Southwest® flights from St. Louis to Atlanta from $115

Promo Code

Low fares from St. Louis to Atlanta

$

St. Louis (STL)to

Atlanta (ATL)
Depart: 01/26/2027

One-way

Basic

From
$115
Seen: 23 hrs ago

St. Louis (STL)to

Atlanta (ATL)
Depart: 01/06/2027

One-way

Basic

From
$115
Seen: 20 hrs ago

St. Louis (STL)to

Atlanta (ATL)
Depart: 02/09/2027

One-way

Basic

From
$115
Seen: 11 hrs ago

St. Louis (STL)to

Atlanta (ATL)
Depart: 02/10/2027

One-way

Basic

From
$115
Seen: 12 hrs ago

St. Louis (STL)to

Atlanta (ATL)
Depart: 12/30/2026

One-way

Basic

From
$115
Seen: 16 hrs ago

St. Louis (STL)to

Atlanta (ATL)
Depart: 12/16/2026

One-way

Basic

From
$115
Seen: 13 hrs ago
Two happy travelers riding a scooter at sunset, promoting low-fare flights.

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

cmp-daily-histogram-bars-legend-min-price-aria-label $115
cmp-daily-histogram-bars-legend-max-price-aria-label $437
Displaying fares for November-2026
  • STL–ATL: cmp-view-offers-disclaimer. Find Offers
    15

    Sun

    NOV

  • STL–ATL, 11/16/2026: From $437
    16

    Mon

  • STL–ATL, 11/17/2026: From $437
    17

    Tue

  • STL–ATL, 11/18/2026: From $437
    18

    Wed

  • STL–ATL, 11/19/2026: From $437
    19

    Thu

  • STL–ATL, 11/20/2026: From $437
    20

    Fri

  • STL–ATL, 11/21/2026: From $393
    21

    Sat

  • STL–ATL, 11/22/2026: From $393
    22

    Sun

  • STL–ATL, 11/23/2026: From $393
    23

    Mon

  • STL–ATL, 11/24/2026: From $393
    24

    Tue

  • STL–ATL, 11/25/2026: From $393
    25

    Wed

  • STL–ATL, 11/26/2026: From $393
    26

    Thu

  • STL–ATL, 11/27/2026: From $393
    27

    Fri

  • STL–ATL, 11/28/2026: From $282
    28

    Sat

  • STL–ATL, 11/29/2026: From $282
    29

    Sun

  • STL–ATL, 11/30/2026: From $282
    30

    Mon

  • STL–ATL, 12/01/2026: From $252
    01

    Tue

    DEC

  • STL–ATL, 12/02/2026: From $252
    02

    Wed

  • STL–ATL, 12/03/2026: From $252
    03

    Thu

  • STL–ATL, 12/04/2026: From $252
    04

    Fri

  • STL–ATL, 12/05/2026: From $135
    05

    Sat

  • STL–ATL, 12/06/2026: From $159
    06

    Sun

  • STL–ATL, 12/07/2026: From $135
    07

    Mon

  • STL–ATL: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • STL–ATL, 12/09/2026: From $115
    09

    Wed

  • STL–ATL, 12/10/2026: From $135
    10

    Thu

  • STL–ATL, 12/11/2026: From $155
    11

    Fri

  • STL–ATL, 12/12/2026: From $135
    12

    Sat

  • STL–ATL, 12/13/2026: From $159
    13

    Sun

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

    Mon

  • Range$115-$437

    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

    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.

    Popular Flights from St. Louis