HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Michigan

$28+ Cheap flights from St. Louis (STL) to Michigan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Michigan with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Michigan

Keep the following information in mind while searching for St. Louis to Michigan flight deals. Data was last updated July 3, 2025.

Round-trip from

$58
(FlightHub)

One-way from

$28
(FlightHub)

Popular in

November

Cheapest in

July

Average price

$188

Good round-trip deal

$173 or less

Good one-way deal

$97 or less
From Lambert-St Louis to Michigan
Search Deals
One-way flight from Lambert-St Louis to Michigan
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Michigan.
Search Deals
Price to beat on a one-way flight from Lambert-St Louis to Michigan.
Search Deals

Find flight deals from St. Louis to Michigan

Cheapest flights from St. Louis to Michigan
Explore the most affordable flight options available from St. Louis to Michigan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/152:30 pmSTL - DTW
Nonstop1h 30mSpirit Airlines
Sun 8/171:00 pmDTW - STL
Nonstop1h 32mSpirit Airlines
Deal found 7/2$58
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/298:35 pmSTL - MDW
Nonstop1h 05mSouthwest
Wed 7/309:45 pmMDW - STL
Nonstop1h 10mSouthwest
Deal found 7/2$91
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/97:44 pmSTL - ORD
Nonstop1h 31mAmerican Airlines
Tue 8/127:00 pmORD - STL
Nonstop1h 25mAmerican Airlines
Deal found 7/3$91
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:25 pmSTL - ORD
1 stop7h 05mSouthwest
Tue 8/267:30 amORD - STL
1 stop7h 00mSouthwest
Deal found 7/1$111
This Priceline deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/114:00 pmSTL - ORD
1 stop8h 10mFrontier
Sun 9/145:10 amORD - STL
1 stop9h 54mFrontier
Deal found 7/3$112
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:20 pmSTL - DTW
Nonstop1h 30mSouthwest
Mon 9/298:15 pmDTW - STL
Nonstop1h 35mSouthwest
Deal found 7/1$119
This Expedia deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2110:47 amSTL - DTW
Nonstop1h 29mMultiple Airlines
Thu 7/249:36 amDTW - STL
1 stop4h 58mMultiple Airlines
Deal found 7/2$121
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/318:00 amSTL - ORD
Nonstop1h 25mUnited Airlines
Thu 8/79:20 pmORD - STL
Nonstop1h 25mUnited Airlines
Deal found 7/1$124
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:00 pmSTL - DTW
Nonstop1h 34mDelta
Thu 9/188:55 amDTW - STL
Nonstop1h 38mDelta
Deal found 7/3$128
This Priceline deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/122:52 pmSTL - MDW
1 stop7h 43mFrontier
Sun 7/136:20 amMDW - STL
1 stop7h 14mFrontier
Deal found 7/1$162
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:23 amSTL - DTW
1 stop8h 14mAmerican Airlines
Tue 8/57:31 pmDTW - STL
1 stop5h 28mAmerican Airlines
Deal found 7/2$165
This Jettzy deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/21:00 pmSTL - ORD
1 stop18h 37mSouthern / Mokulele
Mon 8/48:15 amORD - STL
1 stop3h 55mSouthern / Mokulele
Deal found 6/30$165

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from St. Louis to Michigan that are best for you.

Fly from

St. Louis

Fly to

Michigan

Route

Depart

Return

Price

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 8/15

2:30 pm-5:00 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Sun 8/17

1:00 pm-1:32 pm

Nonstop1h 32m

$58

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Tue 7/29

8:35 pm-9:40 pm

Nonstop1h 05m

Chicago Midway

Wed 7/30

9:45 pm-10:55 pm

Nonstop1h 10m

$91

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sat 8/9

7:44 pm-9:15 pm

Nonstop1h 31m

Chicago O'Hare Intl

Tue 8/12

7:00 pm-8:25 pm

Nonstop1h 25m

$91

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 8/12

2:25 pm-9:30 pm

1 stop7h 05m

Chicago O'Hare Intl

Tue 8/26

7:30 am-2:30 pm

1 stop7h 00m

$111

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 9/11

4:00 pm-12:10 am

1 stop8h 10m

Chicago O'Hare Intl

Sun 9/14

5:10 am-3:04 pm

1 stop9h 54m

$112

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 9/25

7:20 pm-9:50 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Mon 9/29

8:15 pm-8:50 pm

Nonstop1h 35m

$119

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 7/21

10:47 am-1:16 pm

Nonstop1h 29m

Detroit Metropolitan Wayne County

Thu 7/24

9:36 am-1:34 pm

1 stop4h 58m

$121

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 7/31

8:00 am-9:25 am

Nonstop1h 25m

Chicago O'Hare Intl

Thu 8/7

9:20 pm-10:45 pm

Nonstop1h 25m

$124

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 9/16

6:00 pm-8:34 pm

Nonstop1h 34m

Detroit Metropolitan Wayne County

Thu 9/18

8:55 am-9:33 am

Nonstop1h 38m

$128

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 8/7

7:32 am-3:16 pm

1 stop6h 44m

Detroit Metropolitan Wayne County

Thu 8/7

7:26 pm-11:55 pm

1 stop5h 29m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from St. Louis to Michigan

Have a flexible travel schedule? Discover the best time to fly to Michigan from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Michigan

What is the cheapest month to book a flight from St. Louis to Michigan?

