Michigan

$64+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Feb 6 — Feb 131
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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 January 7, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$134
(Kiwi.com)

One-way from

$64
(Priceline)

Popular in

February

Cheapest in

August

Average price

$345

Good round-trip deal

$404 or less

Good one-way deal

$278 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. 18% potential increase in price ($61 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in January 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.

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 January 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Sun 2/19:09 amSTL - ORD
1 stop25h 32mMultiple Airlines
Tue 2/310:48 amORD - STL
1 stop12h 45mMultiple Airlines
Deal found 1/6$134
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/35:42 pmSTL - ORD
1 stop28h 02mMultiple Airlines
Tue 2/1012:44 pmORD - STL
1 stop9h 43mMultiple Airlines
Deal found 1/6$135
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/68:22 pmSTL - DTW
1 stop12h 58mMultiple Airlines
Tue 2/108:30 amDTW - STL
1 stop30h 28mMultiple Airlines
Deal found 1/6$141
This Kiwi.com deal was found by Cheapflights users on 1/5. 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.
Wed 2/43:46 pmSTL - ORD
1 stop26h 45mFrontier
Wed 2/118:30 amORD - STL
1 stop13h 57mFrontier
Deal found 1/5$141
This Frontier deal was found by Cheapflights users on 1/6. 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.
Sat 2/142:51 pmSTL - DTW
1 stop8h 04mFrontier
Wed 2/188:30 amDTW - STL
1 stop8h 23mFrontier
Deal found 1/6$144
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 1/265:42 pmSTL - ORD
1 stop19h 31mMultiple Airlines
Wed 1/2810:48 amORD - STL
1 stop12h 45mMultiple Airlines
Deal found 1/5$152
This Frontier deal was found by Cheapflights users on 1/6. 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.
Thu 1/295:42 pmSTL - ORD
1 stop16h 53mFrontier
Mon 2/211:51 amORD - STL
1 stop11h 42mFrontier
Deal found 1/6$160
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Sat 2/282:51 pmSTL - DTW
1 stop8h 04mMultiple Airlines
Sun 3/82:35 pmDTW - STL
1 stop23h 44mMultiple Airlines
Deal found 1/6$162
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Sun 1/255:42 pmSTL - ORD
2 stops24h 47mMultiple Airlines
Tue 1/2710:48 amORD - STL
1 stop12h 45mMultiple Airlines
Deal found 1/6$165
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 1/3011:18 amSTL - DTW
1 stop7h 28mFrontier
Mon 2/23:14 pmDTW - STL
1 stop9h 19mFrontier
Deal found 1/5$167
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/28:22 pmSTL - ORD
2 stops15h 00mMultiple Airlines
Wed 2/410:48 amORD - STL
1 stop12h 45mMultiple Airlines
Deal found 1/7$167
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 1/305:42 pmSTL - DTW
2 stops26h 21mMultiple Airlines
Mon 2/23:14 pmDTW - STL
1 stop9h 19mMultiple Airlines
Deal found 1/5$168

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 January 7, 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

Wed 2/4

3:46 pm-6:31 pm

1 stop26h 45m

Chicago O'Hare Intl

Wed 2/11

6:02 pm-11:59 pm

2 stops29h 57m

$169

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 2/2

8:05 am-9:40 am

Nonstop1h 35m

Chicago O'Hare Intl

Wed 2/4

1:00 pm-2:30 pm

Nonstop1h 30m

$180

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 2/4

5:55 pm-7:05 pm

Nonstop1h 10m

Chicago Midway

Wed 2/11

7:45 pm-9:00 pm

Nonstop1h 15m

$185

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 2/2

5:42 pm-10:54 am

1 stop16h 12m

Detroit Metropolitan Wayne County

Thu 2/5

6:00 am-11:33 pm

2 stops18h 33m

$192

St. LouisGrand Rapids

STL - GRR

STLGRR

Lambert-St Louis

Tue 2/17

3:40 pm-10:47 pm

1 stop6h 07m

Grand Rapids Gerald R. Ford Intl

Wed 2/18

7:00 am-10:43 am

1 stop4h 43m

$195

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 2/4

11:23 am-6:36 pm

1 stop7h 13m

Chicago Midway

Wed 2/11

7:16 pm-11:25 pm

1 stop4h 09m

$199

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 2/10

10:19 am-4:57 pm

1 stop6h 38m

Chicago O'Hare Intl

Wed 2/11

5:30 am-11:54 am

1 stop6h 24m

$199

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Mon 2/2

6:10 am-1:06 pm

1 stop6h 56m

Chicago Midway

Wed 2/4

9:53 am-4:45 pm

1 stop6h 52m

$200

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Tue 3/10

7:03 am-12:02 pm

1 stop4h 59m

Chicago Midway

Thu 3/12

7:20 pm-11:15 pm

1 stop3h 55m

$200

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Mon 2/9

11:23 am-6:36 pm

1 stop7h 13m

Chicago Midway

Wed 2/11

6:00 am-11:54 am

1 stop5h 54m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

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 February is currently the most expensive (average of $262). 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 January 7, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 69% 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 3, 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 January 7, 2026.

The most flights from STL to USMI are scheduled on a Tuesday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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 January 7, 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.

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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 Frontier, United Airlines, and Southwest fly from St. Louis to Michigan in about 1h 10m. The time it takes to get you to your destination can typically vary by up to 25h 35m. There are 251 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 Endeavor Airlines (100%), Korean Air (82%) or WestJet (81%) 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 $168. On average you can expect to pay $548. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $134.

  • 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 February is currently the most expensive (average of $262). 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 January 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$41Average$80FlexibilityNo cancel feeOn-time65%
DeltaCheapest$119Average$353FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$119Average$294FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$182Average$327FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$200Average$522FlexibilityNo cancel feeOn-time69%

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