Southwest® flights from St. Louis to Salt Lake City from $200

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Low fares from St. Louis to Salt Lake City

$

St. Louis (STL)to

Salt Lake City (SLC)
Depart: 12/21/2026

One-way

Basic

From
$200
Seen: 20 hrs ago

St. Louis (STL)to

Salt Lake City (SLC)
Depart: 10/31/2026

One-way

Basic

From
$200
Seen: 11 hrs ago

St. Louis (STL)to

Salt Lake City (SLC)
Depart: 12/31/2026

One-way

Basic

From
$200
Seen: 12 hrs ago

St. Louis (STL)to

Salt Lake City (SLC)
Depart: 12/17/2026

One-way

Basic

From
$200
Seen: 13 hrs ago

St. Louis (STL)to

Salt Lake City (SLC)
Depart: 12/12/2026

One-way

Basic

From
$200
Seen: 16 hrs ago

St. Louis (STL)to

Salt Lake City (SLC)
Depart: 12/03/2026

One-way

Basic

From
$200
Seen: 13 hrs ago

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Explore flights from St. Louis to Salt Lake City

Oct 2026
From$200*
Seen: 11 hrs ago
One Way/Basic
Nov 2026
From$200*
Seen: 11 hrs ago
One Way/Basic
Dec 2026
From$200*
Seen: 13 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $200
cmp-daily-histogram-bars-legend-max-price-aria-label $470
Displaying fares for October-2026
  • STL–SLC, 10/03/2026: From $465
    03

    Sat

    OCT

  • STL–SLC, 10/04/2026: From $470
    04

    Sun

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

    Mon

  • STL–SLC, 10/06/2026: From $470
    06

    Tue

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    07

    Wed

  • STL–SLC, 10/08/2026: From $435
    08

    Thu

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    09

    Fri

  • STL–SLC: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

  • STL–SLC, 10/11/2026: From $435
    11

    Sun

  • STL–SLC, 10/12/2026: From $435
    12

    Mon

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

    Tue

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

    Wed

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

    Thu

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

    Fri

  • STL–SLC, 10/17/2026: From $310
    17

    Sat

  • STL–SLC, 10/18/2026: From $369
    18

    Sun

  • STL–SLC, 10/19/2026: From $310
    19

    Mon

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

    Tue

  • STL–SLC, 10/21/2026: From $310
    21

    Wed

  • STL–SLC, 10/22/2026: From $224
    22

    Thu

  • STL–SLC, 10/23/2026: From $242
    23

    Fri

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    24

    Sat

  • STL–SLC, 10/25/2026: From $269
    25

    Sun

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    26

    Mon

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

    Tue

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

    Wed

  • STL–SLC, 10/29/2026: From $242
    29

    Thu

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    30

    Fri

  • STL–SLC, 10/31/2026: From $200
    31

    Sat

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

    Sun

    NOV

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    02

    Mon

    • Range$200-$470

    *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:
    Salt Lake City International 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 St. Louis to Salt Lake City on Southwest Airlines.
    To find the lowest fares by day and time to fly St. Louis to Salt Lake City with Southwest, check out our Low Fare Calendar.
    You can rent a car at Salt Lake City International Airport book yours with your flight.
    Yes! Flights from St. Louis to Salt Lake City—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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