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Cheap flights from Miami to St. Louis from $62

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 1/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Miami to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 2:48 pm
MIA
-
STL
8h 48m1 stop
Multiple Airlines Logo
8:32 pm - 11:56 am
STL
-
MIA
14h 24m1 stop
$129Multiple Airlines
Thu, Jan 8 - Wed, Jan 14
Frontier Logo
7:09 pm - 6:51 am
MIA
-
STL
12h 42m1 stop
Frontier Logo
8:22 pm - 10:59 am
STL
-
MIA
13h 37m1 stop
$138Frontier
Thu, Jan 29 - Sat, Jan 31
Multiple Airlines Logo
7:00 am - 2:48 pm
MIA
-
STL
8h 48m1 stop
Multiple Airlines Logo
3:43 pm - 12:46 am
STL
-
MIA
8h 03m1 stop
$139Multiple Airlines
Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
6:56 pm - 6:51 am
MIA
-
STL
12h 55m1 stop
Multiple Airlines Logo
5:42 pm - 11:56 am
STL
-
MIA
17h 14m2 stops
$141Multiple Airlines
Tue, Jan 13 - Tue, Jan 27
Multiple Airlines Logo
7:00 am - 2:48 pm
MIA
-
STL
8h 48m1 stop
Multiple Airlines Logo
5:11 pm - 5:51 pm
STL
-
MIA
23h 40m2 stops
$143Multiple Airlines
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
7:00 am - 2:48 pm
MIA
-
STL
8h 48m1 stop
Multiple Airlines Logo
8:32 pm - 7:46 pm
STL
-
MIA
22h 14m2 stops
$146Multiple Airlines
Thu, Jan 8 - Wed, Jan 14
Multiple Airlines Logo
2:31 pm - 10:23 am
MIA
-
STL
20h 52m2 stops
Multiple Airlines Logo
8:22 pm - 10:59 am
STL
-
MIA
13h 37m1 stop
$155Multiple Airlines
Thu, Jan 29 - Sat, Jan 31
Frontier Logo
5:20 am - 2:48 pm
MIA
-
STL
10h 28m1 stop
Frontier Logo
3:43 pm - 12:46 am
STL
-
MIA
8h 03m1 stop
$161Frontier
Fri, Jan 9 - Sun, Jan 11
Multiple Airlines Logo
7:00 am - 11:33 pm
MIA
-
STL
17h 33m2 stops
Multiple Airlines Logo
8:22 pm - 12:47 am
STL
-
MIA
27h 25m1 stop
$167Multiple Airlines
Wed, Jan 21 - Fri, Jan 23
Frontier Logo
5:30 am - 9:40 am
MIA
-
STL
5h 10m1 stop
Frontier Logo
10:42 am - 7:30 pm
STL
-
MIA
7h 48m1 stop
$173Frontier
Tue, Dec 30 - Thu, Jan 1

Delta flights from Miami to St. Louis

Our best Delta deals on Miami to St. Louis flight tickets
Delta
Jan 21
MIA8:15 amMiami
4h 39m
1 stop
STL11:54 amLambert-St Louis
Jan 23
STL6:57 pmLambert-St Louis
4h 54m
1 stop
MIA12:51 amMiami
$339
Find similar
Delta
Dec 10
MIA7:12 amMiami
10h 23m
1 stop
STL4:35 pmLambert-St Louis
Dec 14
STL11:40 amLambert-St Louis
4h 45m
1 stop
MIA5:25 pmMiami
$725
Find similar
Delta
Dec 17
MIA8:05 amMiami
5h 52m
1 stop
STL12:57 pmLambert-St Louis
Dec 19
STL6:00 amLambert-St Louis
6h 06m
1 stop
MIA1:06 pmMiami
$737
Find similar

