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

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

Aug 2026
From$151*
Updated: 3 hours ago
Round tripIEconomy
Sep 2026
From$134*
Updated: 21 hours ago
Round tripIEconomy
Oct 2026
From$151*
Updated: 13 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $134
cmp-daily-histogram-bars-legend-max-price-aria-label $539
Displaying fares for August-2026
  • DCA–BOS, 08/06/26 – 08/07/26: From $327
    06

    Th

    AUG

  • WAS–BOS, 08/07/26 – 08/09/26: From $323
    07

    Fr

  • WAS–BOS, 08/08/26 – 08/13/26: From $387
    08

    Sa

  • DCA–BOS, 08/09/26 – 08/15/26: From $539
    09

    Su

  • DCA–BOS, 08/10/26 – 08/11/26: From $413
    10

    Mo

  • DCA–BOS, 08/11/26 – 08/14/26: From $327
    11

    Tu

  • DCA–BOS, 08/12/26 – 08/19/26: From $401
    12

    We

  • DCA–BOS, 08/13/26 – 08/14/26: From $432
    13

    Th

  • WAS–BOS, 08/14/26 – 08/21/26: From $459
    14

    Fr

  • DCA–BOS, 08/15/26 – 08/19/26: From $399
    15

    Sa

  • DCA–BOS, 08/16/26 – 08/19/26: From $463
    16

    Su

  • DCA–BOS, 08/17/26 – 08/24/26: From $459
    17

    Mo

  • DCA–BOS, 08/18/26 – 08/23/26: From $382
    18

    Tu

  • DCA–BOS, 08/19/26 – 08/26/26: From $229
    19

    We

  • DCA–BOS, 08/20/26 – 08/27/26: From $239
    20

    Th

  • DCA–BOS, 08/21/26 – 08/24/26: From $252
    21

    Fr

  • DCA–BOS, 08/22/26 – 08/29/26: From $239
    22

    Sa

  • DCA–BOS, 08/23/26 – 08/28/26: From $263
    23

    Su

  • WAS–BOS, 08/24/26 – 08/31/26: From $239
    24

    Mo

  • DCA–BOS, 08/25/26 – 09/01/26: From $229
    25

    Tu

  • DCA–BOS, 08/26/26 – 09/02/26: From $151
    26

    We

  • DCA–BOS, 08/27/26 – 09/03/26: From $151
    27

    Th

  • DCA–BOS, 08/28/26 – 08/31/26: From $175
    28

    Fr

  • WAS–BOS, 08/29/26 – 09/05/26: From $202
    29

    Sa

  • WAS–BOS, 08/30/26 – 09/06/26: From $169
    30

    Su

  • WAS–BOS, 08/31/26 – 09/07/26: From $244
    31

    Mo

  • WAS–BOS, 09/01/26 – 09/08/26: From $151
    01

    Tu

    SEP

  • DCA–BOS, 09/02/26 – 09/05/26: From $134
    02

    We

  • DCA–BOS, 09/03/26 – 09/06/26: From $184
    03

    Th

  • DCA–BOS, 09/04/26 – 09/06/26: From $260
    04

    Fr

  • DCA–BOS, 09/05/26 – 09/12/26: From $144
    05

    Sa

    • range$134-$539

    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 Boston flights

    $
    keyboard_arrow_down

    Washington, D.C. (WAS)to

    Boston (BOS)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $151Fare subject to changes
    Updated: 3 hours ago

    Washington, D.C. (WAS)to

    Boston (BOS)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $151Fare subject to changes
    Updated: 3 hours ago

    Washington, D.C. (WAS)to

    Boston (BOS)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $151Fare subject to changes
    Updated: 3 hours ago

    Washington, D.C. (WAS)to

    Boston (BOS)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $151Fare subject to changes
    Updated: 3 hours ago

    Washington, D.C. (WAS)to

    Boston (BOS)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $151Fare subject to changes
    Updated: 3 hours ago

    Washington, D.C. (WAS)to

    Boston (BOS)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $151Fare subject to changes
    Updated: 3 hours ago

    Washington, D.C. (WAS)to

    Boston (BOS)
    09/02/26 - 09/09/26

    Round trip

    Economy

    from
    $151Fare subject to changes
    Updated: 3 hours ago

    Washington, D.C. (WAS)to

    Boston (BOS)
    09/15/26 - 09/22/26

    Round trip

    Economy

    from
    $151Fare subject to changes
    Updated: 3 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 Washington, D.C. to Boston

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