Southwest® flights from Columbus to St. Louis from $119

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Low fares from Columbus to St. Louis

$

Columbus (CMH)to

St. Louis (STL)
Depart: 09/11/2026

One-way

Basic

From
$119
Seen: 13 hrs ago

Columbus (CMH)to

St. Louis (STL)
Depart: 09/03/2026

One-way

Basic

From
$129
Seen: 23 hrs ago

Columbus (CMH)to

St. Louis (STL)
Depart: 09/22/2026

One-way

Basic

From
$129
Seen: 23 hrs ago

Columbus (CMH)to

St. Louis (STL)
Depart: 08/26/2026

One-way

Basic

From
$129
Seen: 14 hrs ago

Columbus (CMH)to

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

One-way

Basic

From
$129
Seen: 14 hrs ago

Columbus (CMH)to

St. Louis (STL)
Depart: 09/15/2026

One-way

Basic

From
$129
Seen: 11 hrs ago

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Explore flights from Columbus to St. Louis

Aug 2026
From$129*
Seen: 18 minutes ago
One Way/Basic
Sep 2026
From$119*
Seen: 13 hrs ago
One Way/Basic
Oct 2026
From$129*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $129
cmp-daily-histogram-bars-legend-max-price-aria-label $382
Displaying fares for August-2026
  • CMH–STL, 08/01/2026: From $382
    01

    Sat

    AUG

  • CMH–STL, 08/02/2026: From $382
    02

    Sun

  • CMH–STL, 08/03/2026: From $214
    03

    Mon

  • CMH–STL: cmp-view-offers-disclaimer. Find Offers
    04

    Tue

  • CMH–STL, 08/05/2026: From $214
    05

    Wed

  • CMH–STL, 08/06/2026: From $214
    06

    Thu

  • CMH–STL, 08/07/2026: From $214
    07

    Fri

  • CMH–STL, 08/08/2026: From $214
    08

    Sat

  • CMH–STL, 08/09/2026: From $214
    09

    Sun

  • CMH–STL, 08/10/2026: From $214
    10

    Mon

  • CMH–STL: cmp-view-offers-disclaimer. Find Offers
    11

    Tue

  • CMH–STL, 08/12/2026: From $214
    12

    Wed

  • CMH–STL: cmp-view-offers-disclaimer. Find Offers
    13

    Thu

  • CMH–STL, 08/14/2026: From $168
    14

    Fri

  • CMH–STL: cmp-view-offers-disclaimer. Find Offers
    15

    Sat

  • CMH–STL, 08/16/2026: From $178
    16

    Sun

  • CMH–STL: cmp-view-offers-disclaimer. Find Offers
    17

    Mon

  • CMH–STL, 08/18/2026: From $168
    18

    Tue

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

    Wed

  • CMH–STL: cmp-view-offers-disclaimer. Find Offers
    20

    Thu

  • CMH–STL, 08/21/2026: From $129
    21

    Fri

  • CMH–STL: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • CMH–STL, 08/23/2026: From $149
    23

    Sun

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

    Mon

  • CMH–STL, 08/25/2026: From $129
    25

    Tue

  • CMH–STL, 08/26/2026: From $129
    26

    Wed

  • CMH–STL: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • CMH–STL, 08/28/2026: From $129
    28

    Fri

  • CMH–STL: cmp-view-offers-disclaimer. Find Offers
    29

    Sat

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

    Sun

  • CMH–STL, 08/31/2026: From $129
    31

    Mon

    • Range$129-$382

    *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:
    Port Columbus International Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Average flight time:
    1 hour 28 minutes
    Distance:
    409 miles

    Route Information

    152† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 2‡ 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 Columbus to St. Louis is 1 hour 28 minutes.
    There are 152 weekly flights from Columbus to St. Louis on Southwest Airlines.
    Yes, Southwest flies nonstop from Columbus to St. Louis once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Columbus to St. Louis once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly Columbus 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 Columbus 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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