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Cheap flights from Miami to St. Louis from $65

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 12/16. 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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0 bags

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Find the cheapest flights from Miami to St. Louis

Cheap round-trip flights

American Airlines Logo
10:01 pm - 11:56 pmMIA-STL
2h 55mnonstop
American Airlines Logo
6:08 pm - 9:50 pmSTL-MIA
2h 42mnonstop
$131American Airlines
Find Deal
Wed, Oct 8 - Sun, Oct 12
American Airlines Logo
8:28 pm - 10:27 pmMIA-STL
2h 59mnonstop
American Airlines Logo
5:15 am - 8:59 amSTL-MIA
2h 44mnonstop
$134American Airlines
Find Deal
Wed, Nov 5 - Sun, Nov 16
Frontier Logo
5:15 am - 10:37 amMIA-STL
6h 22m1 stop
Frontier Logo
10:17 am - 5:33 pmSTL-MIA
6h 16m1 stop
$148Frontier
Find Deal
Thu, Oct 23 - Sun, Oct 26
Frontier Logo
5:30 am - 3:04 pmMIA-STL
10h 34m1 stop
Frontier Logo
4:00 pm - 12:12 amSTL-MIA
7h 12m1 stop
$153Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Frontier Logo
5:15 am - 10:37 amMIA-STL
6h 22m1 stop
Frontier Logo
11:11 am - 12:34 amSTL-MIA
12h 23m1 stop
$164Frontier
Find Deal
Fri, Oct 17 - Fri, Oct 24
American Airlines Logo
10:01 pm - 11:56 pmMIA-STL
2h 55mnonstop
American Airlines Logo
5:23 am - 9:10 amSTL-MIA
2h 47mnonstop
$169American Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Delta Logo
12:09 pm - 3:55 pmMIA-STL
4h 46m1 stop
Delta Logo
11:21 am - 6:34 pmSTL-MIA
6h 13m1 stop
$197Delta
Find Deal
Wed, Oct 22 - Wed, Oct 29
Delta Logo
8:11 am - 12:35 pmMIA-STL
5h 24m1 stop
Delta Logo
6:52 pm - 12:29 amSTL-MIA
4h 37m1 stop
$223Delta
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Wed, Oct 15 - Fri, Oct 17
Multiple Airlines Logo
6:00 am - 9:07 amMIA-STL
28h 07m1 stop
Multiple Airlines Logo
4:52 pm - 5:41 pmSTL-MIA
23h 49m1 stop
$233Multiple Airlines
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Mon, Oct 27 - Fri, Oct 31
Multiple Airlines Logo
5:30 pm - 9:07 amMIA-STL
16h 37m1 stop
Multiple Airlines Logo
11:07 am - 5:01 pmSTL-MIA
4h 54m1 stop
$235Multiple Airlines
Find Deal
Sat, Oct 25 - Thu, Oct 30

Delta flights from Miami to St. Louis

Our best Delta deals on Miami to St. Louis flight tickets
Delta
Oct 22
MIA12:09 pmMiami
4h 46m
1 stop
STL3:55 pmLambert-St Louis
Oct 29
STL11:21 amLambert-St Louis
6h 13m
1 stop
MIA6:34 pmMiami
$197
Find similar
Delta
Oct 15
MIA8:11 amMiami
5h 24m
1 stop
STL12:35 pmLambert-St Louis
Oct 17
STL6:52 pmLambert-St Louis
4h 37m
1 stop
MIA12:29 amMiami
$223
Find similar
Delta
Oct 14
MIA6:00 amMiami
7h 35m
1 stop
STL12:35 pmLambert-St Louis
Oct 17
STL6:52 pmLambert-St Louis
4h 37m
1 stop
MIA12:29 amMiami
$224
Find similar

