Michigan

$40+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Mar 6 — Mar 131
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Cheap 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 February 4, 2026.

This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 5/65:21 pm
STL
-
ORD
Nonstop1h 34m
American Airlines
Wed 5/610:30 pm
ORD
-
STL
Nonstop1h 16m
American Airlines
Deal found 2/3$112
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:55 pm
STL
-
MDW
Nonstop1h 10m
Southwest
Wed 5/138:15 am
MDW
-
STL
Nonstop1h 15m
Southwest
Deal found 2/3$117
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:49 pm
STL
-
ORD
1 stop24h 03m
Frontier
Tue 3/107:41 pm
ORD
-
STL
1 stop14h 56m
Frontier
Deal found 2/3$118
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:35 am
STL
-
MDW
1 stop5h 55m
Southwest
Wed 5/62:35 pm
MDW
-
STL
1 stop5h 25m
Southwest
Deal found 2/3$137
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:09 pm
STL
-
DTW
1 stop16h 58m
Frontier
Mon 3/169:02 am
DTW
-
STL
1 stop5h 32m
Frontier
Deal found 2/2$138
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:45 am
STL
-
ORD
1 stop5h 25m
Southwest
Wed 5/62:40 pm
ORD
-
STL
1 stop7h 20m
Southwest
Deal found 2/3$142
This Frontier deal was found by Cheapflights users on 2/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:17 pm
STL
-
DTW
1 stop10h 50m
Frontier
Wed 2/258:30 am
DTW
-
STL
1 stop8h 23m
Frontier
Deal found 2/4$144
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:55 pm
STL
-
MDW
Nonstop1h 10m
Southwest
Tue 5/510:15 am
MDW
-
STL
Nonstop1h 15m
Southwest
Deal found 2/3$144
This American Airlines deal was found by Cheapflights users on 2/4. 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 4/2212:25 pm
STL
-
ORD
Nonstop1h 24m
American Airlines
Sat 4/256:59 am
ORD
-
STL
Nonstop1h 25m
American Airlines
Deal found 2/4$144
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/61:09 pm
STL
-
DTW
1 stop18h 38m
Frontier
Mon 3/99:02 am
DTW
-
STL
1 stop5h 17m
Frontier
Deal found 2/2$147
This Priceline deal was found by Cheapflights users on 2/3. 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.
Mon 3/21:54 pm
STL
-
DTW
1 stop9h 01m
Frontier
Wed 3/48:30 am
DTW
-
STL
1 stop8h 23m
Frontier
Deal found 2/3$148
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:49 pm
STL
-
DTW
2 stops39h 00m
Multiple Airlines
Tue 3/1011:54 am
DTW
-
STL
1 stop22h 55m
Multiple Airlines
Deal found 2/3$157

Find 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$112
(American Airlines)

One-way from

$40
(Southwest)

Popular in

January

Cheapest in

August

Average price

$385

Good round-trip deal

$425 or less

Good one-way deal

$233 or less
Provider with most accurate pricing for Lambert-St Louis-Detroit (DTT) flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Detroit (DTT) flights.
From Lambert-St Louis to Michigan
One-way flight from Lambert-St Louis to Michigan
Highest demand for flights based on searches. 21% potential increase in price ($80 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Lambert-St Louis to Michigan.
Price to beat on a one-way flight from Lambert-St Louis to Michigan.

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 February 4, 2026.
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. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sat 5/2

5:21 pm-6:55 pm

Nonstop1h 34m

Chicago O'Hare Intl

Tue 5/5

8:53 pm-10:17 pm

Nonstop1h 24m

$144

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 4/22

5:45 am-11:10 am

1 stop5h 25m

Chicago O'Hare Intl

Sat 4/25

1:55 pm-7:10 pm

1 stop5h 15m

$164

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sat 5/2

10:55 am-3:30 pm

1 stop4h 35m

Chicago O'Hare Intl

Tue 5/5

2:40 pm-10:00 pm

1 stop7h 20m

$169

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sat 5/2

6:20 am-12:49 pm

2 stops6h 29m

Chicago O'Hare Intl

Tue 5/5

5:04 pm-11:13 pm

2 stops6h 09m

$184

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 3/23

12:16 pm-10:37 pm

1 stop9h 21m

Detroit Metropolitan Wayne County

Wed 3/25

5:34 pm-10:31 am

1 stop17h 57m

$188

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 3/16

8:10 pm-9:52 am

1 stop12h 42m

Detroit Metropolitan Wayne County

Fri 3/20

6:05 am-1:34 pm

1 stop8h 29m

$189

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 4/7

4:54 pm-8:02 am

2 stops14h 08m

Detroit Metropolitan Wayne County

Sat 4/11

7:35 pm-10:30 am

1 stop15h 55m

$205

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 4/7

6:45 pm-9:15 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Sat 4/11

7:20 am-8:00 am

Nonstop1h 40m

$206

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 2/16

8:22 pm-1:30 pm

1 stop16h 08m

Detroit Metropolitan Wayne County

Wed 2/18

8:30 am-3:53 pm

1 stop8h 23m

$237

St. LouisKalamazoo

STL - AZO

STLAZO

Lambert-St Louis

Fri 2/27

5:50 pm-11:54 pm

1 stop5h 04m

Kalamazoo Intl

Tue 3/3

5:23 am-9:32 am

1 stop5h 09m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 60 results
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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, June is the cheapest month in which you can book a flight from St. Louis to Michigan (average of $48). Flying from St. Louis to Michigan in December is currently the most expensive (average of $239). 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 February 4, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 67% on flights from St. Louis to Michigan by exploring options for tickets in the evening.

What is the cheapest day to fly from St. Louis to Michigan?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Michigan. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their St. Louis to Michigan flight should consider departing on Thursday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 February 4, 2026.

The most flights from STL to USMI are scheduled on a Tuesday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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 February 4, 2026.
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.

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from St. Louis to Michigan?

    Airlines like American Airlines, Southwest, and Delta fly from St. Louis to Michigan in about 1h 34m. The time it takes to get you to your destination can typically vary by up to 4h 55m. There are 258 mi between St. Louis and Michigan. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 ($30), Southwest ($60), and Delta ($65).

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

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

    Consider Aeromexico (100%), Endeavor Airlines (100%) or Korean Air (87%) 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 $158. On average you can expect to pay $923. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $117.

  • 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, June is the cheapest month in which you can book a flight from St. Louis to Michigan (average of $48). Flying from St. Louis to Michigan in December is currently the most expensive (average of $239). 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

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Alternative routes for St. Louis to Michigan

See prices for flight routes from nearby airports that may be better suited for you.

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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$78FlexibilityNo cancel feeOn-time65%
DeltaCheapest$75Average$358FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$119Average$290FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$182Average$318FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$200Average$522FlexibilityNo cancel feeOn-time69%

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