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Cheap flights from St. Louis to Michigan from $43

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Michigan departing on 4/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Michigan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:17 pm - 8:07 am
STL
-
DTW
10h 50m
1 stop
Frontier Logo
9:02 am - 1:19 pm
DTW
-
STL
5h 17m
1 stop
$138Frontier
Wed, Mar 4 - Mon, Mar 9
Frontier Logo
8:17 pm - 8:07 am
STL
-
DTW
10h 50m
1 stop
Frontier Logo
5:07 pm - 10:37 am
DTW
-
STL
18h 30m
1 stop
$141Frontier
Wed, Mar 4 - Tue, Mar 10
Delta Logo
6:35 am - 12:46 pm
STL
-
MDW
6h 11m
1 stop
Delta Logo
1:10 pm - 4:32 pm
MDW
-
STL
3h 22m
1 stop
$191Delta
Thu, Mar 5 - Mon, Mar 9
Delta Logo
6:47 pm - 11:56 pm
STL
-
ORD
5h 09m
1 stop
Delta Logo
5:59 pm - 11:58 pm
ORD
-
STL
5h 59m
1 stop
$191Delta
Thu, Mar 5 - Mon, Mar 9
Southwest Logo
5:40 am - 6:50 am
STL
-
MDW
1h 10mnonstop
Southwest Logo
11:15 am - 12:30 pm
MDW
-
STL
1h 15mnonstop
$194Southwest
Tue, Mar 31 - Thu, Apr 2
American Airlines Logo
8:00 am - 9:31 am
STL
-
ORD
1h 31mnonstop
American Airlines Logo
7:15 am - 8:38 am
ORD
-
STL
1h 23mnonstop
$194American Airlines
Sat, Mar 7 - Sun, Mar 8
Southwest Logo
1:40 pm - 8:10 pm
STL
-
MDW
6h 30m
2 stops
Southwest Logo
3:55 pm - 8:55 pm
MDW
-
STL
5h 00m
1 stop
$196Southwest
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
8:00 am - 9:31 am
STL
-
ORD
1h 31mnonstop
American Airlines Logo
6:53 pm - 8:19 pm
ORD
-
STL
1h 26mnonstop
$207American Airlines
Tue, Mar 10 - Mon, Aug 31
United Airlines Logo
9:55 am - 5:02 pm
STL
-
FNT
6h 07m
1 stop
United Airlines Logo
6:05 pm - 9:05 pm
FNT
-
STL
4h 00m
1 stop
$259United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
7:41 am - 2:55 pm
STL
-
FNT
6h 14m
1 stop
United Airlines Logo
5:46 pm - 9:07 pm
FNT
-
STL
4h 21m
1 stop
$309United Airlines
Thu, Mar 12 - Tue, Mar 17

United Airlines flights from St. Louis to Michigan

Our best United Airlines deals on St. Louis to Michigan flight tickets
United Airlines
Mar 5
STL7:41 amLambert-St Louis
1h 29m
ORD9:10 amChicago O'Hare Intl
Mar 9
ORD7:42 pmChicago O'Hare Intl
1h 25m
STL9:07 pmLambert-St Louis
$231
United Airlines
Mar 5
STL7:41 amLambert-St Louis
1h 29m
ORD9:10 amChicago O'Hare Intl
Mar 9
ORD7:42 pmChicago O'Hare Intl
1h 25m
STL9:07 pmLambert-St Louis
$233
United Airlines
Mar 19
STL5:00 amLambert-St Louis
1h 30m
ORD6:30 amChicago O'Hare Intl
Apr 5
ORD7:40 pmChicago O'Hare Intl
1h 28m
STL9:08 pmLambert-St Louis
$241

Delta flights from St. Louis to Michigan

Our best Delta deals on St. Louis to Michigan flight tickets
Delta
Mar 5
STL6:47 pmLambert-St Louis
5h 09m
1 stop
ORD11:56 pmChicago O'Hare Intl
Mar 9
ORD5:59 pmChicago O'Hare Intl
5h 59m
1 stop
STL11:58 pmLambert-St Louis
$191
Delta
May 2
STL3:25 pmLambert-St Louis
4h 23m
1 stop
ORD7:48 pmChicago O'Hare Intl
May 4
ORD1:36 pmChicago O'Hare Intl
9h 37m
2 stops
STL11:13 pmLambert-St Louis
$196
Delta
Apr 22
STL6:20 amLambert-St Louis
6h 23m
2 stops
MDW12:43 pmChicago Midway
Apr 24
MDW7:16 pmChicago Midway
3h 57m
1 stop
STL11:13 pmLambert-St Louis
$199

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Michigan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from St. Louis to Michigan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 3/4

