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

The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Spirit Airlines and United Airlines, as they are both options that can get you from Michigan to St. Louis for a low price.

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

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

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

Looking for the cheapest flight from Michigan to St. Louis? While on average our users pay $291, our data indicates the cheapest price to be $62. The most popular route (Chicago O'Hare Intl - Lambert-St Louis), is priced around $77.

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

No one likes to see their flight delayed. When booking a flight from Michigan to St. Louis consider choosing Aeromexico (91%), SkyWest Airlines (90%) or Southwest (89%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Michigan to St. Louis?

American Airlines, Delta and Frontier are the most popular airlines when flying from Michigan to St. Louis.

How far in advance should I book a flight from Michigan to St. Louis?

To save on the cost of your flight from Michigan to St. Louis, book at least 38 days before your planned departure. Booking around this time can save you about 69% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $286 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $582.

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

Flights from Michigan to St. Louis lean towards being more expensive in September. Prices are generally better when you fly from Michigan to St. Louis in March, with the cheapest ticket starting at $245.

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

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

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

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

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

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

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

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

$49+ Flights from Michigan to St. Louis

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Cheap flight deals from Michigan to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$91 (American Airlines)
One-way from	$49 (Southwest)
Popular in	September
Cheapest in	March
Average price	$320
Good round-trip deal	$271 or less
Good one-way deal	$179 or less

Provider with most accurate pricing for Detroit (DTT)-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Detroit (DTT)-Lambert-St Louis flights.

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From Michigan to Lambert-St Louis

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One-way flight from Michigan to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($26 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 April 2025

Search Deals

Price to beat on a round-trip flight from Michigan to Lambert-St Louis.

Search Deals

Price to beat on a one-way flight from Michigan to Lambert-St Louis.

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Find flight deals from Michigan to St. Louis

Cheapest flights from Michigan to St. Louis
Explore the most affordable flight options available from Michigan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Thu 5/1510:30 pmORD - STL

Nonstop1h 21mAmerican Airlines

Mon 5/197:30 pmSTL - ORD

Nonstop1h 20mAmerican Airlines

Deal found 4/23

$91

Thu 5/155:45 amMDW - STL

1 stop5h 00mSouthwest

Mon 5/194:10 pmSTL - MDW

1 stop3h 50mSouthwest

Deal found 4/23

$97

Wed 5/214:00 pmORD - STL

1 stop6h 10mSouthwest

Wed 5/282:20 pmSTL - ORD

1 stop7h 10mSouthwest

Deal found 4/23

$97

Thu 5/152:20 pmORD - STL

Nonstop1h 27mUnited Airlines

Mon 5/199:40 amSTL - ORD

Nonstop1h 30mUnited Airlines

Deal found 4/23

$137

Thu 5/158:25 amORD - STL

1 stop11h 45mSouthern / Mokulele

Sun 5/1812:15 pmSTL - ORD

1 stop19h 25mSouthern / Mokulele

Deal found 4/23

$140

Wed 6/45:03 pmORD - STL

1 stop6h 34mFrontier

Wed 6/115:35 pmSTL - ORD

1 stop13h 34mFrontier

Deal found 4/22

$162

Tue 6/32:44 pmMDW - STL

1 stop19h 24mFrontier

Wed 6/48:11 pmSTL - MDW

1 stop24h 42mFrontier

Deal found 4/23

$163

Wed 6/410:25 amMDW - STL

1 stop4h 10mDelta

Wed 6/116:00 amSTL - MDW

1 stop5h 59mDelta

Deal found 4/22

$177

Wed 6/117:10 amORD - STL

1 stop5h 25mDelta

Thu 6/127:10 pmSTL - ORD

1 stop4h 49mDelta

Deal found 4/23

$177

Tue 7/14:05 pmGRR - STL

1 stop5h 25mDelta

Mon 7/75:45 pmSTL - GRR

1 stop4h 55mDelta

Deal found 4/23

$197

Sat 4/2610:26 amGRR - STL

1 stop14h 38mFrontier

Sun 4/275:41 pmSTL - GRR

1 stop14h 45mFrontier

Deal found 4/21

$198

Sun 6/2912:05 pmORD - STL

1 stop4h 40mMultiple Airlines

Sat 7/52:52 pmSTL - ORD

1 stop9h 30mMultiple Airlines

Deal found 4/23

$198

Best flights from Michigan to St. Louis
Discover carefully curated flight deals from Michigan to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Tue 5/131:59 pmORD - STL

