STL

$64 Find Cheap Flights from Michigan to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$128
Overall average: $299
Frontier
Sat 2/21Wed 2/25
DTW - STL • 1 stop
Cheapest non-stop
$206
Typical prices: $260-$462
Southwest
Sat 2/21Tue 2/24
DTW - STL • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Michigan to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Michigan to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Michigan to St. Louis

Sat, Feb 21 - Wed, Feb 25
Frontier Logo
6:25 pm - 11:59 pm
DTW
-
STL
6h 34m
1 stop
Frontier Logo
8:17 pm - 8:07 am
STL
-
DTW
10h 50m
1 stop
$128Frontier
Tue, Feb 24 - Thu, Feb 26
Frontier Logo
6:02 pm - 6:51 am
ORD
-
STL
12h 49m
1 stop
Frontier Logo
10:11 pm - 5:26 pm
STL
-
ORD
19h 15m
1 stop
$129Frontier
Tue, Feb 17 - Fri, Feb 20
Multiple Airlines Logo
6:02 pm - 6:51 am
DTW
-
STL
13h 49m
1 stop
Multiple Airlines Logo
8:20 pm - 8:32 am
STL
-
DTW
11h 12m
1 stop
$132Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
Multiple Airlines Logo
6:02 pm - 6:51 am
DTW
-
STL
13h 49m
1 stop
Multiple Airlines Logo
3:49 pm - 8:57 am
STL
-
DTW
16h 08m
1 stop
$145Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
United Airlines Logo
4:39 pm - 9:05 pm
SBN
-
STL
5h 26m
1 stop
United Airlines Logo
6:25 am - 11:13 am
STL
-
SBN
3h 48m
1 stop
$239United Airlines
Wed, Feb 18 - Wed, Feb 25
Delta Logo
8:20 am - 4:45 pm
SBN
-
STL
9h 25m
2 stops
Delta Logo
6:35 am - 1:23 pm
STL
-
SBN
5h 48m
1 stop
$244Delta
Wed, Feb 18 - Wed, Feb 25
Delta Logo
8:20 am - 4:45 pm
SBN
-
STL
9h 25m
2 stops
Delta Logo
6:10 am - 1:23 pm
STL
-
SBN
6h 13m
2 stops
$250Delta
Tue, Feb 17 - Wed, Feb 18
American Airlines Logo
7:38 pm - 11:48 pm
FNT
-
STL
5h 10m
1 stop
American Airlines Logo
6:36 pm - 10:57 pm
STL
-
FNT
3h 21m
1 stop
$255American Airlines
Wed, Feb 4 - Sun, Feb 8
United Airlines Logo
2:10 pm - 5:43 pm
MBS
-
STL
4h 33m
1 stop
United Airlines Logo
8:05 am - 1:26 pm
STL
-
MBS
4h 21m
1 stop
$259United Airlines
Wed, Feb 4 - Sun, Feb 8
American Airlines Logo
6:30 am - 10:20 am
FNT
-
STL
4h 50m
1 stop
American Airlines Logo
11:05 am - 6:44 pm
STL
-
FNT
6h 39m
1 stop
$259American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$64
Best time to beat the crowds but there is an average 11% increase in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Detroit to St. Louis

FAQs for booking flights from Michigan to St. Louis

  • How does KAYAK find such low prices on flights from Michigan to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Michigan to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Michigan to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Michigan is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Michigan to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Michigan with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Michigan to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Michigan up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Shrewsbury
Glencoe

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis

St. Louis (STL)