booking 1 to 3 months ahead can help you find lower fares on flights to Washington, D.C..

    Be flexible with dates

    Midweek flights, such as Tuesdays or Wednesdays, can sometimes offer lower fares.

    Travel off-peak

    Off-peak seasons tend to be more affordable. If travel demand is higher during holidays or major events, consider less busy times for lower fares.

    Earn up to $300 back on your next
    American Airlines flight

    Plus, 40,000 bonus miles with this credit card offer. Offers vary elsewhere. Terms apply.

    Learn more
    $300 statement credit
    40,000 bonus miles
    AAdvantage credit card

    Before your flight

    Airport tips for departure day

    Review these tips to prepare for your trip and get ready for your departure.

    When to arrive

    Arrive early

    Arrive at least 2 hours before domestic flights. For international travel, plan for 3 hours before departure.

    Check-in

    Get your boarding pass

    Check in online or on the American app to download your boarding pass or print it before you arrive.

    Flight info

    Find your gate

    Check your terminal and gate before you go and watch for updates in the app or on airport displays.

    Documents

    Have your documents

    Bring a valid ID to pass through security. Make sure your travel details match your identification.

    Airport experience

    Relax before your flight

    Allow extra time to reach your gate and get through security before boarding begins.

    Amenities

    Explore airport amenities

    Many airports offer dining, charging stations and other services to help you prepare for your trip before boarding.

    Airport information

    Which airports in Washington, D.C. does American Airlines fly to?

    American Airlines serves both Ronald Reagan Washington National Airport (DCA) and Washington Dulles International Airport (IAD). DCA sits just 5 miles from the heart of the city and is a popular choice for quick access to central Washington. IAD, located about 27 miles west, offers additional options for those staying in the surrounding region.

    Getting from the airport

    Getting from DCA and IAD to Washington, D.C.

    For current transportation details, visit the official DCA Airport website or the official IAD Airport website.

    Public transit

    The Metrorail Yellow and Blue Lines connect DCA with downtown Washington, D.C. in about 15 minutes. The Metro's Silver Line connects Dulles directly to various parts of Washington.

    Hotel shuttles

    Many hotels offer shuttle service between both airports and their locations.

    Taxi / rideshare

    Taxis and app-based rideshare services are available curbside outside arrivals.

    Rental cars

    Rental car counters are located in dedicated facilities accessible by shuttle from the terminal.

    Upgrade options

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Discover how Main Cabin Extra can enhance your trip.

    Main Cabin Extra seats.

    Extra legroom

    More space with seats at the front of the Main Cabin or in exit rows.

    Traveler in the Preferred Boarding group.

    Early boarding

    Preferred Group 5 boarding allows easier access to overhead bins.

    Beverage service in Main Cabin Extra.

    Complimentary drinks

    Enjoy beer, wine and spirits on flights with full beverage service.

    Quick answers

    Frequently asked questions

    Use the fare calendar and flight search tools on this page to compare prices across different travel dates. Adjusting your departure or return date may help you find more flight options and fares that fit your budget.

    AAdvantage® members can earn miles on eligible American Airlines flights. Miles can be used toward future travel, upgrades and other rewards. Learn more about the AAdvantage® program.

    When planning your trip, consider travel dates, flight options and activities at your destination. This page includes helpful information to help you compare flights and start planning your visit.

    Explore local attractions, dining, entertainment and other experiences highlighted on this page to help plan your visit.

    Explore more destinations