What is the cheapest airline that flies from Michigan to Lambert-St Louis?

Spirit Airlines, Southwest, and American Airlines are the most popular carriers operating from Michigan to Lambert-St Louis

How long does it take to fly to St. Louis?

Flight times from Michigan to St. Louis vary, but if you’re flying out of Detroit and flying into St. Louis (one of the most popular routes), then the duration is 1h 32m on average. Another popular route from Michigan to St. Louis is flying from Grand Rapids to St. Louis, which will take roughly 3h 05m. Keep in mind that layovers or delays could extend your travel time.

How many flights depart from Michigan to St. Louis on average per week?

503 flights are operational weekly from Michigan to St. Louis as of July 2025. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

What airlines fly to St. Louis?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to St. Louis from Michigan according to our data. Delta is the first choice among our users, with 44% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 5 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

How many flights depart from Michigan to St. Louis on average per day?

The number of flights available between Michigan and St. Louis is 71 per day as of July 2025. The most frequent departure time is 8:00PM, with 43% of daily flights leaving in the afternoon.

When did momondo last update prices for flights from Michigan to Lambert-St Louis Airport?

Prices for flights from Michigan to Lambert-St Louis Airport refresh daily.

How many operators does momondo search for flights from Michigan to Lambert-St Louis Airport?

As of July 2025, there are 6 operators available to choose from for flights from Michigan to Lambert-St Louis Airport.

How old do you have to be to fly from Michigan to Lambert-St Louis Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Michigan to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$28 Cheap Flights from Michigan to St. Louis in 2025

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Find the cheapest flights from Michigan to St. Louis