Nonstop1h 22mAmerican Airlines

Tue 5/137:30 pmSTL - ORD

Nonstop1h 20mAmerican Airlines

Deal found 4/22

$91

Thu 5/155:45 amMDW - STL

1 stop5h 00mSouthwest

Mon 5/194:10 pmSTL - MDW

1 stop3h 50mSouthwest

Deal found 4/23

$97

Thu 5/152:20 pmORD - STL

Nonstop1h 27mUnited Airlines

Mon 5/199:40 amSTL - ORD

Nonstop1h 30mUnited Airlines

Deal found 4/23

$137

Fri 5/238:25 amORD - STL

1 stop11h 45mSouthern / Mokulele

Sun 5/2512:15 pmSTL - ORD

1 stop3h 35mSouthern / Mokulele

Deal found 4/21

$140

Wed 6/45:03 pmORD - STL

1 stop6h 34mFrontier

Wed 6/115:35 pmSTL - ORD

1 stop13h 34mFrontier

Deal found 4/22

$162

Sat 5/245:03 pmORD - STL

1 stop6h 41mMultiple Airlines

Sun 5/2512:15 pmSTL - ORD

1 stop19h 25mMultiple Airlines

Deal found 4/23

$164

Wed 6/410:25 amMDW - STL

1 stop4h 10mDelta

Wed 6/112:15 pmSTL - MDW

1 stop4h 26mDelta

Deal found 4/22

$177

Wed 5/215:45 pmORD - STL

1 stop5h 15mSouthwest

Wed 5/285:20 amSTL - ORD

1 stop5h 25mSouthwest

Deal found 4/22

$97

Thu 6/121:10 pmDTW - STL

3 stops22h 23mSpirit Airlines

Sun 6/156:12 pmSTL - DTW

Nonstop1h 28mSpirit Airlines

Deal found 4/23

$265

Tue 6/32:44 pmMDW - STL

1 stop19h 24mFrontier

Wed 6/48:11 pmSTL - MDW

1 stop24h 42mFrontier

Deal found 4/23

$163

Mon 4/281:10 pmORD - STL

1 stop3h 35mAlaska Airlines

Fri 5/95:00 amSTL - ORD

Nonstop1h 19mAlaska Airlines

Deal found 4/23

$345

Wed 6/117:10 amORD - STL

1 stop5h 25mDelta

Thu 6/127:10 pmSTL - ORD

1 stop4h 49mDelta

Deal found 4/23

$177

Last-minute flights from Michigan to St. Louis
Discover last-minute flight deals from Michigan to St. Louis. Data last updated April 24, 2025 and is based on user searches.