Currently, April is the cheapest month in which you can book a flight from St. Louis to Michigan (average of $257). Flying from St. Louis to Michigan in March is currently the most expensive (average of $305). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to MI?

Find hourly flight availability from St. Louis to Michigan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

When flying from St. Louis to Michigan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from St. Louis to Michigan

Explore weekly flight availability from St. Louis to Michigan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.

The most flights from STL to USMI are scheduled on a Thursday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Michigan

Get insights into the airlines that provide service to Michigan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Michigan. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from St. Louis to Michigan by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Michigan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Michigan?

    For a flight from St. Louis to Michigan, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • What are the cheapest airlines to fly from St. Louis to Michigan one-way?

    The cheapest airlines for a one-way flight from St. Louis to Michigan are Spirit Airlines ($28), Southwest ($49), and American Airlines ($49).

  • What are the most popular routes from St. Louis to Michigan?

    The most popular route from St. Louis to Michigan is Lambert-St Louis - Chicago O'Hare Intl. You may also consider Lambert-St Louis - Chicago Midway or Lambert-St Louis - Detroit Metropolitan Wayne County.

  • What are the most reliable airlines from St. Louis to Michigan?

    Consider Korean Air (97%), Virgin Atlantic (94%) or Air France (93%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Michigan.

  • What are the cheapest flights from St. Louis to Michigan?

    The cheapest flight price from St. Louis to Michigan is $60. On average you can expect to pay $1,188. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $91.

  • Can I find deals for flights from St. Louis to Michigan that include hotel bookings?

    Yes. In addition to deals on St. Louis to Michigan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Michigan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Michigan.

  • Can I find deals for business class flights from St. Louis to Michigan?

    Yes. Cheapflights offers flight deals from St. Louis to Michigan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Michigan?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Michigan (average of $257). Flying from St. Louis to Michigan in March is currently the most expensive (average of $305). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Michigan

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Seattle flights
St. Louis to Seattle flights
St. Louis to Las Vegas flights
St. Louis to LaGuardia flights
Kansas City to Hobby flights
St. Louis to Newark flights
St. Louis to Denver flights
Kansas City to Denver flights
Kansas City to Las Vegas flights
Kansas City to George Bush Intcntl flights
St. Louis to Miami flights
Kansas City to Boston flights
Kansas City to Los Angeles flights
St. Louis to John F Kennedy Intl flights
Kansas City to Miami flights
Kansas City to O'Hare Intl flights
Kansas City to Newark flights
St. Louis to Orlando flights
Kansas City to John F Kennedy Intl flights
Kansas City to Orlando flights
Kansas City to Dallas/Fort Worth flights
Kansas City to LaGuardia flights
Kansas City to Sky Harbor Intl flights
St. Louis to O'Hare Intl flights
St. Louis to Dallas/Fort Worth flights
St. Louis to Boston flights
Kansas City to Dulles Intl flights
Kansas City to Fort Lauderdale flights
St. Louis to Atlanta flights
St. Louis to Sky Harbor Intl flights
Kansas City to Midway flights
St. Louis to Los Angeles flights
St. Louis to Dulles Intl flights
Kansas City to Atlanta flights
Kansas City to Tampa flights
Kansas City to Minneapolis flights
St. Louis to Minneapolis flights
St. Louis to Fort Lauderdale flights
St. Louis to Honolulu flights
St. Louis to San Francisco flights
Kansas City to San Francisco flights
Kansas City to San Diego flights
Kansas City to Baltimore flights
St. Louis to Hobby flights
St. Louis to Midway flights
Kansas City to Honolulu flights
St. Louis to Baltimore flights
Kansas City to Reagan-National flights
Kansas City to Portland flights
St. Louis to Salt Lake City flights

Top 5 airlines flying from St. Louis to Michigan

Discover the top 5 airlines that operate flights from St. Louis to Michigan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$78FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$149Average$320FlexibilityNo cancel feeOn-time63%
DeltaCheapest$198Average$357FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$347FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$450FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.