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

1:00 pm - 1:32 pmDTW-STL

1h 32mnonstop

12:05 pm - 2:35 pmSTL-DTW

1h 30mnonstop

$55Spirit Airlines

Find Deal

Thu, Aug 28 - Thu, Sep 4

1:00 pm - 1:32 pmDTW-STL

1h 32mnonstop

2:30 pm - 5:00 pmSTL-DTW

1h 30mnonstop

$57Spirit Airlines

Find Deal

Thu, Aug 21 - Sun, Aug 24

6:35 am - 7:45 amMDW-STL

1h 10mnonstop

1:55 pm - 3:05 pmSTL-MDW

1h 10mnonstop

$91Southwest

Find Deal

Sat, Sep 20 - Sat, Oct 4

1:05 pm - 2:33 pmORD-STL

1h 28mnonstop

6:35 am - 8:05 amSTL-ORD

1h 30mnonstop

$91United Airlines

Find Deal

Wed, Aug 27 - Wed, Sep 3

8:31 pm - 9:53 pmORD-STL

1h 22mnonstop

6:10 am - 7:30 amSTL-ORD

1h 20mnonstop

$92American Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 20

7:40 am - 8:50 amMDW-STL

1h 10mnonstop

1:55 pm - 3:05 pmSTL-MDW

1h 10mnonstop

$94Southwest

Find Deal

Thu, Oct 16 - Sat, Oct 18

2:20 pm - 3:44 pmORD-STL

1h 24mnonstop

3:20 pm - 4:45 pmSTL-ORD

1h 25mnonstop

$119United Airlines

Find Deal

Wed, Sep 17 - Sat, Sep 20

8:55 am - 9:32 amDTW-STL

1h 37mnonstop

6:00 pm - 8:30 pmSTL-DTW

1h 30mnonstop

$119Delta

Find Deal

Thu, Aug 28 - Thu, Aug 28

6:00 pm - 7:21 pmORD-STL

1h 21mnonstop

7:23 am - 8:48 amSTL-ORD

1h 25mnonstop

$120American Airlines

Find Deal

Sat, Aug 23 - Sun, Aug 24

6:25 pm - 7:01 pmDTW-STL

1h 36mnonstop

6:40 am - 9:13 amSTL-DTW

1h 33mnonstop

$129Delta

Find Deal

Thu, Aug 28 - Thu, Sep 4

Spirit Airlines flights from Michigan to St. Louis

Our best Spirit Airlines deals on Michigan to St. Louis flight tickets

Spirit Airlines

Aug 28

DTW1:00 pmDetroit Metropolitan Wayne County

1h 32m

STL1:32 pmLambert-St Louis

Sep 4

STL12:05 pmLambert-St Louis

1h 30m

DTW2:35 pmDetroit Metropolitan Wayne County

$55

Find similar

Spirit Airlines

Aug 21

DTW1:00 pmDetroit Metropolitan Wayne County

1h 32m

STL1:32 pmLambert-St Louis

Aug 24

STL2:30 pmLambert-St Louis

1h 30m

DTW5:00 pmDetroit Metropolitan Wayne County

$57

Find similar

Spirit Airlines

Aug 28

DTW1:00 pmDetroit Metropolitan Wayne County

1h 32m

STL1:32 pmLambert-St Louis

Aug 31

STL2:30 pmLambert-St Louis

1h 30m

DTW5:00 pmDetroit Metropolitan Wayne County

$58

Find similar

Delta flights from Michigan to St. Louis

Our best Delta deals on Michigan to St. Louis flight tickets

Delta

Aug 28

DTW8:55 amDetroit Metropolitan Wayne County

1h 37m

STL9:32 amLambert-St Louis

Aug 28

STL6:00 pmLambert-St Louis

1h 30m

DTW8:30 pmDetroit Metropolitan Wayne County

$119

Find similar

Delta

Aug 28

DTW6:25 pmDetroit Metropolitan Wayne County

1h 36m

STL7:01 pmLambert-St Louis

Sep 4

STL6:40 amLambert-St Louis

1h 33m

DTW9:13 amDetroit Metropolitan Wayne County

$129

Find similar

Delta

Aug 21

DTW12:45 pmDetroit Metropolitan Wayne County

1h 35m

STL1:20 pmLambert-St Louis

Aug 24

STL6:40 amLambert-St Louis

1h 33m

DTW9:13 amDetroit Metropolitan Wayne County

$139

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Thu 8/28

1:00 pm-1:32 pm

Nonstop1h 32m

Lambert-St Louis

Thu 9/4

12:05 pm-2:35 pm

Nonstop1h 30m

$55

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Thu 8/21

1:00 pm-1:32 pm

Nonstop1h 32m

Lambert-St Louis

Sun 8/24

2:30 pm-5:00 pm

Nonstop1h 30m

$57

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Sat 9/20

6:35 am-7:45 am

Nonstop1h 10m

Lambert-St Louis

Sat 10/4

1:55 pm-3:05 pm

Nonstop1h 10m

$91

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 8/27

1:05 pm-2:33 pm

Nonstop1h 28m

Lambert-St Louis

Wed 9/3

6:35 am-8:05 am

Nonstop1h 30m

$91

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sat 9/13

8:31 pm-9:53 pm

Nonstop1h 22m

Lambert-St Louis

Sat 9/20

6:10 am-7:30 am

Nonstop1h 20m

$92

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 10/16

7:40 am-8:50 am

Nonstop1h 10m

Lambert-St Louis

Sat 10/18

1:55 pm-3:05 pm

Nonstop1h 10m

$94

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 9/17

2:20 pm-3:44 pm

Nonstop1h 24m

Lambert-St Louis

Sat 9/20

3:20 pm-4:45 pm

Nonstop1h 25m

$119

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Thu 8/28

8:55 am-9:32 am

Nonstop1h 37m

Lambert-St Louis

Thu 8/28

6:00 pm-8:30 pm

Nonstop1h 30m

$119

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sat 8/23

6:00 pm-7:21 pm

Nonstop1h 21m

Lambert-St Louis

Sun 8/24

7:23 am-8:48 am

Nonstop1h 25m

$120

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Thu 8/28

6:25 pm-7:01 pm

Nonstop1h 36m

Lambert-St Louis

Thu 9/4

6:40 am-9:13 am

Nonstop1h 33m

$129

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How to get the cheapest flight ticket from Michigan to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

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

In general, July is the cheapest month to fly from Michigan to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $150. The month of June is another great option to travel to St. Louis, with average flight prices from Michigan averaging around $221.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $309. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $402. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Michigan in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $322 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $352 per ticket.

What is the cheapest Michigan to Lambert-St Louis flight route?

Fly from Detroit Metropolitan Wayne County to Lambert-St Louis for the best Michigan - Lambert-St Louis flight prices

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

You are more likely to see cheaper flights to St. Louis from Michigan when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $287 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Michigan for as low as $69 on momondo.

What cabin class options are available on Michigan to Lambert-St Louis flights?

There are 4 cabin classes available to choose from on Michigan to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Michigan to St. Louis flights?