Sat 4/2610:26 amGRR - STL

1 stop14h 38mFrontier

Sun 4/275:41 pmSTL - GRR

1 stop14h 45mFrontier

Deal found 4/21

$198

Mon 4/281:26 pmMDW - STL

1 stop10h 38mFrontier

Wed 4/305:41 pmSTL - MDW

1 stop18h 43mFrontier

Deal found 4/22

$191

Mon 4/281:10 pmORD - STL

1 stop3h 35mAlaska Airlines

Fri 5/95:00 amSTL - ORD

Nonstop1h 19mAlaska Airlines

Deal found 4/23

$345

Tue 4/296:00 amTVC - STL

1 stop7h 53mAmerican Airlines

Wed 4/305:45 amSTL - TVC

1 stop3h 30mAmerican Airlines

Deal found 4/22

$401

Wed 4/3011:50 amGRR - STL

1 stop3h 52mUnited Airlines

Sat 5/36:30 amSTL - GRR

1 stop5h 15mUnited Airlines

Deal found 4/22

$475

Thu 5/18:25 amORD - STL

1 stop11h 45mSouthern / Mokulele

Fri 5/21:00 pmSTL - ORD

1 stop18h 37mSouthern / Mokulele

Deal found 4/22

$197

Thu 5/17:30 amFNT - STL

1 stop4h 33mUnited Airlines

Mon 5/58:00 amSTL - FNT

1 stop4h 01mUnited Airlines

Deal found 4/23

$269

Thu 5/15:45 amFNT - STL

2 stops10h 28mAmerican Airlines

Mon 5/510:31 amSTL - FNT

1 stop3h 56mAmerican Airlines

Deal found 4/23

$274

Thu 5/17:55 amSBN - STL

1 stop4h 08mUnited Airlines

Sun 5/45:29 pmSTL - SBN

1 stop3h 13mUnited Airlines

Deal found 4/22

$354

Fri 5/22:33 pmDTW - STL

1 stop20h 26mFrontier

Sun 5/45:45 pmSTL - DTW

1 stop23h 15mFrontier

Deal found 4/23

$230

Fri 5/25:21 pmORD - STL

1 stop16h 38mMultiple Airlines

Tue 5/61:00 pmSTL - ORD

1 stop18h 37mMultiple Airlines

Deal found 4/23

$234

Fri 5/27:40 pmGRR - STL

1 stop3h 20mSouthwest

Tue 5/67:10 amSTL - GRR

1 stop3h 50mSouthwest

Deal found 4/22

$447

One-way flights from Michigan to St. Louis
Search for one-way flight options from Michigan to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Thu 5/155:45 amMDW - STL

1 stop5h 00mSouthwest

Deal found 4/23

$49

Thu 6/195:45 pmORD - STL

1 stop6h 50mSouthwest

Deal found 4/22

$49

Thu 6/124:33 pmDTW - STL

Nonstop1h 31mSpirit Airlines

Deal found 4/23

$58

Mon 6/22:06 pmORD - STL

Nonstop1h 24mUnited Airlines

Deal found 4/22

$68

Thu 5/158:25 amORD - STL

1 stop11h 45mSouthern / Mokulele

Deal found 4/23

$73

Sat 6/77:03 pmORD - STL

Nonstop1h 27mAmerican Airlines

Deal found 4/23

$76

Sat 6/146:20 amMDW - STL

1 stop7h 47mFrontier

Deal found 4/23

$81

Thu 5/154:15 pmORD - STL

1 stop7h 51mFrontier

Deal found 4/22

$81

Sat 5/243:19 pmDTW - STL

1 stop9h 25mFrontier

Deal found 4/24

$89

Wed 5/219:16 amMDW - STL

1 stop4h 03mDelta

Deal found 4/23

$89

Thu 6/265:35 amORD - STL

1 stop7h 00mDelta

Deal found 4/22

$89

Tue 6/105:27 amDTW - STL

1 stop8h 24mAmerican Airlines

Deal found 4/23

$91

Cheapflights Fare Finder

Use the filters below to find and compare flights from Michigan to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Tue 5/13

