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

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

$

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

Boston (BOS)
Depart: 11/04/2026

One-way

Basic

From
$236
Seen: 18 hrs ago

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

Boston (BOS)
Depart: 10/30/2026

One-way

Basic

From
$236
Seen: 11 hrs ago

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

Boston (BOS)
Depart: 10/20/2026

One-way

Basic

From
$236
Seen: 14 hrs ago

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

Boston (BOS)
Depart: 09/10/2026

One-way

Basic

From
$236
Seen: 7 hrs ago

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

Boston (BOS)
Depart: 10/15/2026

One-way

Basic

From
$236
Seen: 10 hrs ago

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

Boston (BOS)
Depart: 10/13/2026

One-way

Basic

From
$236
Seen: 14 hrs ago

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

Aug 2026
From$247*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$236*
Seen: 8 hrs ago
One Way/Basic
Oct 2026
From$236*
Seen: 16 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $247
cmp-daily-histogram-bars-legend-max-price-aria-label $426
Displaying fares for August-2026
  • DCA–BOS, 08/02/2026: From $426
    02

    Sun

    AUG

  • DCA–BOS, 08/03/2026: From $426
    03

    Mon

  • DCA–BOS, 08/04/2026: From $426
    04

    Tue

  • DCA–BOS, 08/05/2026: From $426
    05

    Wed

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

    Thu

  • DCA–BOS, 08/07/2026: From $380
    07

    Fri

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

    Sat

  • DCA–BOS: cmp-view-offers-disclaimer. Find Offers
    09

    Sun

  • DCA–BOS, 08/10/2026: From $380
    10

    Mon

  • DCA–BOS, 08/11/2026: From $380
    11

    Tue

  • DCA–BOS, 08/12/2026: From $380
    12

    Wed

  • DCA–BOS, 08/13/2026: From $380
    13

    Thu

  • DCA–BOS, 08/14/2026: From $380
    14

    Fri

  • DCA–BOS, 08/15/2026: From $269
    15

    Sat

  • DCA–BOS, 08/16/2026: From $269
    16

    Sun

  • DCA–BOS: cmp-view-offers-disclaimer. Find Offers
    17

    Mon

  • DCA–BOS: cmp-view-offers-disclaimer. Find Offers
    18

    Tue

  • DCA–BOS, 08/19/2026: From $269
    19

    Wed

  • DCA–BOS, 08/20/2026: From $269
    20

    Thu

  • DCA–BOS, 08/21/2026: From $247
    21

    Fri

  • DCA–BOS, 08/22/2026: From $247
    22

    Sat

  • DCA–BOS, 08/23/2026: From $247
    23

    Sun

  • DCA–BOS, 08/24/2026: From $247
    24

    Mon

  • DCA–BOS, 08/25/2026: From $247
    25

    Tue

  • DCA–BOS: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • DCA–BOS: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • DCA–BOS, 08/28/2026: From $247
    28

    Fri

  • DCA–BOS, 08/29/2026: From $247
    29

    Sat

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

    Sun

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

    Mon

  • DCA–BOS: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

    • Range$247-$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.

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