Southwest® flights from Atlanta to St. Louis from $72

Promo Code

Low fares from Atlanta to St. Louis

$

Atlanta (ATL)to

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

One-way

Basic

From
$72
Seen: 15 hrs ago

Atlanta (ATL)to

St. Louis (STL)
Depart: 12/13/2026

One-way

Basic

From
$72
Seen: 19 hrs ago

Atlanta (ATL)to

St. Louis (STL)
Depart: 11/12/2026

One-way

Basic

From
$72
Seen: 23 hrs ago

Atlanta (ATL)to

St. Louis (STL)
Depart: 12/20/2026

One-way

Basic

From
$72
Seen: 11 hrs ago

Atlanta (ATL)to

St. Louis (STL)
Depart: 12/22/2026

One-way

Basic

From
$72
Seen: 10 hrs ago

Atlanta (ATL)to

St. Louis (STL)
Depart: 11/21/2026

One-way

Basic

From
$72
Seen: 12 hrs ago

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Explore flights from Atlanta to St. Louis

Oct 2026
From$383*
Seen: 3 hrs ago
One Way/Basic
Nov 2026
From$72*
Seen: 11 hrs ago
One Way/Basic
Dec 2026
From$72*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $72
cmp-daily-histogram-bars-legend-max-price-aria-label $427
Displaying fares for October-2026
  • ATL–STL: cmp-view-offers-disclaimer. Find Offers
    21

    Wed

    OCT

  • ATL–STL, 10/22/2026: From $427
    22

    Thu

  • ATL–STL, 10/23/2026: From $427
    23

    Fri

  • ATL–STL: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • ATL–STL, 10/25/2026: From $427
    25

    Sun

  • ATL–STL, 10/26/2026: From $427
    26

    Mon

  • ATL–STL, 10/27/2026: From $383
    27

    Tue

  • ATL–STL, 10/28/2026: From $383
    28

    Wed

  • ATL–STL, 10/29/2026: From $383
    29

    Thu

  • ATL–STL, 10/30/2026: From $383
    30

    Fri

  • ATL–STL, 10/31/2026: From $383
    31

    Sat

  • ATL–STL, 11/01/2026: From $383
    01

    Sun

    NOV

  • ATL–STL, 11/02/2026: From $383
    02

    Mon

  • ATL–STL, 11/03/2026: From $242
    03

    Tue

  • ATL–STL, 11/04/2026: From $242
    04

    Wed

  • ATL–STL, 11/05/2026: From $242
    05

    Thu

  • ATL–STL, 11/06/2026: From $242
    06

    Fri

  • ATL–STL: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

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

    Sun

  • ATL–STL, 11/09/2026: From $82
    09

    Mon

  • ATL–STL, 11/10/2026: From $72
    10

    Tue

  • ATL–STL, 11/11/2026: From $72
    11

    Wed

  • ATL–STL, 11/12/2026: From $72
    12

    Thu

  • ATL–STL, 11/13/2026: From $72
    13

    Fri

  • ATL–STL, 11/14/2026: From $72
    14

    Sat

  • ATL–STL, 11/15/2026: From $285
    15

    Sun

  • ATL–STL, 11/16/2026: From $139
    16

    Mon

  • ATL–STL, 11/17/2026: From $72
    17

    Tue

  • ATL–STL, 11/18/2026: From $222
    18

    Wed

  • ATL–STL, 11/19/2026: From $72
    19

    Thu

  • ATL–STL, 11/20/2026: From $172
    20

    Fri

    • Range$72-$427

    *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:
    Hartsfield-Jackson Atlanta International Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Average flight time:
    1 hour 43 minutes
    Distance:
    484 miles

    Questions we hear the most

    The average flight time from Atlanta to St. Louis is 1 hour 43 minutes.
    There are 156 weekly flights from Atlanta to St. Louis on Southwest Airlines.
    Yes, Southwest flies nonstop from Atlanta to St. Louis 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Atlanta to St. Louis 2 times per day on Saturdays and 3 times per day on Sundays.
    To find the lowest fares by day and time to fly Atlanta 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 Atlanta 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.

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