Cheap flights from Miami to St. Louis from $49
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Miami to St. Louis departing on 8/14. 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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Frontier flights from Miami to St. Louis
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How to get the cheapest flight ticket from Miami 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, September is the cheapest month to fly from Miami to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $283. The month of August is another great option to travel to St. Louis, with average flight prices from Miami averaging around $297.
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 Saturday when prices can be found for as low as $369. 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 Sunday because tickets tend to average around $537. 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 Miami in the evening is the least expensive time of day to depart. momondo users have found prices as low as $377 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $450 per ticket.
What is the cheapest Miami to Lambert-St Louis flight route?
Fly from Miami to Lambert-St Louis for the best Miami - 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 Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $366 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Miami for as low as $241 on momondo.
What cabin class options are available on Miami to Lambert-St Louis flights?
There are 3 cabin classes available to choose from on Miami 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 Miami to St. Louis flights?
No. A direct flight is the cheapest option for a flight between Miami to St. Louis.
How have Miami to St. Louis flight prices changed over time?
As of July 2025, prices for Miami to St. Louis flights are approximately 51% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Miami to Lambert-St Louis?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Miami to Lambert-St Louis
What airlines fly to St. Louis?
American Airlines, Delta and Spirit Airlines are the top three most popular airlines that fly to St. Louis from Miami according to our data. American Airlines is the first choice among our users, with 27% 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 Miami to St. Louis on average per day?
1 flights are operational daily from Miami to St. Louis as of July 2025. The most popular departure time for this route is 10:00PM, with 78% of flights per day taking off in the evening.
How many flights depart from Miami to St. Louis on average per week?
The number of flights available between Miami and St. Louis is 13 per week as of July 2025. The most frequent departure day is Wed, with 31% of weekly flights leaving on this day.
When to book flights from Miami to St. Louis
Cheap Miami to St. Louis (MIA to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Miami to St. Louis
How far is Miami to Lambert-St Louis by plane?
A flight from Miami to Lambert-St Louis will travel around 1061.2 mi. 2h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from Miami Airport to Lambert-St Louis Airport?
Prices for flights from Miami Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Miami Airport to Lambert-St Louis Airport?
There are 5 operators available for flights from Miami Airport to Lambert-St Louis Airport as of July 2025.
How old do you have to be to fly from Miami Airport to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Miami Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Miami to St. Louis?
momondo data reveals that the most frequently booked plane model on the route from Miami to St. Louis is Boeing 737-800, representing 29.10% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 25.39%, Embraer 175 at 12.07%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 7.74%.
What is the most popular airline from Miami to St. Louis?
momondo data reveals that the most frequently booked airline on the route from Miami to St. Louis is American Airlines, representing 58% of all bookings. The subsequent popular airlines are Southwest at 19%, Spirit Airlines at 11%, and Delta at 8%.
Best airlines flying from Miami to St. Louis
Compare and see reviews for airlines that fly from Miami to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $113 | Free Cancellation | Rating 6.3 8,086 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 5.9 3,286 reviews | |||
| PriceFrom $199 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $209 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 8.0 4,266 reviews |
Southwest Flights From Miami to St. Louis
Southwest operates around 4 flights from Miami to St. Louis every week. The average price of these flights found in the last 72 hours has been $401, but momondo users have found Southwest deals from Miami to St. Louis from as low as $256 round-trip. Southwest has been scored 8.0/10 in 4,266 reviews.
American Airlines Flights From Miami to St. Louis
The best American Airlines deal for Miami to St. Louis flight tickets found on momondo in the last 72 hours was $209, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $396 round-trip. American Airlines operates 1 flight out of Miami into St. Louis in an average week, so prices vary by time and availability. 10,000 American Airlines reviews by users on momondo have scored the airline at 7.2/10.
Traveling to a place near St. Louis?
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Why should I use momondo to find a flight deal from Miami to St. Louis?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Miami to St. Louis. momondo saves you time and could save you money on your trip.
Can I find flights from Miami to St. Louis with flexible booking policies on momondo?
Yes. All flights to St. Louis from Miami on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Miami to St. Louis?
Once all potential Miami 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 Miami to St. Louis right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to St. Louis from Miami. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.