Southwest® flights from Buffalo/Niagara Falls to Charleston from $131

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Low fares from Buffalo/Niagara Falls to Charleston

$

Buffalo/Niagara Falls (BUF)to

Charleston (CHS)
Depart: 10/17/2026

One-way

Basic

From
$131
Seen: 21 hrs ago

Buffalo/Niagara Falls (BUF)to

Charleston (CHS)
Depart: 11/16/2026

One-way

Basic

From
$131
Seen: 22 hrs ago

Buffalo/Niagara Falls (BUF)to

Charleston (CHS)
Depart: 10/29/2026

One-way

Basic

From
$131
Seen: 16 hrs ago

Buffalo/Niagara Falls (BUF)to

Charleston (CHS)
Depart: 11/11/2026

One-way

Basic

From
$131
Seen: 2 hrs ago

Buffalo/Niagara Falls (BUF)to

Charleston (CHS)
Depart: 12/04/2026

One-way

Basic

From
$131
Seen: 1 hour ago

Buffalo/Niagara Falls (BUF)to

Charleston (CHS)
Depart: 10/03/2026

One-way

Basic

From
$136
Seen: 17 hrs ago

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Explore flights from Buffalo/Niagara Falls to Charleston

Sep 2026
From$275*
Seen: 13 hrs ago
One Way/Basic
Oct 2026
From$131*
Seen: 16 hrs ago
One Way/Basic
Nov 2026
From$131*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $136
cmp-daily-histogram-bars-legend-max-price-aria-label $440
Displaying fares for September-2026
  • BUF–CHS, 09/11/2026: From $340
    11

    Fri

    SEP

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    12

    Sat

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    13

    Sun

  • BUF–CHS, 09/14/2026: From $340
    14

    Mon

  • BUF–CHS, 09/15/2026: From $275
    15

    Tue

  • BUF–CHS, 09/16/2026: From $275
    16

    Wed

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    17

    Thu

  • BUF–CHS, 09/18/2026: From $440
    18

    Fri

  • BUF–CHS, 09/19/2026: From $275
    19

    Sat

  • BUF–CHS: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

  • BUF–CHS, 09/21/2026: From $284
    21

    Mon

  • BUF–CHS, 09/22/2026: From $285
    22

    Tue

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    23

    Wed

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    24

    Thu

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    25

    Fri

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    26

    Sat

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    27

    Sun

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    28

    Mon

  • BUF–CHS: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

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    30

    Wed

  • BUF–CHS, 10/01/2026: From $311
    01

    Thu

    OCT

  • BUF–CHS, 10/02/2026: From $220
    02

    Fri

  • BUF–CHS, 10/03/2026: From $136
    03

    Sat

  • BUF–CHS, 10/04/2026: From $236
    04

    Sun

  • BUF–CHS: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • BUF–CHS, 10/06/2026: From $171
    06

    Tue

  • BUF–CHS, 10/07/2026: From $220
    07

    Wed

  • BUF–CHS, 10/08/2026: From $306
    08

    Thu

  • BUF–CHS: cmp-view-offers-disclaimer. Find Offers
    09

    Fri

  • BUF–CHS, 10/10/2026: From $220
    10

    Sat

    • Range$136-$440

    *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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