1:59 pm-3:21 pm

Nonstop1h 22m

Lambert-St Louis

Tue 5/13

7:30 pm-8:50 pm

Nonstop1h 20m

$91

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 5/15

5:45 am-10:45 am

1 stop5h 00m

Lambert-St Louis

Mon 5/19

4:10 pm-8:00 pm

1 stop3h 50m

$97

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 5/21

5:45 pm-11:00 pm

1 stop5h 15m

Lambert-St Louis

Wed 5/28

5:20 am-10:45 am

1 stop5h 25m

$97

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 5/15

2:20 pm-3:47 pm

Nonstop1h 27m

Lambert-St Louis

Mon 5/19

9:40 am-11:10 am

Nonstop1h 30m

$137

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Fri 5/23

8:25 am-8:10 pm

1 stop11h 45m

Lambert-St Louis

Sun 5/25

12:15 pm-3:50 pm

1 stop3h 35m

$140

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 6/4

5:03 pm-11:37 pm

1 stop6h 34m

Lambert-St Louis

Wed 6/11

5:35 pm-7:09 am

1 stop13h 34m

$162

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 6/3

2:44 pm-10:08 am

1 stop19h 24m

Lambert-St Louis

Wed 6/4

8:11 pm-8:53 pm

1 stop24h 42m

$163

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sat 5/24

5:03 pm-11:44 pm

1 stop6h 41m

Lambert-St Louis

Sun 5/25

12:15 pm-7:40 am

1 stop19h 25m

$164

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 6/4

10:25 am-2:35 pm

1 stop4h 10m

Lambert-St Louis

Wed 6/11

6:00 am-11:59 am

1 stop5h 59m

$177

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 6/11

7:10 am-12:35 pm

1 stop5h 25m

Lambert-St Louis

Thu 6/12

7:10 pm-11:59 pm

1 stop4h 49m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 60 results

...

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Michigan 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 Michigan to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Michigan to St. Louis (average of $311). Flying from Michigan to St. Louis in March is currently the most expensive (average of $356). 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 MI to STL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Michigan to St. Louis as you normally would.

Weekly flight availability from Michigan to St. Louis

The most flights from USMI to STL are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Michigan to St. Louis have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,918 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,286 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,685 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What airport do you fly into for flights to St. Louis from Michigan?
For a flight from Michigan to St. Louis, you will be flying into 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 Michigan to St. Louis one-way?
The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Spirit Airlines and United Airlines, as they are both options that can get you from Michigan to St. Louis for a low price.
What are the most popular routes from Michigan to St. Louis?
The most popular route from Michigan to St. Louis is Chicago O'Hare Intl - Lambert-St Louis. You may also consider Detroit Metropolitan Wayne County - Lambert-St Louis or Chicago Midway - Lambert-St Louis.
What are the most reliable airlines from Michigan to St. Louis?
No one likes to see their flight delayed. When booking a flight from Michigan to St. Louis consider choosing Aeromexico (91%), SkyWest Airlines (90%) or Southwest (89%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Michigan to St. Louis?
Looking for the cheapest flight from Michigan to St. Louis? While on average our users pay $291, our data indicates the cheapest price to be $62. The most popular route (Chicago O'Hare Intl - Lambert-St Louis), is priced around $77.
Can I find deals for flights from Michigan to St. Louis that include hotel bookings?
Yes. In addition to deals on Michigan to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Michigan to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Michigan to St. Louis.
Can I find deals for business class flights from Michigan to St. Louis?
Yes. Cheapflights offers flight deals from Michigan to St. Louis 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 Michigan to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Michigan to St. Louis (average of $311). Flying from Michigan to St. Louis in March is currently the most expensive (average of $356). 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

Fenton

Maryland Heights

Fairview Heights

Collinsville

Wentzville

Eureka

St. Peters

Festus

Glencoe

Alton

Farmington

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Michigan to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$124	Average$200	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$179	Average$344	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$216	Average$316	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$231	Average$309	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$231	Average$388	FlexibilityNo cancel fee	On-time69%

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$49+ Cheap flights from Michigan to St. Louis (STL)

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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Michigan to St. Louis with Cheapflights

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Cheap flight deals from Michigan to St. Louis

Keep the following information in mind while searching for Michigan to St. Louis flight deals. Data was last updated April 24, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Michigan to St. Louis

Cheapest flights from Michigan to St. LouisExplore the most affordable flight options available from Michigan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Explore the most affordable flight options available from Michigan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Michigan to St. Louis that are best for you.

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Michigan with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from Michigan to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

Weekly flight availability from Michigan to St. Louis

Explore weekly flight availability from Michigan to St. Louis. 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 April 24, 2025.

Rainfall in St. Louis by month

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

Temperature in St. Louis by month

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

Reviews of airlines servicing St. Louis

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Michigan to St. Louis have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Michigan to St. Louis. 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 into for flights to St. Louis from Michigan?

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

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

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

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

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

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

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

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

Traveling to a place near Michigan?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Michigan to St. Louis

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

Top 5 airlines flying from Michigan to St. Louis

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Cheapest flights from Michigan to St. Louis
Explore the most affordable flight options available from Michigan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.