Southwest® flights from Charlotte to St. Louis from $99

Promo Code

Low fares from Charlotte to St. Louis

$

Charlotte (CLT)to

St. Louis (STL)
Depart: 10/22/2026

One-way

Basic

From
$99
Seen: 14 hrs ago

Charlotte (CLT)to

St. Louis (STL)
Depart: 11/05/2026

One-way

Basic

From
$99
Seen: 3 hrs ago

Charlotte (CLT)to

St. Louis (STL)
Depart: 10/08/2026

One-way

Basic

From
$99
Seen: 22 hrs ago

Charlotte (CLT)to

St. Louis (STL)
Depart: 10/21/2026

One-way

Basic

From
$99
Seen: 17 hrs ago

Charlotte (CLT)to

St. Louis (STL)
Depart: 09/10/2026

One-way

Basic

From
$99
Seen: 15 hrs ago

Charlotte (CLT)to

St. Louis (STL)
Depart: 11/10/2026

One-way

Basic

From
$99
Seen: 8 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 Charlotte to St. Louis

Aug 2026
From$233*
Seen: 4 hrs ago
One Way/Basic
Sep 2026
From$99*
Seen: 15 hrs ago
One Way/Basic
Oct 2026
From$99*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $99
cmp-daily-histogram-bars-legend-max-price-aria-label $274
Displaying fares for August-2026
  • CLT–STL, 08/21/2026: From $267
    21

    Fri

    AUG

  • CLT–STL, 08/22/2026: From $233
    22

    Sat

  • CLT–STL, 08/23/2026: From $267
    23

    Sun

  • CLT–STL, 08/24/2026: From $267
    24

    Mon

  • CLT–STL, 08/25/2026: From $233
    25

    Tue

  • CLT–STL, 08/26/2026: From $233
    26

    Wed

  • CLT–STL, 08/27/2026: From $267
    27

    Thu

  • CLT–STL, 08/28/2026: From $267
    28

    Fri

  • CLT–STL, 08/29/2026: From $233
    29

    Sat

  • CLT–STL: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • CLT–STL, 08/31/2026: From $267
    31

    Mon

  • CLT–STL, 09/01/2026: From $233
    01

    Tue

    SEP

  • CLT–STL: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • CLT–STL, 09/03/2026: From $190
    03

    Thu

  • CLT–STL, 09/04/2026: From $190
    04

    Fri

  • CLT–STL, 09/05/2026: From $163
    05

    Sat

  • CLT–STL: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • CLT–STL, 09/07/2026: From $264
    07

    Mon

  • CLT–STL, 09/08/2026: From $200
    08

    Tue

  • CLT–STL, 09/09/2026: From $163
    09

    Wed

  • CLT–STL, 09/10/2026: From $99
    10

    Thu

  • CLT–STL, 09/11/2026: From $128
    11

    Fri

  • CLT–STL, 09/12/2026: From $109
    12

    Sat

  • CLT–STL, 09/13/2026: From $214
    13

    Sun

  • CLT–STL: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • CLT–STL, 09/15/2026: From $109
    15

    Tue

  • CLT–STL, 09/16/2026: From $109
    16

    Wed

  • CLT–STL, 09/17/2026: From $170
    17

    Thu

  • CLT–STL: cmp-view-offers-disclaimer. Find Offers
    18

    Fri

  • CLT–STL: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • CLT–STL, 09/20/2026: From $274
    20

    Sun

    • Range$99-$274

    *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:
    Douglas Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Average flight time:
    2 hours
    Distance:
    575 miles

    Route Information

    103† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight 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 Charlotte to St. Louis is 2 hours.
    There are 103 weekly flights from Charlotte to St. Louis on Southwest Airlines.
    Yes, Southwest flies nonstop from Charlotte to St. Louis once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Charlotte to St. Louis once per day on Sundays.
    To find the lowest fares by day and time to fly Charlotte to St. Louis with Southwest, check out our Low Fare Calendar.
    You can rent a car at Lambert-St Louis Int'l Airport book yours with your flight.
    Yes! Flights from Charlotte to St. Louis—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 Charlotte