Cheap flights from St. Louis to Miami 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 St. Louis to Miami departing on 1/26. 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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Cheap round-trip flights

Frontier Logo
4:56 pm - 12:34 amSTL-MIA
6h 38m1 stop
Frontier Logo
2:21 pm - 10:12 amMIA-STL
20h 51m1 stop
$166Frontier
Find Deal
vie., nov. 7 - mié., nov. 12
Frontier Logo
4:52 pm - 12:34 amSTL-MIA
6h 42m1 stop
Frontier Logo
6:35 pm - 10:12 amMIA-STL
16h 37m1 stop
$167Frontier
Find Deal
vie., oct. 31 - sáb., nov. 8
Southwest Logo
6:35 pm - 10:15 pmSTL-MIA
2h 40mnonstop
Southwest Logo
3:15 pm - 6:35 pmMIA-STL
4h 20m1 stop
$178Southwest
Find Deal
mar., oct. 21 - mar., oct. 28
American Airlines Logo
6:08 pm - 9:50 pmSTL-MIA
2h 42mnonstop
American Airlines Logo
10:01 pm - 11:56 pmMIA-STL
2h 55mnonstop
$180American Airlines
Find Deal
jue., oct. 23 - mar., oct. 28
Southwest Logo
6:35 pm - 10:15 pmSTL-MIA
2h 40mnonstop
Southwest Logo
6:55 am - 2:10 pmMIA-STL
8h 15m2 stops
$183Southwest
Find Deal
mar., oct. 21 - mar., oct. 28
American Airlines Logo
5:23 am - 9:10 amSTL-MIA
2h 47mnonstop
American Airlines Logo
8:28 pm - 10:27 pmMIA-STL
2h 59mnonstop
$194American Airlines
Find Deal
lun., oct. 27 - mar., nov. 4
Delta Logo
7:05 am - 1:11 pmSTL-MIA
5h 06m1 stop
Delta Logo
6:00 am - 10:26 amMIA-STL
5h 26m1 stop
$197Delta
Find Deal
mar., oct. 14 - mar., oct. 21
Delta Logo
5:25 pm - 12:29 amSTL-MIA
6h 04m1 stop
Delta Logo
6:00 am - 9:15 amMIA-STL
4h 15m1 stop
$198Delta
Find Deal
sáb., oct. 11 - sáb., oct. 18
 Logo
4:00 pm - 8:29 amSTL-MIA
15h 29m1 stop
 Logo
9:07 pm - 9:54 amMIA-STL
13h 47m1 stop
dom., sep. 28 - sáb., oct. 4
 Logo
2:38 pm - 11:23 amSTL-MIA
19h 45m2 stops
 Logo
9:07 pm - 9:54 amMIA-STL
13h 47m1 stop
vie., sep. 26 - sáb., sep. 27

Frontier flights from St. Louis to Miami

Our best Frontier deals on St. Louis to Miami flight tickets
Frontier
Nov 7
STL4:56 pmLambert-St Louis
6h 38m
1 stop
MIA12:34 amMiami
Nov 12
MIA2:21 pmMiami
20h 51m
1 stop
STL10:12 amLambert-St Louis
Frontier
Oct 31
STL4:52 pmLambert-St Louis
6h 42m
1 stop
MIA12:34 amMiami
Nov 8
MIA6:35 pmMiami
16h 37m
1 stop
STL10:12 amLambert-St Louis
Frontier
Nov 8
STL7:45 pmLambert-St Louis
9h 34m
1 stop
MIA6:19 amMiami
Nov 16
MIA8:25 amMiami
9h 57m
1 stop
STL5:22 pmLambert-St Louis

Southwest flights from St. Louis to Miami

Our best Southwest deals on St. Louis to Miami flight tickets
Southwest
Oct 21
STL6:35 pmLambert-St Louis
2h 40m
MIA10:15 pmMiami
Oct 28
MIA3:15 pmMiami
4h 20m
1 stop
STL6:35 pmLambert-St Louis
Southwest
Oct 21
STL6:35 pmLambert-St Louis
2h 40m
MIA10:15 pmMiami
Oct 28
MIA6:55 amMiami
8h 15m
2 stops
STL2:10 pmLambert-St Louis
Southwest
Oct 24
STL1:55 pmLambert-St Louis
7h 40m
1 stop
MIA10:35 pmMiami
Oct 29
MIA10:30 amMiami
3h 00m
STL12:30 pmLambert-St Louis

