Southwest® flights from St. Louis to Atlanta from $69

Promo Code

Low fares from St. Louis to Atlanta

$

St. Louis (STL)to

Atlanta (ATL)
Depart: 10/21/2026

One-way

Basic

From
$69
Seen: 23 hrs ago

St. Louis (STL)to

Atlanta (ATL)
Depart: 10/26/2026

One-way

Basic

From
$69
Seen: 20 hrs ago

St. Louis (STL)to

Atlanta (ATL)
Depart: 11/10/2026

One-way

Basic

From
$69
Seen: 20 hrs ago

St. Louis (STL)to

Atlanta (ATL)
Depart: 01/06/2027

One-way

Basic

From
$69
Seen: 12 hrs ago

St. Louis (STL)to

Atlanta (ATL)
Depart: 11/16/2026

One-way

Basic

From
$69
Seen: 3 hrs ago

St. Louis (STL)to

Atlanta (ATL)
Depart: 11/03/2026

One-way

Basic

From
$69
Seen: 3 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 St. Louis to Atlanta

Sep 2026
From$417*
Seen: 7 hrs ago
One Way/Basic
Oct 2026
From$69*
Seen: 23 hrs ago
One Way/Basic
Nov 2026
From$69*
Seen: 12 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $69
cmp-daily-histogram-bars-legend-max-price-aria-label $417
Displaying fares for September-2026
  • STL–ATL, 09/30/2026: From $417
    30

    Wed

    SEP

  • STL–ATL, 10/01/2026: From $417
    01

    Thu

  • STL–ATL, 10/02/2026: From $417
    02

    Fri

  • STL–ATL, 10/03/2026: From $417
    03

    Sat

  • STL–ATL, 10/04/2026: From $417
    04

    Sun

  • STL–ATL: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • STL–ATL, 10/06/2026: From $373
    06

    Tue

  • STL–ATL, 10/07/2026: From $373
    07

    Wed

  • STL–ATL, 10/08/2026: From $373
    08

    Thu

  • STL–ATL: cmp-view-offers-disclaimer. Find Offers
    09

    Fri

  • STL–ATL, 10/10/2026: From $373
    10

    Sat

  • STL–ATL, 10/11/2026: From $373
    11

    Sun

  • STL–ATL: cmp-view-offers-disclaimer. Find Offers
    12

    Mon

  • STL–ATL, 10/13/2026: From $232
    13

    Tue

  • STL–ATL, 10/14/2026: From $232
    14

    Wed

  • STL–ATL, 10/15/2026: From $232
    15

    Thu

  • STL–ATL, 10/16/2026: From $232
    16

    Fri

  • STL–ATL, 10/17/2026: From $232
    17

    Sat

  • STL–ATL, 10/18/2026: From $232
    18

    Sun

  • STL–ATL, 10/19/2026: From $232
    19

    Mon

  • STL–ATL, 10/20/2026: From $232
    20

    Tue

  • STL–ATL, 10/21/2026: From $69
    21

    Wed

  • STL–ATL, 10/22/2026: From $149
    22

    Thu

  • STL–ATL, 10/23/2026: From $96
    23

    Fri

  • STL–ATL, 10/24/2026: From $79
    24

    Sat

  • STL–ATL: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

  • STL–ATL, 10/26/2026: From $69
    26

    Mon

  • STL–ATL, 10/27/2026: From $69
    27

    Tue

  • STL–ATL, 10/28/2026: From $69
    28

    Wed

  • STL–ATL, 10/29/2026: From $69
    29

    Thu

    • Range$69-$417

    *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:
    Lambert-St Louis Int'l Airport
    Arriving at:
    Hartsfield-Jackson Atlanta International Airport
    Average flight time:
    1 hour 31 minutes
    Distance:
    484 miles

    Route Information

    156† Weekly flights
    • 3‡ Nonstop flights per day Monday through Friday
    • 2‡ Nonstop flights on Saturday
    • 3‡ Nonstop flights 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 St. Louis to Atlanta is 1 hour 31 minutes.
    There are 156 weekly flights from St. Louis to Atlanta on Southwest Airlines.
    Yes, Southwest flies nonstop from St. Louis to Atlanta 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from St. Louis to Atlanta 2 times per day on Saturdays and 3 times per day on Sundays.
    To find the lowest fares by day and time to fly St. Louis to Atlanta with Southwest, check out our Low Fare Calendar.
    You can rent a car at Hartsfield-Jackson Atlanta International Airport book yours with your flight.
    Yes! Flights from St. Louis to Atlanta—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 St. Louis