Southwest® flights from San Francisco to St. Louis from $177

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Low fares from San Francisco to St. Louis

$

San Francisco (SFO)to

St. Louis (STL)
Depart: 12/03/2026

One-way

Basic

From
$177
Seen: 22 hrs ago

San Francisco (SFO)to

St. Louis (STL)
Depart: 12/04/2026

One-way

Basic

From
$177
Seen: 8 hrs ago

San Francisco (SFO)to

St. Louis (STL)
Depart: 12/13/2026

One-way

Basic

From
$177
Seen: 10 hrs ago

San Francisco (SFO)to

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

One-way

Basic

From
$177
Seen: 10 hrs ago

San Francisco (SFO)to

St. Louis (STL)
Depart: 12/08/2026

One-way

Basic

From
$177
Seen: 22 hrs ago

San Francisco (SFO)to

St. Louis (STL)
Depart: 11/12/2026

One-way

Basic

From
$177
Seen: 21 hrs ago

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Explore flights from San Francisco to St. Louis

Oct 2026
From$528*
Seen: 3 hrs ago
One Way/Basic
Nov 2026
From$177*
Seen: 21 hrs ago
One Way/Basic
Dec 2026
From$177*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $177
cmp-daily-histogram-bars-legend-max-price-aria-label $680
Displaying fares for October-2026
  • SFO–STL: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

    OCT

  • SFO–STL, 10/23/2026: From $680
    23

    Fri

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

    Sat

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

    Sun

  • SFO–STL, 10/26/2026: From $670
    26

    Mon

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

    Tue

  • SFO–STL, 10/28/2026: From $528
    28

    Wed

  • SFO–STL, 10/29/2026: From $528
    29

    Thu

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

    Fri

  • SFO–STL, 10/31/2026: From $538
    31

    Sat

  • SFO–STL, 11/01/2026: From $528
    01

    Sun

    NOV

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

    Mon

  • SFO–STL, 11/03/2026: From $528
    03

    Tue

  • SFO–STL, 11/04/2026: From $340
    04

    Wed

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

    Thu

  • SFO–STL, 11/06/2026: From $350
    06

    Fri

  • SFO–STL, 11/07/2026: From $350
    07

    Sat

  • SFO–STL, 11/08/2026: From $350
    08

    Sun

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

    Mon

  • SFO–STL, 11/10/2026: From $177
    10

    Tue

  • SFO–STL, 11/11/2026: From $187
    11

    Wed

  • SFO–STL, 11/12/2026: From $177
    12

    Thu

  • SFO–STL, 11/13/2026: From $177
    13

    Fri

  • SFO–STL, 11/14/2026: From $187
    14

    Sat

  • SFO–STL, 11/15/2026: From $187
    15

    Sun

  • SFO–STL, 11/16/2026: From $187
    16

    Mon

  • SFO–STL: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • SFO–STL, 11/18/2026: From $187
    18

    Wed

  • SFO–STL, 11/19/2026: From $297
    19

    Thu

  • SFO–STL, 11/20/2026: From $297
    20

    Fri

  • SFO–STL, 11/21/2026: From $297
    21

    Sat

    • Range$177-$680

    *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:
    San Francisco International Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Average flight time:
    3 hours 49 minutes
    Distance:
    1735 miles

    Questions we hear the most

    The average flight time from San Francisco to St. Louis is 3 hours 49 minutes.
    There are 150 weekly flights from San Francisco to St. Louis on Southwest Airlines.
    Yes, Southwest flies nonstop from San Francisco to St. Louis once per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Francisco to St. Louis once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly San Francisco 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 San Francisco 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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