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

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Low fares from Baltimore/Washington to Charleston

$

Baltimore/Washington (BWI)to

Charleston (CHS)
Depart: 10/13/2026

One-way

Basic

From
$99
Seen: 23 hrs ago

Baltimore/Washington (BWI)to

Charleston (CHS)
Depart: 09/14/2026

One-way

Basic

From
$99
Seen: 23 hrs ago

Baltimore/Washington (BWI)to

Charleston (CHS)
Depart: 09/26/2026

One-way

Basic

From
$99
Seen: 7 hrs ago

Baltimore/Washington (BWI)to

Charleston (CHS)
Depart: 10/03/2026

One-way

Basic

From
$99
Seen: 5 hrs ago

Baltimore/Washington (BWI)to

Charleston (CHS)
Depart: 11/14/2026

One-way

Basic

From
$99
Seen: 17 hrs ago

Baltimore/Washington (BWI)to

Charleston (CHS)
Depart: 09/23/2026

One-way

Basic

From
$99
Seen: 4 hrs ago

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Explore flights from Baltimore/Washington to Charleston

Aug 2026
From$302*
Seen: 21 hrs ago
One Way/Basic
Sep 2026
From$99*
Seen: 16 hrs ago
One Way/Basic
Oct 2026
From$99*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $99
cmp-daily-histogram-bars-legend-max-price-aria-label $407
Displaying fares for August-2026
  • BWI–CHS: cmp-view-offers-disclaimer. Find Offers
    21

    Fri

    AUG

  • BWI–CHS, 08/22/2026: From $407
    22

    Sat

  • BWI–CHS, 08/23/2026: From $407
    23

    Sun

  • BWI–CHS: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

  • BWI–CHS, 08/25/2026: From $407
    25

    Tue

  • BWI–CHS: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • BWI–CHS, 08/27/2026: From $302
    27

    Thu

  • BWI–CHS, 08/28/2026: From $302
    28

    Fri

  • BWI–CHS, 08/29/2026: From $302
    29

    Sat

  • BWI–CHS, 08/30/2026: From $302
    30

    Sun

  • BWI–CHS, 08/31/2026: From $302
    31

    Mon

  • BWI–CHS, 09/01/2026: From $302
    01

    Tue

    SEP

  • BWI–CHS, 09/02/2026: From $302
    02

    Wed

  • BWI–CHS, 09/03/2026: From $237
    03

    Thu

  • BWI–CHS, 09/04/2026: From $237
    04

    Fri

  • BWI–CHS, 09/05/2026: From $237
    05

    Sat

  • BWI–CHS: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • BWI–CHS: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • BWI–CHS, 09/08/2026: From $237
    08

    Tue

  • BWI–CHS, 09/09/2026: From $237
    09

    Wed

  • BWI–CHS, 09/10/2026: From $148
    10

    Thu

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

    Fri

  • BWI–CHS, 09/12/2026: From $99
    12

    Sat

  • BWI–CHS, 09/13/2026: From $196
    13

    Sun

  • BWI–CHS, 09/14/2026: From $99
    14

    Mon

  • BWI–CHS, 09/15/2026: From $99
    15

    Tue

  • BWI–CHS, 09/16/2026: From $99
    16

    Wed

  • BWI–CHS, 09/17/2026: From $216
    17

    Thu

  • BWI–CHS, 09/18/2026: From $109
    18

    Fri

  • BWI–CHS, 09/19/2026: From $99
    19

    Sat

  • BWI–CHS, 09/20/2026: From $196
    20

    Sun

    • Range$99-$407

    *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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