Southwest® flights from Baltimore/Washington to Boston from $59

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Low fares from Baltimore/Washington to Boston

$

Baltimore/Washington (BWI)to

Boston (BOS)
Depart: 12/18/2026

One-way

Basic

From
$59
Seen: 20 hrs ago

Baltimore/Washington (BWI)to

Boston (BOS)
Depart: 01/27/2027

One-way

Basic

From
$59
Seen: 20 hrs ago

Baltimore/Washington (BWI)to

Boston (BOS)
Depart: 01/22/2027

One-way

Basic

From
$59
Seen: 15 hrs ago

Baltimore/Washington (BWI)to

Boston (BOS)
Depart: 01/08/2027

One-way

Basic

From
$59
Seen: 12 hrs ago

Baltimore/Washington (BWI)to

Boston (BOS)
Depart: 11/13/2026

One-way

Basic

From
$59
Seen: 12 hrs ago

Baltimore/Washington (BWI)to

Boston (BOS)
Depart: 12/04/2026

One-way

Basic

From
$59
Seen: 19 hrs ago

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Explore flights from Baltimore/Washington to Boston

Oct 2026
From$326*
Seen: 3 minutes ago
One Way/Basic
Nov 2026
From$59*
Seen: 20 hrs ago
One Way/Basic
Dec 2026
From$59*
Seen: 1 hour ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $59
cmp-daily-histogram-bars-legend-max-price-aria-label $399
Displaying fares for October-2026
  • BWI–BOS, 10/24/2026: From $399
    24

    Sat

    OCT

  • BWI–BOS, 10/25/2026: From $399
    25

    Sun

  • BWI–BOS, 10/26/2026: From $399
    26

    Mon

  • BWI–BOS, 10/27/2026: From $399
    27

    Tue

  • BWI–BOS, 10/28/2026: From $399
    28

    Wed

  • BWI–BOS, 10/29/2026: From $399
    29

    Thu

  • BWI–BOS, 10/30/2026: From $326
    30

    Fri

  • BWI–BOS, 10/31/2026: From $326
    31

    Sat

  • BWI–BOS, 11/01/2026: From $326
    01

    Sun

    NOV

  • BWI–BOS: cmp-view-offers-disclaimer. Find Offers
    02

    Mon

  • BWI–BOS, 11/03/2026: From $326
    03

    Tue

  • BWI–BOS, 11/04/2026: From $326
    04

    Wed

  • BWI–BOS, 11/05/2026: From $326
    05

    Thu

  • BWI–BOS, 11/06/2026: From $214
    06

    Fri

  • BWI–BOS, 11/07/2026: From $214
    07

    Sat

  • BWI–BOS, 11/08/2026: From $214
    08

    Sun

  • BWI–BOS, 11/09/2026: From $72
    09

    Mon

  • BWI–BOS, 11/10/2026: From $72
    10

    Tue

  • BWI–BOS, 11/11/2026: From $214
    11

    Wed

  • BWI–BOS, 11/12/2026: From $72
    12

    Thu

  • BWI–BOS, 11/13/2026: From $59
    13

    Fri

  • BWI–BOS, 11/14/2026: From $172
    14

    Sat

  • BWI–BOS, 11/15/2026: From $72
    15

    Sun

  • BWI–BOS, 11/16/2026: From $96
    16

    Mon

  • BWI–BOS, 11/17/2026: From $59
    17

    Tue

  • BWI–BOS, 11/18/2026: From $59
    18

    Wed

  • BWI–BOS, 11/19/2026: From $59
    19

    Thu

  • BWI–BOS, 11/20/2026: From $172
    20

    Fri

  • BWI–BOS, 11/21/2026: From $59
    21

    Sat

  • BWI–BOS, 11/22/2026: From $125
    22

    Sun

  • BWI–BOS, 11/23/2026: From $59
    23

    Mon

    • Range$59-$399

    *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:
    Balt./Wash. International Airport
    Arriving at:
    Logan International Airport
    Average flight time:
    1 hour 30 minutes
    Distance:
    369 miles

    Questions we hear the most

    The average flight time from Baltimore/Washington to Boston is 1 hour 30 minutes.
    There are 44 weekly flights from Baltimore/Washington to Boston on Southwest Airlines.
    Yes, Southwest flies nonstop from Baltimore/Washington to Boston 7 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Baltimore/Washington to Boston 6 times per day on Saturdays and 8 times per day on Sundays.
    To find the lowest fares by day and time to fly Baltimore/Washington 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 Baltimore/Washington 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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