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Find low faresSouthwest® flights from Boston to Charleston from $110
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Low fares from Boston to Charleston
$
Boston (BOS)to
Charleston (CHS)
Depart: 03/05/2026
One-way
Basic
From
$110
Seen: 8 hrs ago
Boston (BOS)to
Charleston (CHS)
Depart: 04/15/2026
One-way
Basic
From
$129
Seen: 7 hrs ago
Boston (BOS)to
Charleston (CHS)
Depart: 04/10/2026
One-way
Basic
From
$129
Seen: 2 hrs ago
Boston (BOS)to
Charleston (CHS)
Depart: 03/16/2026
One-way
Basic
From
$134
Seen: 5 hrs ago
Boston (BOS)to
Charleston (CHS)
Depart: 02/17/2026
One-way
Basic
From
$134
Seen: 2 hrs ago
Boston (BOS)to
Charleston (CHS)
Depart: 02/26/2026
One-way
Basic
From
$134
Seen: 7 hrs ago
Explore flights from Boston to Charleston
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Flight Details
Departing from:
Logan International Airport
Arriving at:
Charleston International Airport
Distance:
818 miles
Route Information
100† 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 100 weekly flights from Boston to Charleston on Southwest Airlines.
To find the lowest fares by day and time to fly Boston 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 Boston 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.