Southwest® flights from St. Louis to Detroit from $205

Promo Code

Low fares from St. Louis to Detroit

$

St. Louis (STL)to

Detroit (DTW)
Depart: 12/01/2026

One-way

Basic

From
$205
Seen: 23 hrs ago

St. Louis (STL)to

Detroit (DTW)
Depart: 12/09/2026

One-way

Basic

From
$205
Seen: 7 hrs ago

St. Louis (STL)to

Detroit (DTW)
Depart: 12/29/2026

One-way

Basic

From
$205
Seen: 12 hrs ago

St. Louis (STL)to

Detroit (DTW)
Depart: 11/24/2026

One-way

Basic

From
$205
Seen: 22 hrs ago

St. Louis (STL)to

Detroit (DTW)
Depart: 12/16/2026

One-way

Basic

From
$205
Seen: 20 hrs ago

St. Louis (STL)to

Detroit (DTW)
Depart: 11/17/2026

One-way

Basic

From
$205
Seen: 22 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 St. Louis to Detroit

Oct 2026
From$370*
Seen: 23 hrs ago
One Way/Basic
Nov 2026
From$205*
Seen: 22 hrs ago
One Way/Basic
Dec 2026
From$205*
Seen: 20 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $205
cmp-daily-histogram-bars-legend-max-price-aria-label $447
Displaying fares for October-2026
  • STL–DTW, 10/19/2026: From $447
    19

    Mon

    OCT

  • STL–DTW: cmp-view-offers-disclaimer. Find Offers
    20

    Tue

  • STL–DTW: cmp-view-offers-disclaimer. Find Offers
    21

    Wed

  • STL–DTW, 10/22/2026: From $447
    22

    Thu

  • STL–DTW, 10/23/2026: From $447
    23

    Fri

  • STL–DTW, 10/24/2026: From $370
    24

    Sat

  • STL–DTW, 10/25/2026: From $370
    25

    Sun

  • STL–DTW, 10/26/2026: From $370
    26

    Mon

  • STL–DTW, 10/27/2026: From $370
    27

    Tue

  • STL–DTW, 10/28/2026: From $370
    28

    Wed

  • STL–DTW, 10/29/2026: From $370
    29

    Thu

  • STL–DTW, 10/30/2026: From $370
    30

    Fri

  • STL–DTW: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

  • STL–DTW, 11/01/2026: From $258
    01

    Sun

    NOV

  • STL–DTW, 11/02/2026: From $320
    02

    Mon

  • STL–DTW, 11/03/2026: From $258
    03

    Tue

  • STL–DTW, 11/04/2026: From $258
    04

    Wed

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

    Thu

  • STL–DTW, 11/06/2026: From $258
    06

    Fri

  • STL–DTW, 11/07/2026: From $216
    07

    Sat

  • STL–DTW, 11/08/2026: From $216
    08

    Sun

  • STL–DTW, 11/09/2026: From $216
    09

    Mon

  • STL–DTW, 11/10/2026: From $216
    10

    Tue

  • STL–DTW, 11/11/2026: From $216
    11

    Wed

  • STL–DTW, 11/12/2026: From $216
    12

    Thu

  • STL–DTW, 11/13/2026: From $216
    13

    Fri

  • STL–DTW, 11/14/2026: From $216
    14

    Sat

  • STL–DTW, 11/15/2026: From $216
    15

    Sun

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

    Mon

  • STL–DTW, 11/17/2026: From $205
    17

    Tue

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

    Wed

    • Range$205-$447

    *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:
    Lambert-St Louis Int'l Airport
    Arriving at:
    Wayne County Airport
    Average flight time:
    1 hour 30 minutes
    Distance:
    440 miles

    Questions we hear the most

    The average flight time from St. Louis to Detroit is 1 hour 30 minutes.
    There are 135 weekly flights from St. Louis to Detroit on Southwest Airlines.
    Yes, Southwest flies nonstop from St. Louis to Detroit once per day from Monday through Friday.
    Yes, Southwest flies nonstop from St. Louis to Detroit once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly St. Louis to Detroit with Southwest, check out our Low Fare Calendar.
    You can rent a car at Wayne County Airport book yours with your flight.
    Yes! Flights from St. Louis to Detroit—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 St. Louis