Southwest® flights from Salt Lake City to St. Louis from $193

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Low fares from Salt Lake City to St. Louis

$

Salt Lake City (SLC)to

St. Louis (STL)
Depart: 12/17/2026

One-way

Basic

From
$193
Seen: 12 hrs ago

Salt Lake City (SLC)to

St. Louis (STL)
Depart: 10/03/2026

One-way

Basic

From
$193
Seen: 12 hrs ago

Salt Lake City (SLC)to

St. Louis (STL)
Depart: 11/23/2026

One-way

Basic

From
$193
Seen: 21 hrs ago

Salt Lake City (SLC)to

St. Louis (STL)
Depart: 10/15/2026

One-way

Basic

From
$193
Seen: 11 hrs ago

Salt Lake City (SLC)to

St. Louis (STL)
Depart: 11/27/2026

One-way

Basic

From
$214
Seen: 23 hrs ago

Salt Lake City (SLC)to

St. Louis (STL)
Depart: 10/16/2026

One-way

Basic

From
$214
Seen: 20 hrs ago

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Explore flights from Salt Lake City to St. Louis

Sep 2026
From$300*
Seen: 5 hrs ago
One Way/Basic
Oct 2026
From$193*
Seen: 12 hrs ago
One Way/Basic
Nov 2026
From$193*
Seen: 21 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $193
cmp-daily-histogram-bars-legend-max-price-aria-label $520
Displaying fares for September-2026
  • SLC–STL, 09/11/2026: From $520
    11

    Fri

    SEP

  • SLC–STL, 09/12/2026: From $470
    12

    Sat

  • SLC–STL, 09/13/2026: From $460
    13

    Sun

  • SLC–STL, 09/14/2026: From $460
    14

    Mon

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

    Tue

  • SLC–STL, 09/16/2026: From $460
    16

    Wed

  • SLC–STL, 09/17/2026: From $470
    17

    Thu

  • SLC–STL: cmp-view-offers-disclaimer. Find Offers
    18

    Fri

  • SLC–STL, 09/19/2026: From $435
    19

    Sat

  • SLC–STL, 09/20/2026: From $425
    20

    Sun

  • SLC–STL: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

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

    Tue

  • SLC–STL, 09/23/2026: From $435
    23

    Wed

  • SLC–STL, 09/24/2026: From $300
    24

    Thu

  • SLC–STL, 09/25/2026: From $300
    25

    Fri

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

    Sat

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

    Sun

  • SLC–STL, 09/28/2026: From $300
    28

    Mon

  • SLC–STL, 09/29/2026: From $310
    29

    Tue

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

    Wed

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

    Thu

    OCT

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

    Fri

  • SLC–STL, 10/03/2026: From $193
    03

    Sat

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

    Sun

  • SLC–STL, 10/05/2026: From $232
    05

    Mon

  • SLC–STL, 10/06/2026: From $232
    06

    Tue

  • SLC–STL, 10/07/2026: From $232
    07

    Wed

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

    Thu

  • SLC–STL, 10/09/2026: From $232
    09

    Fri

  • SLC–STL, 10/10/2026: From $232
    10

    Sat

    • Range$193-$520

    *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:
    Salt Lake City International Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Distance:
    1156 miles

    Route Information

    156† Weekly flights

    † 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

    There are 156 weekly flights from Salt Lake City to St. Louis on Southwest Airlines.
    To find the lowest fares by day and time to fly Salt Lake City 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 Salt Lake City 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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