Southwest® flights from St. Louis to Louisville from $169

Promo Code

Low fares from St. Louis to Louisville

$

St. Louis (STL)to

Louisville (SDF)
Depart: 12/15/2026

One-way

Basic

From
$169
Seen: 1 hour ago

St. Louis (STL)to

Louisville (SDF)
Depart: 02/05/2027

One-way

Basic

From
$194
Seen: 22 hrs ago

St. Louis (STL)to

Louisville (SDF)
Depart: 12/11/2026

One-way

Basic

From
$194
Seen: 2 hrs ago

St. Louis (STL)to

Louisville (SDF)
Depart: 12/15/2026

One-way

Choice

From
$204
Seen: 1 hour ago

St. Louis (STL)to

Louisville (SDF)
Depart: 02/05/2027

One-way

Choice

From
$229
Seen: 22 hrs ago

St. Louis (STL)to

Louisville (SDF)
Depart: 12/11/2026

One-way

Choice

From
$229
Seen: 2 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 Louisville

Nov 2026
From$373*
Seen: 13 hrs ago
One Way/Basic
Dec 2026
From$169*
Seen: 1 hour ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $373
Displaying fares for November-2026
  • STL–SDF, 11/10/2026: From $426
    10

    Tue

    NOV

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

    Wed

  • STL–SDF, 11/12/2026: From $426
    12

    Thu

  • STL–SDF, 11/13/2026: From $426
    13

    Fri

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

    Sat

  • STL–SDF, 11/15/2026: From $373
    15

    Sun

  • STL–SDF: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

  • STL–SDF, 11/17/2026: From $373
    17

    Tue

  • STL–SDF, 11/18/2026: From $373
    18

    Wed

  • STL–SDF, 11/19/2026: From $373
    19

    Thu

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

    Fri

  • STL–SDF, 11/21/2026: From $373
    21

    Sat

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

    Sun

  • STL–SDF: cmp-view-offers-disclaimer. Find Offers
    23

    Mon

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

    Tue

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

    Wed

  • STL–SDF: cmp-view-offers-disclaimer. Find Offers
    26

    Thu

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

    Fri

  • STL–SDF: cmp-view-offers-disclaimer. Find Offers
    28

    Sat

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

    Sun

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

    Mon

  • STL–SDF: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    DEC

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

    Wed

  • STL–SDF: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

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

    Tue

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

    Wed

    • Range$373-$426

    *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:
    Louisville International Airport
    Distance:
    254 miles

    Questions we hear the most

    There are 148 weekly flights from St. Louis to Louisville on Southwest Airlines.
    To find the lowest fares by day and time to fly St. Louis to Louisville with Southwest, check out our Low Fare Calendar.
    You can rent a car at Louisville International Airport book yours with your flight.
    Yes! Flights from St. Louis to Louisville—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