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: 11/17/2026

One-way

Basic

From
$59
Seen: 23 hrs ago

Baltimore/Washington (BWI)to

Boston (BOS)
Depart: 12/16/2026

One-way

Basic

From
$59
Seen: 22 hrs ago

Baltimore/Washington (BWI)to

Boston (BOS)
Depart: 12/21/2026

One-way

Basic

From
$59
Seen: 19 hrs ago

Baltimore/Washington (BWI)to

Boston (BOS)
Depart: 12/14/2026

One-way

Basic

From
$59
Seen: 20 hrs ago

Baltimore/Washington (BWI)to

Boston (BOS)
Depart: 12/14/2026

One-way

Choice

From
$94
Seen: 20 hrs ago

Baltimore/Washington (BWI)to

Boston (BOS)
Depart: 11/17/2026

One-way

Choice

From
$94
Seen: 23 hrs ago

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Explore flights from Baltimore/Washington to Boston

Sep 2026
From$204*
Seen: 17 hrs ago
One Way/Basic
Oct 2026
From$110*
Seen: 14 hrs ago
One Way/Basic
Nov 2026
From$59*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $110
cmp-daily-histogram-bars-legend-max-price-aria-label $389
Displaying fares for September-2026
  • BWI–BOS, 09/12/2026: From $389
    12

    Sat

    SEP

  • BWI–BOS, 09/13/2026: From $389
    13

    Sun

  • BWI–BOS, 09/14/2026: From $389
    14

    Mon

  • BWI–BOS, 09/15/2026: From $389
    15

    Tue

  • BWI–BOS, 09/16/2026: From $389
    16

    Wed

  • BWI–BOS, 09/17/2026: From $389
    17

    Thu

  • BWI–BOS, 09/18/2026: From $316
    18

    Fri

  • BWI–BOS, 09/19/2026: From $316
    19

    Sat

  • BWI–BOS, 09/20/2026: From $316
    20

    Sun

  • BWI–BOS, 09/21/2026: From $316
    21

    Mon

  • BWI–BOS, 09/22/2026: From $316
    22

    Tue

  • BWI–BOS, 09/23/2026: From $316
    23

    Wed

  • BWI–BOS, 09/24/2026: From $316
    24

    Thu

  • BWI–BOS, 09/25/2026: From $240
    25

    Fri

  • BWI–BOS, 09/26/2026: From $204
    26

    Sat

  • BWI–BOS, 09/27/2026: From $204
    27

    Sun

  • BWI–BOS, 09/28/2026: From $204
    28

    Mon

  • BWI–BOS, 09/29/2026: From $204
    29

    Tue

  • BWI–BOS, 09/30/2026: From $204
    30

    Wed

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

    Thu

    OCT

  • BWI–BOS, 10/02/2026: From $149
    02

    Fri

  • BWI–BOS, 10/03/2026: From $149
    03

    Sat

  • BWI–BOS, 10/04/2026: From $162
    04

    Sun

  • BWI–BOS, 10/05/2026: From $110
    05

    Mon

  • BWI–BOS, 10/06/2026: From $110
    06

    Tue

  • BWI–BOS, 10/07/2026: From $110
    07

    Wed

  • BWI–BOS, 10/08/2026: From $198
    08

    Thu

  • BWI–BOS, 10/09/2026: From $226
    09

    Fri

  • BWI–BOS, 10/10/2026: From $149
    10

    Sat

  • BWI–BOS: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

    • Range$110-$389

    *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

    Route Information

    44† Weekly flights
    • 7‡ Nonstop flights per day Monday through Friday
    • 6‡ Nonstop flights on Saturday
    • 8‡ Nonstop flights on Sunday

    † 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

    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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