Southwest® flights from Baltimore/Washington to Charleston from $99

Promo Code

Low fares from Baltimore/Washington to Charleston

$

Baltimore/Washington (BWI)to

Charleston (CHS)
Depart: 11/17/2026

One-way

Basic

From
$99
Seen: 17 hrs ago

Baltimore/Washington (BWI)to

Charleston (CHS)
Depart: 12/11/2026

One-way

Basic

From
$108
Seen: 15 hrs ago

Baltimore/Washington (BWI)to

Charleston (CHS)
Depart: 12/24/2026

One-way

Basic

From
$108
Seen: 11 hrs ago

Baltimore/Washington (BWI)to

Charleston (CHS)
Depart: 12/25/2026

One-way

Basic

From
$108
Seen: 5 hrs ago

Baltimore/Washington (BWI)to

Charleston (CHS)
Depart: 11/23/2026

One-way

Basic

From
$108
Seen: 4 hrs ago

Baltimore/Washington (BWI)to

Charleston (CHS)
Depart: 11/21/2026

One-way

Basic

From
$108
Seen: 6 hrs ago

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Explore flights from Baltimore/Washington to Charleston

Oct 2026
From$157*
Seen: 8 hrs ago
One Way/Basic
Nov 2026
From$99*
Seen: 17 hrs ago
One Way/Basic
Dec 2026
From$108*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $157
cmp-daily-histogram-bars-legend-max-price-aria-label $427
Displaying fares for October-2026
  • BWI–CHS, 10/03/2026: From $427
    03

    Sat

    OCT

  • BWI–CHS: cmp-view-offers-disclaimer. Find Offers
    04

    Sun

  • BWI–CHS, 10/05/2026: From $427
    05

    Mon

  • BWI–CHS, 10/06/2026: From $427
    06

    Tue

  • BWI–CHS, 10/07/2026: From $427
    07

    Wed

  • BWI–CHS, 10/08/2026: From $427
    08

    Thu

  • BWI–CHS, 10/09/2026: From $222
    09

    Fri

  • BWI–CHS, 10/10/2026: From $274
    10

    Sat

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

    Sun

  • BWI–CHS, 10/12/2026: From $274
    12

    Mon

  • BWI–CHS, 10/13/2026: From $274
    13

    Tue

  • BWI–CHS, 10/14/2026: From $274
    14

    Wed

  • BWI–CHS, 10/15/2026: From $274
    15

    Thu

  • BWI–CHS, 10/16/2026: From $274
    16

    Fri

  • BWI–CHS, 10/17/2026: From $216
    17

    Sat

  • BWI–CHS: cmp-view-offers-disclaimer. Find Offers
    18

    Sun

  • BWI–CHS, 10/19/2026: From $216
    19

    Mon

  • BWI–CHS, 10/20/2026: From $216
    20

    Tue

  • BWI–CHS, 10/21/2026: From $216
    21

    Wed

  • BWI–CHS, 10/22/2026: From $295
    22

    Thu

  • BWI–CHS, 10/23/2026: From $157
    23

    Fri

  • BWI–CHS, 10/24/2026: From $157
    24

    Sat

  • BWI–CHS, 10/25/2026: From $216
    25

    Sun

  • BWI–CHS, 10/26/2026: From $157
    26

    Mon

  • BWI–CHS, 10/27/2026: From $157
    27

    Tue

  • BWI–CHS, 10/28/2026: From $157
    28

    Wed

  • BWI–CHS, 10/29/2026: From $157
    29

    Thu

  • BWI–CHS, 10/30/2026: From $157
    30

    Fri

  • BWI–CHS, 10/31/2026: From $157
    31

    Sat

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

    Sun

    NOV

  • BWI–CHS, 11/02/2026: From $157
    02

    Mon

    • Range$157-$427

    *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:
    Charleston International Airport
    Average flight time:
    1 hour 41 minutes
    Distance:
    472 miles

    Route Information

    84† Weekly flights
    • 3‡ Nonstop flights per day Monday through Friday
    • 3‡ Nonstop flights on Saturday
    • 4‡ 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 Charleston is 1 hour 41 minutes.
    There are 84 weekly flights from Baltimore/Washington to Charleston on Southwest Airlines.
    Yes, Southwest flies nonstop from Baltimore/Washington to Charleston 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Baltimore/Washington to Charleston 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Baltimore/Washington to Charleston with Southwest, check out our Low Fare Calendar.
    You can rent a car at Charleston International Airport book yours with your flight.
    Yes! Flights from Baltimore/Washington to Charleston—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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