Southwest® flights from San Francisco to St. Louis from $215

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Low fares from San Francisco to St. Louis

$

San Francisco (SFO)to

St. Louis (STL)
Depart: 12/01/2026

One-way

Basic

From
$215
Seen: 20 hrs ago

San Francisco (SFO)to

St. Louis (STL)
Depart: 01/06/2027

One-way

Basic

From
$215
Seen: 19 hrs ago

San Francisco (SFO)to

St. Louis (STL)
Depart: 01/12/2027

One-way

Basic

From
$215
Seen: 12 hrs ago

San Francisco (SFO)to

St. Louis (STL)
Depart: 12/15/2026

One-way

Basic

From
$215
Seen: 2 hrs ago

San Francisco (SFO)to

St. Louis (STL)
Depart: 01/05/2027

One-way

Basic

From
$225
Seen: 19 hrs ago

San Francisco (SFO)to

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

One-way

Basic

From
$225
Seen: 19 hrs ago

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Explore flights from San Francisco to St. Louis

Nov 2026
From$379*
Seen: 20 hrs ago
One Way/Basic
Dec 2026
From$215*
Seen: 20 hrs ago
One Way/Basic
Jan 2027
From$215*
Seen: 19 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $215
cmp-daily-histogram-bars-legend-max-price-aria-label $685
Displaying fares for November-2026
  • SFO–STL, 11/11/2026: From $675
    11

    Wed

    NOV

  • SFO–STL, 11/12/2026: From $675
    12

    Thu

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

    Fri

  • SFO–STL, 11/14/2026: From $685
    14

    Sat

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

    Sun

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

    Mon

  • SFO–STL, 11/17/2026: From $675
    17

    Tue

  • SFO–STL, 11/18/2026: From $533
    18

    Wed

  • SFO–STL, 11/19/2026: From $533
    19

    Thu

  • SFO–STL, 11/20/2026: From $533
    20

    Fri

  • SFO–STL, 11/21/2026: From $543
    21

    Sat

  • SFO–STL, 11/22/2026: From $543
    22

    Sun

  • SFO–STL, 11/23/2026: From $533
    23

    Mon

  • SFO–STL, 11/24/2026: From $533
    24

    Tue

  • SFO–STL, 11/25/2026: From $379
    25

    Wed

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

    Thu

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

    Fri

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

    Sat

  • SFO–STL: cmp-view-offers-disclaimer. Find Offers
    29

    Sun

  • SFO–STL, 11/30/2026: From $385
    30

    Mon

  • SFO–STL, 12/01/2026: From $215
    01

    Tue

    DEC

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

    Wed

  • SFO–STL, 12/03/2026: From $235
    03

    Thu

  • SFO–STL, 12/04/2026: From $250
    04

    Fri

  • SFO–STL, 12/05/2026: From $225
    05

    Sat

  • SFO–STL, 12/06/2026: From $305
    06

    Sun

  • SFO–STL, 12/07/2026: From $225
    07

    Mon

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

    Tue

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

    Wed

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

    Thu

    • Range$215-$685

    *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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