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Miami 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 septiembre 15, 2025.
Use the filters below to find and compare flights from St. Louis to Miami that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

vie. 11/7

4:56 pm-12:34 am

1 stop6h 38m

Miami

mié. 11/12

2:21 pm-10:12 am

1 stop20h 51m

$166

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

vie. 10/31

4:52 pm-12:34 am

1 stop6h 42m

Miami

sáb. 11/8

6:35 pm-10:12 am

1 stop16h 37m

$167

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

mar. 10/21

6:35 pm-10:15 pm

Nonstop2h 40m

Miami

mar. 10/28

3:15 pm-6:35 pm

1 stop4h 20m

$178

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

jue. 10/23

6:08 pm-9:50 pm

Nonstop2h 42m

Miami

mar. 10/28

10:01 pm-11:56 pm

Nonstop2h 55m

$180

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

mar. 10/21

6:35 pm-10:15 pm

Nonstop2h 40m

Miami

mar. 10/28

6:55 am-2:10 pm

2 stops8h 15m

$183

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

lun. 10/27

5:23 am-9:10 am

Nonstop2h 47m

Miami

mar. 11/4

8:28 pm-10:27 pm

Nonstop2h 59m

$194

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

mar. 10/14

7:05 am-1:11 pm

1 stop5h 06m

Miami

mar. 10/21

6:00 am-10:26 am

1 stop5h 26m

$197

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

sáb. 10/11

5:25 pm-12:29 am

1 stop6h 04m

Miami

sáb. 10/18

6:00 am-9:15 am

1 stop4h 15m

$198

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

dom. 9/28

4:00 pm-8:29 am

1 stop15h 29m

Miami

sáb. 10/4

9:07 pm-9:54 am

1 stop13h 47m

$233

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

vie. 9/26

2:38 pm-11:23 am

2 stops19h 45m

Miami

sáb. 9/27

9:07 pm-9:54 am

1 stop13h 47m

$236

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 Miami from

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

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 Miami?

The month of August is, on average, the cheapest month to fly to Miami from St. Louis, with most prices found around $336. If you are unable to visit Miami during the month of August, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $344.

What is the cheapest day to depart on your flight to Miami?

The cheapest day to depart from St. Louis to Miami is on a Wednesday when prices can be found for as low as $546. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Miami on Monday is $591.

What is the cheapest time of day to depart on your flight to Miami?

In the evening is the cheapest time of day to fly from St. Louis to Miami when you can find flight prices for as low as $482. Flying to Miami in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $605. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Lambert-St Louis to Miami for the best Lambert-St Louis - Miami flight prices

How far in advance should I book a flight to Miami?

You are more likely to see cheaper flights to Miami from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Miami for around $407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Miami from St. Louis for as low as $351 on momondo.

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

There are 3 cabin classes available to choose from on Lambert-St Louis to Miami 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 St. Louis to Miami flights?

You could potentially save up to 10% on your flight if you consider stops on a St. Louis to Miami flight.

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

As of September 2025, prices for St. Louis to Miami flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Miami

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

Cheap St. Louis to Miami (STL to MIA) flight deals and tips

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

Best Price Found

$204

Fastest flight time

2h 40m

Direct flights

Every day

Airports in Miami

1 airport
The best one-way flight to Miami from St. Louis in the past 72 hours is $204. The best round-trip flight deal from St. Louis to Miami found on momondo in the last 72 hours is $355.
The fastest flight from St. Louis to Miami takes 2h 40m
Direct flights go from St. Louis to Miami every day.
There is 1 airport near Miami: Miami (MIA)
  • How far is Lambert-St Louis to Miami by plane?

    The straight-line distance from Lambert-St Louis to Miami is 1061.2 mi. Flights usually cover this in 2h 40m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Lambert-St Louis Airport to Miami Airport are updated daily.

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

  • How old do you have to be to fly from Lambert-St Louis Airport to Miami 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 Lambert-St Louis Airport to Miami Airport.

  • What documentation or ID do you need to fly to Miami Airport?

    The travel and health documents you'll need for your trip to Miami 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 Miami 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 St. Louis to Miami?

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

Best airlines flying from St. Louis to Miami

Compare and see reviews for airlines that fly from St. Louis to Miami with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $76Free CancellationRating
6.3
8,015 reviews
Search Spirit Airlines flights
FrontierPriceFrom $143Free CancellationRating
5.8
3,172 reviews
Search Frontier flights
DeltaPriceFrom $196Free CancellationRating
7.9
7,954 reviews
Search Delta flights
American AirlinesPriceFrom $243Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $277Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $352Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
  • Southwest Flights From St. Louis to Miami

    Across 7 Southwest flights from St. Louis to Miami this week, the average price was $467, with the best Southwest deals starting from $277 round-trip. 4,242 users have rated Southwest on momondo, with an average score of 8.0/10.

  • American Airlines Flights From St. Louis to Miami

    The best American Airlines deal for St. Louis to Miami flight tickets found on momondo in the last 72 hours was $243, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $414 round-trip. American Airlines operates 7 flights out of St. Louis into Miami 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 Miami?

Book flights to Miami if you plan to visit one of these locations
Miami Beach
Key Largo
Hollywood
Islamorada
Marco Island
Palm Beach
Marathon
Delray Beach
Pompano Beach
Jupiter
Sunny Isles Beach
Dania Beach
Lake Worth
Deerfield Beach
Bonita Springs
Boynton Beach
Stuart
Doral
Miramar
Miami Gardens

Why use momondo?

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

It is quick and easy to find St. Louis to Miami flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Miami that suits you.

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

Yes. All flights to Miami from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Miami from St. Louis.

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

If you are not ready to book a flight from St. Louis to Miami now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Miami and let you know when they change.

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1 adult
mié. 10/15
mié. 10/22

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