Southwest® flights from Sacramento to St. Louis from $235

Promo Code

Low fares from Sacramento to St. Louis

$

Sacramento (SMF)to

St. Louis (STL)
Depart: 12/31/2026

One-way

Basic

From
$235
Seen: 8 hrs ago

Sacramento (SMF)to

St. Louis (STL)
Depart: 12/21/2026

One-way

Basic

From
$235
Seen: 7 hrs ago

Sacramento (SMF)to

St. Louis (STL)
Depart: 12/22/2026

One-way

Basic

From
$235
Seen: 20 hrs ago

Sacramento (SMF)to

St. Louis (STL)
Depart: 12/18/2026

One-way

Basic

From
$235
Seen: 15 hrs ago

Sacramento (SMF)to

St. Louis (STL)
Depart: 11/22/2026

One-way

Basic

From
$235
Seen: 10 hrs ago

Sacramento (SMF)to

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

One-way

Basic

From
$259
Seen: 21 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 Sacramento to St. Louis

Oct 2026
From$259*
Seen: 18 hrs ago
One Way/Basic
Nov 2026
From$235*
Seen: 10 hrs ago
One Way/Basic
Dec 2026
From$235*
Seen: 20 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $259
cmp-daily-histogram-bars-legend-max-price-aria-label $642
Displaying fares for October-2026
  • SMF–STL, 10/04/2026: From $642
    04

    Sun

    OCT

  • SMF–STL, 10/05/2026: From $642
    05

    Mon

  • SMF–STL, 10/06/2026: From $637
    06

    Tue

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

    Wed

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

    Thu

  • SMF–STL, 10/09/2026: From $642
    09

    Fri

  • SMF–STL, 10/10/2026: From $444
    10

    Sat

  • SMF–STL, 10/11/2026: From $444
    11

    Sun

  • SMF–STL, 10/12/2026: From $444
    12

    Mon

  • SMF–STL, 10/13/2026: From $439
    13

    Tue

  • SMF–STL, 10/14/2026: From $439
    14

    Wed

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

    Thu

  • SMF–STL, 10/16/2026: From $444
    16

    Fri

  • SMF–STL, 10/17/2026: From $335
    17

    Sat

  • SMF–STL, 10/18/2026: From $335
    18

    Sun

  • SMF–STL, 10/19/2026: From $335
    19

    Mon

  • SMF–STL, 10/20/2026: From $335
    20

    Tue

  • SMF–STL, 10/21/2026: From $330
    21

    Wed

  • SMF–STL, 10/22/2026: From $335
    22

    Thu

  • SMF–STL, 10/23/2026: From $335
    23

    Fri

  • SMF–STL, 10/24/2026: From $302
    24

    Sat

  • SMF–STL, 10/25/2026: From $302
    25

    Sun

  • SMF–STL, 10/26/2026: From $264
    26

    Mon

  • SMF–STL, 10/27/2026: From $297
    27

    Tue

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

    Wed

  • SMF–STL, 10/29/2026: From $259
    29

    Thu

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

    Fri

  • SMF–STL, 10/31/2026: From $302
    31

    Sat

  • SMF–STL, 11/01/2026: From $302
    01

    Sun

    NOV

  • SMF–STL, 11/02/2026: From $259
    02

    Mon

  • SMF–STL, 11/03/2026: From $287
    03

    Tue

    • Range$259-$642

    *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.

    Explore Flights from Other Popular Origins

    Popular Flights from Sacramento