8:17 pm-8:07 am

1 stop10h 50m

Detroit Metropolitan Wayne County

Mon 3/9

9:02 am-1:19 pm

1 stop5h 17m

$138

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 3/4

8:17 pm-8:07 am

1 stop10h 50m

Detroit Metropolitan Wayne County

Tue 3/10

5:07 pm-10:37 am

1 stop18h 30m

$141

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 3/5

6:35 am-12:46 pm

1 stop6h 11m

Chicago Midway

Mon 3/9

1:10 pm-4:32 pm

1 stop3h 22m

$191

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 3/5

6:47 pm-11:56 pm

1 stop5h 09m

Chicago O'Hare Intl

Mon 3/9

5:59 pm-11:58 pm

1 stop5h 59m

$191

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Tue 3/31

5:40 am-6:50 am

Nonstop1h 10m

Chicago Midway

Thu 4/2

11:15 am-12:30 pm

Nonstop1h 15m

$194

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sat 3/7

8:00 am-9:31 am

Nonstop1h 31m

Chicago O'Hare Intl

Sun 3/8

7:15 am-8:38 am

Nonstop1h 23m

$194

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 3/5

1:40 pm-8:10 pm

2 stops6h 30m

Chicago Midway

Mon 3/9

3:55 pm-8:55 pm

1 stop5h 00m

$196

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 3/10

8:00 am-9:31 am

Nonstop1h 31m

Chicago O'Hare Intl

Mon 8/31

6:53 pm-8:19 pm

Nonstop1h 26m

$207

St. LouisFlint

STL - FNT

STLFNT

Lambert-St Louis

Tue 2/24

9:55 am-5:02 pm

1 stop6h 07m

Flint Bishop

Sat 2/28

6:05 pm-9:05 pm

1 stop4h 00m

$259

St. LouisFlint

STL - FNT

STLFNT

Lambert-St Louis

Thu 3/12

7:41 am-2:55 pm

1 stop6h 14m

Flint Bishop

Tue 3/17

5:46 pm-9:07 pm

1 stop4h 21m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Michigan from

How to get the cheapest flight ticket from St. Louis to Michigan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Michigan?

If you aren’t able to travel to Michigan during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $114.

What is the cheapest day to depart on your flight to Michigan?

The cheapest day to depart from St. Louis to Michigan is on a Friday when prices can be found for as low as $327. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $732. These prices are subject to change though, so be sure to set up a Price Alert for flights to Michigan.

What is the cheapest time of day to depart on your flight to Michigan?

The cheapest time of day to fly to Michigan is in the evening when flights can be purchased for as low as $267. At noon is when there is more demand to fly to Michigan, so prices are often more expensive at around $816 per ticket.

What is the cheapest Lambert-St Louis to Michigan flight route?

Fly from Lambert-St Louis to Detroit Metropolitan Wayne County for the best Lambert-St Louis - Michigan flight prices

How far in advance should I book a flight to Michigan?

You are more likely to see cheaper flights to Michigan from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Michigan for around $288 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Michigan from St. Louis for as low as $117 on momondo.

What cabin class options are available on Lambert-St Louis to Michigan flights?

There are 4 cabin classes available to choose from on Lambert-St Louis to Michigan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Michigan flights?

You could potentially save up to 30% on your flight if you consider stops on a St. Louis to Michigan flight.

Cheap St. Louis to Michigan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Michigan

Best Price Found

$211

Fastest flight time

1h 05m

Direct flights

Every day

Airports in Michigan

115 airports
The best one-way flight to Michigan from St. Louis in the past 72 hours is $211. The best round-trip flight deal from St. Louis to Michigan found on momondo in the last 72 hours is $414.
The fastest flight from St. Louis to Michigan takes 1h 05m
Direct flights go from St. Louis to Michigan every day.
There are 115 airports in Michigan. From St. Louis there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Michigan?

    Prices for flights from Lambert-St Louis Airport to Michigan refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Michigan?

  • How old do you have to be to fly from Lambert-St Louis Airport to Michigan?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Michigan.

  • What documentation or ID do you need to fly to Michigan?

    The travel and health documents you'll need for your trip to Michigan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Michigan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Michigan?

Best airlines flying from St. Louis to Michigan

Compare and see reviews for airlines that fly from St. Louis to Michigan with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $38Free CancellationRating
6.3
8,444 reviews
Search Spirit Airlines flights
DeltaPriceFrom $75Free CancellationRating
7.9
8,181 reviews
Search Delta flights
FrontierPriceFrom $80Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
SouthwestPriceFrom $119Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
11,271 reviews
Search American Airlines flights
United AirlinesPriceFrom $200Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Michigan?

Finding the right flight to Michigan from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Michigan quick and easy, saving you time and money.

Can I find flights from St. Louis to Michigan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Michigan flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Michigan?

momondo helps you find the best flight between St. Louis and Michigan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Michigan right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Michigan, momondo offers a useful price alert feature which will track prices for flights to Michigan from St. Louis and alert you when they change.

An easier way to manage your Michigan trip

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