Southwest® flights from Sacramento to St. Louis from $209

Promo Code

Low fares from Sacramento to St. Louis

$

Sacramento (SMF)to

St. Louis (STL)
Depart: 11/17/2026

One-way

Basic

From
$209
Seen: 20 hrs ago

Sacramento (SMF)to

St. Louis (STL)
Depart: 10/27/2026

One-way

Basic

From
$209
Seen: 13 hrs ago

Sacramento (SMF)to

St. Louis (STL)
Depart: 11/03/2026

One-way

Basic

From
$209
Seen: 15 hrs ago

Sacramento (SMF)to

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

One-way

Basic

From
$209
Seen: 15 hrs ago

Sacramento (SMF)to

St. Louis (STL)
Depart: 11/04/2026

One-way

Basic

From
$209
Seen: 15 hrs ago

Sacramento (SMF)to

St. Louis (STL)
Depart: 10/28/2026

One-way

Basic

From
$209
Seen: 15 hrs ago

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Explore flights from Sacramento to St. Louis

Aug 2026
From$429*
Seen: 16 hrs ago
One Way/Basic
Sep 2026
From$209*
Seen: 23 hrs ago
One Way/Basic
Oct 2026
From$209*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $214
cmp-daily-histogram-bars-legend-max-price-aria-label $632
Displaying fares for August-2026
  • SMF–STL: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

    AUG

  • SMF–STL, 08/24/2026: From $632
    24

    Mon

  • SMF–STL, 08/25/2026: From $632
    25

    Tue

  • SMF–STL, 08/26/2026: From $632
    26

    Wed

  • SMF–STL, 08/27/2026: From $632
    27

    Thu

  • SMF–STL, 08/28/2026: From $632
    28

    Fri

  • SMF–STL, 08/29/2026: From $429
    29

    Sat

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

    Sun

  • SMF–STL: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

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

    Tue

    SEP

  • SMF–STL, 09/02/2026: From $434
    02

    Wed

  • SMF–STL, 09/03/2026: From $434
    03

    Thu

  • SMF–STL, 09/04/2026: From $434
    04

    Fri

  • SMF–STL, 09/05/2026: From $320
    05

    Sat

  • SMF–STL, 09/06/2026: From $325
    06

    Sun

  • SMF–STL, 09/07/2026: From $325
    07

    Mon

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

    Tue

  • SMF–STL, 09/09/2026: From $325
    09

    Wed

  • SMF–STL, 09/10/2026: From $325
    10

    Thu

  • SMF–STL, 09/11/2026: From $325
    11

    Fri

  • SMF–STL, 09/12/2026: From $214
    12

    Sat

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

    Sun

  • SMF–STL, 09/14/2026: From $214
    14

    Mon

  • SMF–STL, 09/15/2026: From $214
    15

    Tue

  • SMF–STL, 09/16/2026: From $214
    16

    Wed

  • SMF–STL, 09/17/2026: From $214
    17

    Thu

  • SMF–STL, 09/18/2026: From $224
    18

    Fri

  • SMF–STL, 09/19/2026: From $214
    19

    Sat

  • SMF–STL, 09/20/2026: From $292
    20

    Sun

  • SMF–STL, 09/21/2026: From $214
    21

    Mon

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

    Tue

    • Range$214-$632

    *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:
    Sacramento International Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Average flight time:
    3 hours 40 minutes
    Distance:
    1679 miles

    Route Information

    156† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 1‡ Nonstop flight 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 Sacramento to St. Louis is 3 hours 40 minutes.
    There are 156 weekly flights from Sacramento to St. Louis on Southwest Airlines.
    Yes, Southwest flies nonstop from Sacramento to St. Louis once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Sacramento to St. Louis once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Sacramento 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 Sacramento 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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