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$48+ 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$97
(United Airlines)

One-way from

$48
(Kiwi.com)

Popular in

October

Cheapest in

August

Average price

$352

Good round-trip deal

$360 or less

Good one-way deal

$233 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. 19% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:05 amSTL - ORD
Nonstop1h 35mUnited Airlines
Thu 1/15:50 pmORD - STL
Nonstop1h 28mUnited Airlines
Deal found 11/4$97
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:27 pmSTL - ORD
Nonstop1h 23mUnited Airlines
Sun 12/71:00 pmORD - STL
Nonstop1h 25mUnited Airlines
Deal found 11/5$101
This Frontier deal was found by Cheapflights users on 11/6. 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 12/412:04 pmSTL - MDW
1 stop10h 08mFrontier
Mon 12/83:10 pmMDW - STL
1 stop7h 23mFrontier
Deal found 11/6$110
This Frontier deal was found by Cheapflights users on 11/6. 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 12/412:04 pmSTL - ORD
1 stop5h 23mFrontier
Mon 12/82:26 pmORD - STL
1 stop8h 07mFrontier
Deal found 11/6$110
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Thu 12/1112:04 pmSTL - ORD
1 stop5h 23mFrontier
Wed 12/2412:39 pmORD - STL
1 stop21h 01mFrontier
Deal found 11/6$112
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:05 amSTL - ORD
Nonstop1h 30mAmerican Airlines
Wed 12/103:23 pmORD - STL
Nonstop1h 27mAmerican Airlines
Deal found 11/5$117
This Southwest deal was found by Cheapflights users on 11/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:25 amSTL - ORD
1 stop3h 50mSouthwest
Tue 1/61:45 pmORD - STL
1 stop5h 00mSouthwest
Deal found 11/6$121
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Thu 12/412:04 pmSTL - ORD
1 stop5h 23mFrontier
Fri 12/57:00 amORD - STL
1 stop27h 14mFrontier
Deal found 11/6$129
This Frontier deal was found by Cheapflights users on 11/6. 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 12/1112:04 pmSTL - ORD
1 stop5h 23mFrontier
Mon 12/152:26 pmORD - STL
1 stop8h 07mFrontier
Deal found 11/6$130
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:30 pmSTL - DTW
1 stop15h 50mFrontier
Sun 12/76:12 pmDTW - STL
1 stop15h 47mFrontier
Deal found 11/4$133
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Thu 12/1112:04 pmSTL - MDW
1 stop6h 04mFrontier
Sun 12/146:15 amMDW - STL
1 stop27h 37mFrontier
Deal found 11/5$135
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:43 pmSTL - DTW
1 stop14h 42mFrontier
Fri 12/55:20 pmDTW - STL
1 stop17h 54mFrontier
Deal found 11/4$137

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 November 6, 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. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 12/25

8:05 am-9:40 am

Nonstop1h 35m

Chicago O'Hare Intl

Thu 1/1

5:50 pm-7:18 pm

Nonstop1h 28m

$97

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sun 12/7

5:15 am-6:39 am

Nonstop1h 24m

Chicago O'Hare Intl

Thu 12/11

1:22 pm-2:50 pm

Nonstop1h 28m

$101

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 12/16

8:25 am-12:15 pm

1 stop3h 50m

Chicago O'Hare Intl

Tue 12/16

2:15 pm-9:35 pm

1 stop7h 20m

$137

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Tue 12/16

1:50 pm-2:55 pm

Nonstop1h 05m

Chicago Midway

Sat 1/10

9:50 am-5:00 pm

1 stop7h 10m

$154

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Mon 1/5

6:35 am-12:48 pm

1 stop6h 13m

Chicago Midway

Tue 1/13

7:16 pm-11:25 pm

1 stop4h 09m

$157

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 12/3

5:28 pm-11:47 pm

1 stop6h 19m

Chicago Midway

Wed 12/10

10:49 am-4:21 pm

1 stop5h 32m

$157

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Fri 12/5

7:02 pm-11:47 pm

1 stop4h 45m

Chicago Midway

Fri 12/12

7:02 pm-11:29 pm

1 stop4h 27m

$157

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 12/11

7:00 am-8:10 am

Nonstop1h 10m

Chicago Midway

Mon 12/15

11:25 am-12:35 pm

Nonstop1h 10m

$157

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Fri 12/5

5:12 pm-11:47 pm

1 stop6h 35m

Chicago Midway

Sun 12/7

6:00 am-10:45 am

1 stop4h 45m

$157

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Fri 12/5

2:38 pm-6:27 pm

1 stop3h 49m

Chicago O'Hare Intl

Sun 12/7

5:30 am-10:45 am

1 stop5h 15m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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 $252). 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 November 6, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 47% 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 December 16, 2024.

Travelers seeking maximum savings on their St. Louis to Michigan flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday 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 November 6, 2025.

The most flights from STL to USMI are scheduled on a Thursday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 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 November 6, 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
4,241 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,001 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,007 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,040 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,122 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 United Airlines, American Airlines, and Southwest fly from St. Louis to Michigan in about 1h 24m. The time it takes to get you to your destination can typically vary by up to 2h 26m. 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 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 Endeavor Airlines (100%), Air France (97%) or WestJet (97%) 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 $159. On average you can expect to pay $460. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $97.

  • 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 $252). 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$41Average$80FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$119Average$307FlexibilityNo cancel feeOn-time63%
DeltaCheapest$121Average$372FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$182Average$328FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$200Average$485FlexibilityNo cancel feeOn-time69%

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