Southwest® flights from New York (LaGuardia) to St. Louis from $139

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Low fares from New York (LaGuardia) to St. Louis

$

New York (LaGuardia) (LGA)to

St. Louis (STL)
Depart: 11/19/2026

One-way

Basic

From
$139
Seen: 13 hrs ago

New York (LaGuardia) (LGA)to

St. Louis (STL)
Depart: 10/12/2026

One-way

Basic

From
$139
Seen: 14 hrs ago

New York (LaGuardia) (LGA)to

St. Louis (STL)
Depart: 10/20/2026

One-way

Basic

From
$139
Seen: 8 hrs ago

New York (LaGuardia) (LGA)to

St. Louis (STL)
Depart: 10/08/2026

One-way

Basic

From
$139
Seen: 16 hrs ago

New York (LaGuardia) (LGA)to

St. Louis (STL)
Depart: 09/17/2026

One-way

Basic

From
$139
Seen: 6 hrs ago

New York (LaGuardia) (LGA)to

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

One-way

Basic

From
$139
Seen: 19 hrs ago

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Explore flights from New York (LaGuardia) to St. Louis

Aug 2026
From$227*
Seen: 20 hrs ago
One Way/Basic
Sep 2026
From$139*
Seen: 8 hrs ago
One Way/Basic
Oct 2026
From$139*
Seen: 16 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $139
cmp-daily-histogram-bars-legend-max-price-aria-label $405
Displaying fares for August-2026
  • LGA–STL, 08/22/2026: From $237
    22

    Sat

    AUG

  • LGA–STL, 08/23/2026: From $275
    23

    Sun

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

    Mon

  • LGA–STL, 08/25/2026: From $227
    25

    Tue

  • LGA–STL, 08/26/2026: From $227
    26

    Wed

  • LGA–STL, 08/27/2026: From $275
    27

    Thu

  • LGA–STL, 08/28/2026: From $275
    28

    Fri

  • LGA–STL, 08/29/2026: From $227
    29

    Sat

  • LGA–STL, 08/30/2026: From $285
    30

    Sun

  • LGA–STL, 08/31/2026: From $275
    31

    Mon

  • LGA–STL, 09/01/2026: From $227
    01

    Tue

    SEP

  • LGA–STL, 09/02/2026: From $227
    02

    Wed

  • LGA–STL, 09/03/2026: From $275
    03

    Thu

  • LGA–STL, 09/04/2026: From $257
    04

    Fri

  • LGA–STL, 09/05/2026: From $185
    05

    Sat

  • LGA–STL, 09/06/2026: From $185
    06

    Sun

  • LGA–STL, 09/07/2026: From $405
    07

    Mon

  • LGA–STL, 09/08/2026: From $227
    08

    Tue

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

    Wed

  • LGA–STL, 09/10/2026: From $185
    10

    Thu

  • LGA–STL, 09/11/2026: From $153
    11

    Fri

  • LGA–STL: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

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

    Sun

  • LGA–STL, 09/14/2026: From $211
    14

    Mon

  • LGA–STL, 09/15/2026: From $139
    15

    Tue

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

    Wed

  • LGA–STL, 09/17/2026: From $139
    17

    Thu

  • LGA–STL: cmp-view-offers-disclaimer. Find Offers
    18

    Fri

  • LGA–STL: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • LGA–STL, 09/20/2026: From $215
    20

    Sun

  • LGA–STL, 09/21/2026: From $139
    21

    Mon

    • Range$139-$405

    *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:
    La Guardia Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Average flight time:
    2 hours 48 minutes
    Distance:
    888 miles

    Route Information

    152† Weekly flights
    • 4‡ Nonstop flights per day Monday through Friday
    • 2‡ Nonstop flights on Saturday
    • 4‡ Nonstop flights 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 New York (LaGuardia) to St. Louis is 2 hours 48 minutes.
    There are 152 weekly flights from New York (LaGuardia) to St. Louis on Southwest Airlines.
    Yes, Southwest flies nonstop from New York (LaGuardia) to St. Louis 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from New York (LaGuardia) to St. Louis 2 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly New York (LaGuardia) 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 New York (LaGuardia) 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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