American Airlines flights from Miami to St. Louis

Our best American Airlines deals on Miami to St. Louis flight tickets
American Airlines
Oct 8
MIA10:01 pmMiami
2h 55m
STL11:56 pmLambert-St Louis
Oct 12
STL6:08 pmLambert-St Louis
2h 42m
MIA9:50 pmMiami
$131
Find similar
American Airlines
Nov 5
MIA8:28 pmMiami
2h 59m
STL10:27 pmLambert-St Louis
Nov 16
STL5:15 amLambert-St Louis
2h 44m
MIA8:59 amMiami
$134
Find similar
American Airlines
Oct 14
MIA10:01 pmMiami
2h 55m
STL11:56 pmLambert-St Louis
Oct 21
STL5:23 amLambert-St Louis
2h 47m
MIA9:10 amMiami
$169
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Miami to St. Louis 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Miami to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Wed 10/8

10:01 pm-11:56 pm

Nonstop2h 55m

Lambert-St Louis

Sun 10/12

6:08 pm-9:50 pm

Nonstop2h 42m

$131

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Wed 11/5

8:28 pm-10:27 pm

Nonstop2h 59m

Lambert-St Louis

Sun 11/16

5:15 am-8:59 am

Nonstop2h 44m

$134

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Thu 10/23

5:15 am-10:37 am

1 stop6h 22m

Lambert-St Louis

Sun 10/26

10:17 am-5:33 pm

1 stop6h 16m

$148

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Thu 10/2

5:30 am-3:04 pm

1 stop10h 34m

Lambert-St Louis

Sun 10/5

4:00 pm-12:12 am

1 stop7h 12m

$153

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Fri 10/17

5:15 am-10:37 am

1 stop6h 22m

Lambert-St Louis

Fri 10/24

11:11 am-12:34 am

1 stop12h 23m

$164

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Tue 10/14

10:01 pm-11:56 pm

Nonstop2h 55m

Lambert-St Louis

Tue 10/21

5:23 am-9:10 am

Nonstop2h 47m

$169

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Wed 10/22

12:09 pm-3:55 pm

1 stop4h 46m

Lambert-St Louis

Wed 10/29

11:21 am-6:34 pm

1 stop6h 13m

$197

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Wed 10/15

8:11 am-12:35 pm

1 stop5h 24m

Lambert-St Louis

Fri 10/17

6:52 pm-12:29 am

1 stop4h 37m

$223

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Mon 10/27

6:00 am-9:07 am

1 stop28h 07m

Lambert-St Louis

Fri 10/31

4:52 pm-5:41 pm

1 stop23h 49m

$233

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Sat 10/25

5:30 pm-9:07 am

1 stop16h 37m

Lambert-St Louis

Thu 10/30

11:07 am-5:01 pm

1 stop4h 54m

$235

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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, October 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 $278. The month of September is another great option to travel to St. Louis, with average flight prices from Miami averaging around $289.

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 $339. 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 $503. 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 morning is the least expensive time of day to depart. momondo users have found prices as low as $341 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $436 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 $363 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 $244 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.

How have Miami to St. Louis flight prices changed over time?

As of September 2025, prices for Miami to St. Louis flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Miami to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Miami to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$174

Fastest flight time

2h 50m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Miami in the past 72 hours is $174. The best round-trip flight deal from Miami to St. Louis found on momondo in the last 72 hours is $229.
The fastest flight from Miami to St. Louis takes 2h 50m
Direct flights go from Miami to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

  • 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 53m 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?

  • 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?

  • What is the most popular airline from Miami to St. Louis?

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
Spirit AirlinesPriceFrom $89Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
FrontierPriceFrom $128Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
SouthwestPriceFrom $186Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $196Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $229Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Southwest Flights From Miami to St. Louis

    Southwest operates around 5 flights from Miami to St. Louis every week. The average price of these flights found in the last 72 hours has been $359, but momondo users have found Southwest deals from Miami to St. Louis from as low as $186 round-trip. Southwest has been scored 8.0/10 in 4,242 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 $229, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $390 round-trip. American Airlines operates 7 flights 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?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
Shrewsbury

Why use momondo?

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.

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.
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