Southwest® flights from Boston to Washington D.C. Reagan National from $256

Promo Code

Low fares from Boston to Washington D.C. Reagan National

$

Boston (BOS)to

Washington D.C. Reagan National (DCA)
Depart: 11/25/2026

One-way

Basic

From
$256
Seen: 23 hrs ago

Boston (BOS)to

Washington D.C. Reagan National (DCA)
Depart: 11/13/2026

One-way

Basic

From
$256
Seen: 23 hrs ago

Boston (BOS)to

Washington D.C. Reagan National (DCA)
Depart: 11/26/2026

One-way

Basic

From
$256
Seen: 3 hrs ago

Boston (BOS)to

Washington D.C. Reagan National (DCA)
Depart: 11/06/2026

One-way

Basic

From
$256
Seen: 13 minutes ago

Boston (BOS)to

Washington D.C. Reagan National (DCA)
Depart: 12/17/2026

One-way

Basic

From
$256
Seen: 3 hrs ago

Boston (BOS)to

Washington D.C. Reagan National (DCA)
Depart: 11/21/2026

One-way

Basic

From
$256
Seen: 13 hrs ago

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Explore flights from Boston to Washington D.C. Reagan National

Sep 2026
From$400*
Seen: 6 hrs ago
One Way/Basic
Oct 2026
From$256*
Seen: 3 hrs ago
One Way/Basic
Nov 2026
From$256*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $267
cmp-daily-histogram-bars-legend-max-price-aria-label $589
Displaying fares for September-2026
  • BOS–DCA, 09/14/2026: From $494
    14

    Mon

    SEP

  • BOS–DCA, 09/15/2026: From $446
    15

    Tue

  • BOS–DCA: cmp-view-offers-disclaimer. Find Offers
    16

    Wed

  • BOS–DCA, 09/17/2026: From $446
    17

    Thu

  • BOS–DCA, 09/18/2026: From $451
    18

    Fri

  • BOS–DCA, 09/19/2026: From $446
    19

    Sat

  • BOS–DCA, 09/20/2026: From $451
    20

    Sun

  • BOS–DCA, 09/21/2026: From $446
    21

    Mon

  • BOS–DCA, 09/22/2026: From $400
    22

    Tue

  • BOS–DCA, 09/23/2026: From $400
    23

    Wed

  • BOS–DCA, 09/24/2026: From $400
    24

    Thu

  • BOS–DCA, 09/25/2026: From $400
    25

    Fri

  • BOS–DCA, 09/26/2026: From $400
    26

    Sat

  • BOS–DCA, 09/27/2026: From $589
    27

    Sun

  • BOS–DCA: cmp-view-offers-disclaimer. Find Offers
    28

    Mon

  • BOS–DCA: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

  • BOS–DCA: cmp-view-offers-disclaimer. Find Offers
    30

    Wed

  • BOS–DCA, 10/01/2026: From $289
    01

    Thu

    OCT

  • BOS–DCA, 10/02/2026: From $289
    02

    Fri

  • BOS–DCA, 10/03/2026: From $289
    03

    Sat

  • BOS–DCA, 10/04/2026: From $289
    04

    Sun

  • BOS–DCA: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • BOS–DCA: cmp-view-offers-disclaimer. Find Offers
    06

    Tue

  • BOS–DCA, 10/07/2026: From $267
    07

    Wed

  • BOS–DCA, 10/08/2026: From $267
    08

    Thu

  • BOS–DCA, 10/09/2026: From $476
    09

    Fri

  • BOS–DCA, 10/10/2026: From $267
    10

    Sat

  • BOS–DCA, 10/11/2026: From $267
    11

    Sun

  • BOS–DCA, 10/12/2026: From $294
    12

    Mon

  • BOS–DCA, 10/13/2026: From $280
    13

    Tue

    • Range$267-$589

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Logan International Airport
    Arriving at:
    Ronald Reagan National Airport
    Distance:
    399 miles

    Route Information

    70† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    There are 70 weekly flights from Boston to Washington, D.C. (Reagan National) on Southwest Airlines.
    To find the lowest fares by day and time to fly Boston to Washington, D.C. (Reagan National) with Southwest, check out our Low Fare Calendar.
    You can rent a car at Ronald Reagan National Airport book yours with your flight.
    Yes! Flights from Boston to Washington, D.C. (Reagan National)—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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