Southwest® flights from Washington, D.C. (Reagan National) to Boston from $236

Promo Code

Low fares from Washington, D.C. (Reagan National) to Boston

$

Washington, D.C. (Reagan National) (DCA)to

Boston (BOS)
Depart: 10/30/2026

One-way

Basic

From
$236
Seen: 10 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Boston (BOS)
Depart: 10/24/2026

One-way

Basic

From
$236
Seen: 11 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Boston (BOS)
Depart: 11/20/2026

One-way

Basic

From
$236
Seen: 14 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Boston (BOS)
Depart: 10/20/2026

One-way

Basic

From
$236
Seen: 7 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Boston (BOS)
Depart: 11/05/2026

One-way

Basic

From
$236
Seen: 4 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Boston (BOS)
Depart: 11/11/2026

One-way

Basic

From
$236
Seen: 5 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Washington, D.C. (Reagan National) to Boston

Aug 2026
From$380*
Seen: 21 hrs ago
One Way/Basic
Sep 2026
From$236*
Seen: 20 hrs ago
One Way/Basic
Oct 2026
From$236*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $236
cmp-daily-histogram-bars-legend-max-price-aria-label $426
Displaying fares for August-2026
  • DCA–BOS, 08/22/2026: From $426
    22

    Sat

    AUG

  • DCA–BOS, 08/23/2026: From $426
    23

    Sun

  • DCA–BOS, 08/24/2026: From $426
    24

    Mon

  • DCA–BOS, 08/25/2026: From $426
    25

    Tue

  • DCA–BOS, 08/26/2026: From $426
    26

    Wed

  • DCA–BOS, 08/27/2026: From $426
    27

    Thu

  • DCA–BOS, 08/28/2026: From $380
    28

    Fri

  • DCA–BOS, 08/29/2026: From $380
    29

    Sat

  • DCA–BOS, 08/30/2026: From $380
    30

    Sun

  • DCA–BOS: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • DCA–BOS, 09/01/2026: From $380
    01

    Tue

    SEP

  • DCA–BOS, 09/02/2026: From $380
    02

    Wed

  • DCA–BOS, 09/03/2026: From $380
    03

    Thu

  • DCA–BOS, 09/04/2026: From $334
    04

    Fri

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

    Sat

  • DCA–BOS, 09/06/2026: From $269
    06

    Sun

  • DCA–BOS: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • DCA–BOS: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • DCA–BOS, 09/09/2026: From $269
    09

    Wed

  • DCA–BOS, 09/10/2026: From $269
    10

    Thu

  • DCA–BOS, 09/11/2026: From $247
    11

    Fri

  • DCA–BOS, 09/12/2026: From $247
    12

    Sat

  • DCA–BOS, 09/13/2026: From $247
    13

    Sun

  • DCA–BOS: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • DCA–BOS: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

  • DCA–BOS, 09/16/2026: From $247
    16

    Wed

  • DCA–BOS, 09/17/2026: From $291
    17

    Thu

  • DCA–BOS, 09/18/2026: From $286
    18

    Fri

  • DCA–BOS, 09/19/2026: From $247
    19

    Sat

  • DCA–BOS: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

  • DCA–BOS, 09/21/2026: From $236
    21

    Mon

    • Range$236-$426

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

    Route Information

    73† 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 73 weekly flights from Washington, D.C. (Reagan National) to Boston on Southwest Airlines.
    To find the lowest fares by day and time to fly Washington, D.C. (Reagan National) to Boston with Southwest, check out our Low Fare Calendar.
    You can rent a car at Logan International Airport book yours with your flight.
    Yes! Flights from Washington, D.C. (Reagan National) to Boston—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.

    Explore Flights from Other Popular Origins

    Popular Flights from Washington, D.C. (Reagan National)