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$38+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
May 19 — May 261
Mon 5/19
Mon 5/26
1 adult, Economy
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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 May 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$60
(Booking.com)

One-way from

$38
(FlightHub)

Popular in

November

Cheapest in

April

Average price

$298

Good round-trip deal

$311 or less

Good one-way deal

$164 or less
Provider with most accurate pricing for Lambert-St Louis-Detroit (DTT) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Detroit (DTT) flights.
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From Lambert-St Louis to Michigan
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One-way flight from Lambert-St Louis to Michigan
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Highest demand for flights based on searches. 5% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Michigan.
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Price to beat on a one-way flight from Lambert-St Louis to Michigan.
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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 May 14, 2025.

This FlightHub deal was found by Cheapflights users on 5/13. 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 8/158:44 amSTL - DTW
Nonstop1h 37mSpirit Airlines
Sun 8/177:00 amDTW - STL
Nonstop1h 49mSpirit Airlines
Deal found 5/13$78
This Booking.com deal was found by Cheapflights users on 5/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/105:35 pmSTL - DTW
1 stop18h 18mMultiple Airlines
Sun 6/224:33 pmDTW - STL
Nonstop1h 31mMultiple Airlines
Deal found 5/12$121
This Southwest deal was found by Cheapflights users on 5/13. 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.
Mon 6/95:05 amSTL - ORD
1 stop5h 40mSouthwest
Wed 6/117:30 amORD - STL
1 stop5h 50mSouthwest
Deal found 5/13$134
This Southern / Mokulele deal was found by Cheapflights users on 5/13. 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/512:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Fri 6/68:25 amORD - STL
1 stop11h 45mSouthern / Mokulele
Deal found 5/13$140
This Southwest deal was found by Cheapflights users on 5/13. 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.
Sun 7/138:15 amSTL - DTW
Nonstop1h 30mSouthwest
Fri 7/189:10 pmDTW - STL
Nonstop1h 35mSouthwest
Deal found 5/13$150
This Southwest deal was found by Cheapflights users on 5/13. 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 6/55:25 amSTL - MDW
Nonstop1h 10mSouthwest
Mon 6/95:25 amMDW - STL
Nonstop1h 10mSouthwest
Deal found 5/13$151
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 6/58:05 pmSTL - ORD
Nonstop1h 24mAmerican Airlines
Mon 6/910:38 pmORD - STL
Nonstop1h 16mAmerican Airlines
Deal found 5/13$151
This CheapOair deal was found by Cheapflights users on 5/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/45:45 pmSTL - ORD
1 stop6h 51mMultiple Airlines
Mon 6/98:25 amORD - STL
1 stop11h 45mMultiple Airlines
Deal found 5/12$158
This Delta deal was found by Cheapflights users on 5/12. 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.
Sun 6/156:40 amSTL - DTW
Nonstop1h 37mDelta
Tue 6/178:00 pmDTW - STL
Nonstop1h 40mDelta
Deal found 5/12$160
This Frontier deal was found by Cheapflights users on 5/11. 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 8/142:36 pmSTL - MDW
1 stop8h 41mFrontier
Sun 8/176:20 amMDW - STL
1 stop7h 14mFrontier
Deal found 5/11$160
This Frontier deal was found by Cheapflights users on 5/11. 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 8/142:36 pmSTL - ORD
1 stop9h 46mFrontier
Sun 8/175:01 amORD - STL
1 stop8h 33mFrontier
Deal found 5/11$160
This Booking.com deal was found by Cheapflights users on 5/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/67:24 pmSTL - DTW
1 stop22h 01mFrontier
Sun 6/812:51 pmDTW - STL
1 stop11h 46mFrontier
Deal found 5/12$170

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 May 14, 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

Thu 6/12

6:36 pm-9:04 pm

Nonstop1h 28m

Detroit Metropolitan Wayne County

Thu 6/19

4:33 pm-5:04 pm

Nonstop1h 31m

$60

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 6/10

5:35 pm-12:53 pm

1 stop18h 18m

Detroit Metropolitan Wayne County

Sun 6/22

4:33 pm-5:04 pm

Nonstop1h 31m

$121

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 6/9

5:05 am-10:45 am

1 stop5h 40m

Chicago O'Hare Intl

Wed 6/11

7:30 am-1:20 pm

1 stop5h 50m

$134

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 6/5

12:15 pm-3:50 pm

1 stop3h 35m

Chicago O'Hare Intl

Fri 6/6

8:25 am-8:10 pm

1 stop11h 45m

$140

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sun 7/13

8:15 am-10:45 am

Nonstop1h 30m

Detroit Metropolitan Wayne County

Fri 7/18

9:10 pm-9:45 pm

Nonstop1h 35m

$150

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 6/5

8:05 pm-9:29 pm

Nonstop1h 24m

Chicago O'Hare Intl

Mon 6/9

10:38 pm-11:54 pm

Nonstop1h 16m

$151

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 6/5

8:20 pm-9:25 pm

Nonstop1h 05m

Chicago Midway

Mon 6/9

7:35 am-8:45 am

Nonstop1h 10m

$151

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 6/4

5:45 pm-12:36 am

1 stop6h 51m

Chicago O'Hare Intl

Mon 6/9

8:25 am-8:10 pm

1 stop11h 45m

$158

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sun 6/15

6:40 am-9:17 am

Nonstop1h 37m

Detroit Metropolitan Wayne County

Tue 6/17

8:00 pm-8:40 pm

Nonstop1h 40m

$160

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 6/10

5:35 pm-12:10 am

1 stop6h 35m

Chicago O'Hare Intl

Tue 6/17

11:28 am-11:53 pm

1 stop12h 25m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

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, 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 May 14, 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 May 14, 2025.

The most flights from STL to USMI are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in Michigan by month

Plan your trip to Michigan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Michigan ranges from 1.8 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Michigan when rainfall is around 1.8 in.

Temperature in Michigan by month

Plan your trip to Michigan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Michigan, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 May 14, 2025.
To help decide which airline to fly from St. Louis to Michigan, see what other customers have to say about Southwest, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,290 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,290 reviews
Southwest
8.0
Very good
4,290 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,949 reviews
Southwest
8.0
Very good
4,290 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,726 reviews
Southwest
8.0
Very good
4,290 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,290 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 ($38), Southwest ($39), and United Airlines ($39).

  • 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 - Detroit Metropolitan Wayne County or Lambert-St Louis - Chicago Midway.

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

    Consider Aeromexico (100%), Korean Air (95%) or SkyWest Airlines (90%) 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 $112. On average you can expect to pay $871. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $140.

  • 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

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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.
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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 May 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$209FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$201Average$352FlexibilityNo cancel feeOn-time71%
DeltaCheapest$213Average$362FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$225Average$334FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$248Average$354FlexibilityNo cancel feeOn-time69%

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