No. A direct flight is the cheapest option for a flight between Michigan to St. Louis.

Cheap Michigan to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Michigan to St. Louis

Best Price Found	$28
Fastest flight time	1h 10m
Direct flights	Every day
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Michigan in the past 72 hours is $28. The best round-trip flight deal from Michigan to St. Louis found on momondo in the last 72 hours is $55.

The fastest flight from Michigan to St. Louis takes 1h 10m

Direct flights go from Michigan to St. Louis every day.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from Michigan to Lambert-St Louis Airport?
Prices for flights from Michigan to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Michigan to Lambert-St Louis Airport?
As of July 2025, there are 6 operators available to choose from for flights from Michigan to Lambert-St Louis Airport.
How old do you have to be to fly from Michigan to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Michigan to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Michigan to St. Louis?
Based on momondo bookings for flights between Michigan and St. Louis, the leading plane model is Boeing 717-200, making up 24.40% of the total bookings. Other popular models include Boeing 737-700 Passenger/BBJ1 (winglets) with 20.04%, Airbus A320neo with 10.02%, and Airbus A320-100/200 with 8.82%.

Best airlines flying from Michigan to St. Louis

Compare and see reviews for airlines that fly from Michigan to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $29	Free Cancellation	Rating 6.3 8,048 reviews	Search Spirit Airlines flights
Delta	PriceFrom $149	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Southwest	PriceFrom $149	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $228	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

Fenton

Collinsville

O'Fallon

Alton

St. Peters

Farmington

Wentzville

Festus

Glencoe

Eureka

Edwardsville

Clayton

Shrewsbury

Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Michigan to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Michigan to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Michigan to St. Louis with flexible booking policies on momondo?

All flight searches from Michigan to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Michigan to St. Louis?

Once all potential Michigan to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Michigan to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Michigan are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Michigan to St. Louis from $28

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Michigan to St. Louis departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Spirit Airlines flights from Michigan to St. Louis

Our best Spirit Airlines deals on Michigan to St. Louis flight tickets

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Our best Delta deals on Michigan to St. Louis flight tickets

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How to get the cheapest flight ticket from Michigan to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

What is the cheapest day to depart on your flight to St. Louis?

What is the cheapest time of day to depart on your flight to St. Louis?

What is the cheapest Michigan to Lambert-St Louis flight route?

Fly from Detroit Metropolitan Wayne County to Lambert-St Louis for the best Michigan - Lambert-St Louis flight prices

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

What cabin class options are available on Michigan to Lambert-St Louis flights?

There are 4 cabin classes available to choose from on Michigan to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Michigan to St. Louis flights?

No. A direct flight is the cheapest option for a flight between Michigan to St. Louis.

What is the cheapest airline that flies from Michigan to Lambert-St Louis?

Spirit Airlines, Southwest, and American Airlines are the most popular carriers operating from Michigan to Lambert-St Louis

What airlines fly to St. Louis?

How many flights depart from Michigan to St. Louis on average per day?

The number of flights available between Michigan and St. Louis is 71 per day as of July 2025. The most frequent departure time is 8:00PM, with 43% of daily flights leaving in the afternoon.

How many flights depart from Michigan to St. Louis on average per week?

503 flights are operational weekly from Michigan to St. Louis as of July 2025. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

How long does it take to fly to St. Louis?

Cheap Michigan to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Michigan to St. Louis

Best Price Found

Fastest flight time

Direct flights

Airports in St. Louis

When did momondo last update prices for flights from Michigan to Lambert-St Louis Airport?

How many operators does momondo search for flights from Michigan to Lambert-St Louis Airport?

How old do you have to be to fly from Michigan to Lambert-St Louis Airport?

What documentation or ID do you need to fly to Lambert-St Louis Airport?

What is the most popular plane model from Michigan to St. Louis?

Best airlines flying from Michigan to St. Louis

Compare and see reviews for airlines that fly from Michigan to St. Louis with momondo

Traveling to a place near St. Louis?

Why use momondo?

Why should I use momondo to find a flight deal from Michigan to St. Louis?

Can I find flights from Michigan to St. Louis with flexible booking policies on momondo?

How can momondo help me find flights from Michigan to St. Louis?

I’m not ready to book a flight from Michigan to St. Louis right now. Can momondo alert me if prices change?

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Missouri