Southwest® flights from Charleston to Austin from $157

Promo Code

Low fares from Charleston to Austin

$

Charleston (CHS)to

Austin (AUS)
Depart: 09/04/2026

One-way

Basic

From
$157
Seen: 12 hrs ago

Charleston (CHS)to

Austin (AUS)
Depart: 09/02/2026

One-way

Basic

From
$188
Seen: 18 hrs ago

Charleston (CHS)to

Austin (AUS)
Depart: 08/20/2026

One-way

Basic

From
$188
Seen: 19 hrs ago

Charleston (CHS)to

Austin (AUS)
Depart: 10/31/2026

One-way

Basic

From
$188
Seen: 20 hrs ago

Charleston (CHS)to

Austin (AUS)
Depart: 10/29/2026

One-way

Basic

From
$188
Seen: 20 hrs ago

Charleston (CHS)to

Austin (AUS)
Depart: 09/05/2026

One-way

Basic

From
$188
Seen: 18 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Charleston to Austin

Jul 2026
From$512*
Seen: 6 hrs ago
One Way/Basic
Aug 2026
From$188*
Seen: 19 hrs ago
One Way/Basic
Sep 2026
From$157*
Seen: 12 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $188
cmp-daily-histogram-bars-legend-max-price-aria-label $512
Displaying fares for July-2026
  • CHS–AUS, 07/31/2026: From $512
    31

    Fri

    JUL

  • CHS–AUS, 08/01/2026: From $512
    01

    Sat

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

  • CHS–AUS, 08/03/2026: From $250
    03

    Mon

  • CHS–AUS, 08/04/2026: From $250
    04

    Tue

  • CHS–AUS, 08/05/2026: From $250
    05

    Wed

  • CHS–AUS, 08/06/2026: From $250
    06

    Thu

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

    Fri

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    08

    Sat

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

    Sun

  • CHS–AUS, 08/10/2026: From $250
    10

    Mon

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

    Tue

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    12

    Wed

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

    Thu

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    14

    Fri

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    15

    Sat

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    16

    Sun

  • CHS–AUS, 08/17/2026: From $190
    17

    Mon

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

    Tue

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    19

    Wed

  • CHS–AUS, 08/20/2026: From $188
    20

    Thu

  • CHS–AUS, 08/21/2026: From $190
    21

    Fri

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

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

    Mon

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    25

    Tue

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

    Wed

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

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

    Sat

  • CHS–AUS: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

    • Range$188-$512

    *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:
    Charleston International Airport
    Arriving at:
    Austin-Bergstrom International Airport
    Distance:
    1055 miles

    Route Information

    130† 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 130 weekly flights from Charleston to Austin on Southwest Airlines.
    To find the lowest fares by day and time to fly Charleston to Austin with Southwest, check out our Low Fare Calendar.
    You can rent a car at Austin-Bergstrom International Airport book yours with your flight.
    Yes! Flights from Charleston to Austin—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.

    Explore Flights from Other Popular Origins

    Popular Flights from Charleston