Southwest® flights from Colorado Springs to St. Louis from $167

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Low fares from Colorado Springs to St. Louis

$

Colorado Springs (COS)to

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

One-way

Basic

From
$167
Seen: 15 hrs ago

Colorado Springs (COS)to

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

One-way

Basic

From
$167
Seen: 4 hrs ago

Colorado Springs (COS)to

St. Louis (STL)
Depart: 12/07/2026

One-way

Basic

From
$167
Seen: 17 hrs ago

Colorado Springs (COS)to

St. Louis (STL)
Depart: 12/09/2026

One-way

Basic

From
$167
Seen: 15 hrs ago

Colorado Springs (COS)to

St. Louis (STL)
Depart: 11/14/2026

One-way

Basic

From
$167
Seen: 15 hrs ago

Colorado Springs (COS)to

St. Louis (STL)
Depart: 11/07/2026

One-way

Basic

From
$167
Seen: 4 hrs ago

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Explore flights from Colorado Springs to St. Louis

Oct 2026
From$188*
Seen: 23 hrs ago
One Way/Basic
Nov 2026
From$167*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$167*
Seen: 17 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $188
cmp-daily-histogram-bars-legend-max-price-aria-label $351
Displaying fares for October-2026
  • COS–STL, 10/01/2026: From $351
    01

    Thu

    OCT

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

    Fri

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    03

    Sat

  • COS–STL, 10/04/2026: From $351
    04

    Sun

  • COS–STL, 10/05/2026: From $351
    05

    Mon

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    06

    Tue

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    07

    Wed

  • COS–STL, 10/08/2026: From $330
    08

    Thu

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    09

    Fri

  • COS–STL, 10/10/2026: From $305
    10

    Sat

  • COS–STL, 10/11/2026: From $330
    11

    Sun

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    12

    Mon

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    13

    Tue

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    14

    Wed

  • COS–STL, 10/15/2026: From $239
    15

    Thu

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    16

    Fri

  • COS–STL, 10/17/2026: From $244
    17

    Sat

  • COS–STL, 10/18/2026: From $244
    18

    Sun

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    19

    Mon

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    20

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    21

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    22

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    23

    Fri

  • COS–STL, 10/24/2026: From $188
    24

    Sat

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    25

    Sun

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    26

    Mon

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    27

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    28

    Wed

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    29

    Thu

  • COS–STL, 10/30/2026: From $188
    30

    Fri

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    31

    Sat

    • Range$188-$351

    *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:
    City of Colorado Springs Municipal Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Distance:
    773 miles

    Route Information

    136† Weekly flights

    † 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

    There are 136 weekly flights from Colorado Springs to St. Louis on Southwest Airlines.
    To find the lowest fares by day and time to fly Colorado Springs 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 Colorado Springs 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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