American Airlines flights from Miami to St. Louis

Our best American Airlines deals on Miami to St. Louis flight tickets
American Airlines
Dec 31
MIA8:24 pmMiami
3h 11m
STL10:35 pmLambert-St Louis
Jan 1
STL5:05 amLambert-St Louis
2h 59m
MIA9:04 amMiami
$283
Find similar
American Airlines
Jan 6
MIA7:00 amMiami
3h 08m
STL9:08 amLambert-St Louis
Jan 13
STL10:00 amLambert-St Louis
2h 51m
MIA1:51 pmMiami
$289
Find similar
American Airlines
Dec 31
MIA10:09 amMiami
6h 51m
1 stop
STL4:00 pmLambert-St Louis
Jan 1
STL6:00 pmLambert-St Louis
2h 59m
MIA9:59 pmMiami
$293
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 December 9, 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

Thu 1/8

7:00 am-2:48 pm

1 stop8h 48m

Lambert-St Louis

Wed 1/14

8:32 pm-11:56 am

1 stop14h 24m

$129

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Thu 1/29

7:09 pm-6:51 am

1 stop12h 42m

Lambert-St Louis

Sat 1/31

8:22 pm-10:59 am

1 stop13h 37m

$138

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Thu 1/8

7:00 am-2:48 pm

1 stop8h 48m

Lambert-St Louis

Sun 1/11

3:43 pm-12:46 am

1 stop8h 03m

$139

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Tue 1/13

6:56 pm-6:51 am

1 stop12h 55m

Lambert-St Louis

Tue 1/27

5:42 pm-11:56 am

2 stops17h 14m

$141

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Thu 1/8

7:00 am-2:48 pm

1 stop8h 48m

Lambert-St Louis

Mon 1/12

5:11 pm-5:51 pm

2 stops23h 40m

$143

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Thu 1/8

7:00 am-2:48 pm

1 stop8h 48m

Lambert-St Louis

Wed 1/14

8:32 pm-7:46 pm

2 stops22h 14m

$146

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Thu 1/29

2:31 pm-10:23 am

2 stops20h 52m

Lambert-St Louis

Sat 1/31

8:22 pm-10:59 am

1 stop13h 37m

$155

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Fri 1/9

5:20 am-2:48 pm

1 stop10h 28m

Lambert-St Louis

Sun 1/11

3:43 pm-12:46 am

1 stop8h 03m

$161

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Wed 1/21

7:00 am-11:33 pm

2 stops17h 33m

Lambert-St Louis

Fri 1/23

8:22 pm-12:47 am

1 stop27h 25m

$167

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Tue 12/30

5:30 am-9:40 am

1 stop5h 10m

Lambert-St Louis

Thu 1/1

10:42 am-7:30 pm

1 stop7h 48m

$173

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 $272. 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 Thursday when prices can be found for as low as $328. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $338 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 $467 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 $360 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 $192 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?

You could potentially save up to 24% on your flight if you consider stops on a Miami to St. Louis flight.

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

As of December 2025, prices for Miami to St. Louis flights are approximately 34% 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

$175

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 $175. The best round-trip flight deal from Miami to St. Louis found on momondo in the last 72 hours is $325.
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. 3h 03m 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 $80Free CancellationRating
6.3
8,168 reviews
Search Spirit Airlines flights
FrontierPriceFrom $164Free CancellationRating
5.8
3,085 reviews
Search Frontier flights
SouthwestPriceFrom $186Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
DeltaPriceFrom $196Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $210Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights

  • Southwest Flights From Miami to St. Louis

    Southwest operates around 9 flights from Miami to St. Louis every week. The average price of these flights found in the last 72 hours has been $348, 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 4,254 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 $210, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $374 round-trip. American Airlines operates 9 flights out of Miami into St. Louis in an average week, so prices vary by time and availability. 11,045 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
Maryland Heights
O'Fallon
Florissant
Fenton
Wentzville
St. Peters
Collinsville
Alton
Farmington
Festus
Clayton
Glencoe
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.
Start using Trips
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