Southwest® flights from Buffalo/Niagara Falls to Charleston from $125

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Low fares from Buffalo/Niagara Falls to Charleston

$

Buffalo/Niagara Falls (BUF)to

Charleston (CHS)
Depart: 09/05/2026

One-way

Basic

From
$125
Seen: 11 hrs ago

Buffalo/Niagara Falls (BUF)to

Charleston (CHS)
Depart: 10/26/2026

One-way

Basic

From
$131
Seen: 21 hrs ago

Buffalo/Niagara Falls (BUF)to

Charleston (CHS)
Depart: 10/23/2026

One-way

Basic

From
$132
Seen: 35 minutes ago

Buffalo/Niagara Falls (BUF)to

Charleston (CHS)
Depart: 09/10/2026

One-way

Basic

From
$132
Seen: 8 minutes ago

Buffalo/Niagara Falls (BUF)to

Charleston (CHS)
Depart: 08/28/2026

One-way

Basic

From
$132
Seen: 17 hrs ago

Buffalo/Niagara Falls (BUF)to

Charleston (CHS)
Depart: 09/15/2026

One-way

Basic

From
$132
Seen: 1 hour ago

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Explore flights from Buffalo/Niagara Falls to Charleston

Aug 2026
From$132*
Seen: 32 minutes ago
One Way/Basic
Sep 2026
From$125*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$131*
Seen: 21 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $132
cmp-daily-histogram-bars-legend-max-price-aria-label $388
Displaying fares for August-2026
  • BUF–CHS: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

    AUG

  • BUF–CHS, 08/03/2026: From $340
    03

    Mon

  • BUF–CHS, 08/04/2026: From $275
    04

    Tue

  • BUF–CHS, 08/05/2026: From $275
    05

    Wed

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    06

    Thu

  • BUF–CHS, 08/07/2026: From $284
    07

    Fri

  • BUF–CHS, 08/08/2026: From $275
    08

    Sat

  • BUF–CHS, 08/09/2026: From $388
    09

    Sun

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    10

    Mon

  • BUF–CHS, 08/11/2026: From $275
    11

    Tue

  • BUF–CHS, 08/12/2026: From $275
    12

    Wed

  • BUF–CHS: cmp-view-offers-disclaimer. Find Offers
    13

    Thu

  • BUF–CHS, 08/14/2026: From $284
    14

    Fri

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    15

    Sat

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    16

    Sun

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    17

    Mon

  • BUF–CHS, 08/18/2026: From $179
    18

    Tue

  • BUF–CHS, 08/19/2026: From $169
    19

    Wed

  • BUF–CHS, 08/20/2026: From $164
    20

    Thu

  • BUF–CHS, 08/21/2026: From $160
    21

    Fri

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    22

    Sat

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    23

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    24

    Mon

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    25

    Tue

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    26

    Wed

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    27

    Thu

  • BUF–CHS, 08/28/2026: From $132
    28

    Fri

  • BUF–CHS, 08/29/2026: From $132
    29

    Sat

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    30

    Sun

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    31

    Mon

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    01

    Tue

    SEP

    • Range$132-$388

    *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:
    Buffalo Niagara International Airport
    Arriving at:
    Charleston International Airport
    Distance:
    696 miles

    Route Information

    81† 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 81 weekly flights from Buffalo/Niagara Falls to Charleston on Southwest Airlines.
    To find the lowest fares by day and time to fly Buffalo/Niagara Falls 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 Buffalo/Niagara Falls 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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