Cheap flights from Michigan to St. Louis from $38
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 7/31. 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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Spirit Airlines flights from Michigan to St. Louis
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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?
In general, June 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 $226. The month of August is another great option to travel to St. Louis, with average flight prices from Michigan averaging around $281.
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 $338. 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 $404. 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 $348 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $378 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 25 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $307 when searching 25 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.
What is the cheapest airline that flies from Michigan to Lambert-St Louis?
Spirit Airlines, Southwest, and United Airlines are the most popular carriers operating from Michigan to Lambert-St Louis
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 46% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 6 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 77 per day as of June 2025. The most frequent departure time is 8:00PM, with 48% of daily flights leaving in the afternoon.
How many flights depart from Michigan to St. Louis on average per week?
545 flights are operational weekly from Michigan to St. Louis as of June 2025. The most popular departure day for this route is Thu, with 17% of flights per week taking off on this day.
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
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 June 2025, there are 7 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 26.33% of the total bookings. Other popular models include Boeing 737-700 Passenger/BBJ1 (winglets) with 22.03%, Airbus A320neo with 8.73%, and Canadair (Bombardier) Regional Jet 900 with 7.22%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $60 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $124 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $206 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $213 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $231 | Free Cancellation | Rating 7.4 8,790 reviews |
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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.