Cheap flights from St. Louis to Miami from $63

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 11/15. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from St. Louis to Miami

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:40 pm - 6:19 amSTL-MIA
8h 39m1 stop
Frontier Logo
5:01 am - 10:12 amMIA-STL
6h 11m1 stop
$193Frontier
Find Deal
Sat, Nov 1 - Sun, Nov 9
Multiple Airlines Logo
6:21 pm - 12:34 amSTL-MIA
29h 13m2 stops
Multiple Airlines Logo
5:01 am - 10:12 amMIA-STL
6h 11m1 stop
$198Multiple Airlines
Find Deal
Sun, Nov 2 - Thu, Nov 6
Frontier Logo
8:40 pm - 6:19 amSTL-MIA
8h 39m1 stop
Frontier Logo
6:00 am - 9:07 amMIA-STL
28h 07m1 stop
$200Frontier
Find Deal
Thu, Oct 30 - Mon, Nov 3
Multiple Airlines Logo
4:56 pm - 9:58 amSTL-MIA
16h 02m1 stop
Multiple Airlines Logo
12:05 pm - 9:07 amMIA-STL
22h 02m2 stops
$201Multiple Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
Frontier Logo
10:18 am - 12:34 amSTL-MIA
13h 16m2 stops
Frontier Logo
6:00 am - 9:07 amMIA-STL
28h 07m1 stop
$202Frontier
Find Deal
Mon, Oct 27 - Fri, Oct 31
Multiple Airlines Logo
4:56 pm - 9:58 amSTL-MIA
16h 02m1 stop
Multiple Airlines Logo
10:15 pm - 10:12 amMIA-STL
36h 57m2 stops
$204Multiple Airlines
Find Deal
Fri, Nov 7 - Tue, Nov 11
Delta Logo
7:02 pm - 12:46 amSTL-MIA
4h 44m1 stop
Delta Logo
8:05 am - 1:00 pmMIA-STL
5h 55m1 stop
$215Delta
Find Deal
Fri, Nov 14 - Mon, Nov 24
Delta Logo
5:15 pm - 12:29 amSTL-MIA
6h 14m1 stop
Delta Logo
8:11 am - 12:35 pmMIA-STL
5h 24m1 stop
$244Delta
Find Deal
Fri, Oct 31 - Sat, Nov 8
American Airlines Logo
4:41 pm - 8:25 pmSTL-MIA
2h 44mnonstop
American Airlines Logo
8:30 am - 10:37 amMIA-STL
3h 07mnonstop
$255American Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 24
American Airlines Logo
11:07 am - 2:51 pmSTL-MIA
2h 44mnonstop
American Airlines Logo
8:30 am - 10:37 amMIA-STL
3h 07mnonstop
$256American Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24

American Airlines flights from St. Louis to Miami

Our best American Airlines deals on St. Louis to Miami flight tickets
American Airlines
Nov 13
STL4:41 pmLambert-St Louis
2h 44m
MIA8:25 pmMiami
Nov 24
MIA8:30 amMiami
3h 07m
STL10:37 amLambert-St Louis
American Airlines
Nov 20
STL11:07 amLambert-St Louis
2h 44m
MIA2:51 pmMiami
Nov 24
MIA8:30 amMiami
3h 07m
STL10:37 amLambert-St Louis
American Airlines
Oct 30
STL6:08 pmLambert-St Louis
2h 42m
MIA9:50 pmMiami
Oct 31
MIA10:01 pmMiami
2h 55m
STL11:56 pmLambert-St Louis

Frontier flights from St. Louis to Miami

Our best Frontier deals on St. Louis to Miami flight tickets
Frontier
Nov 1
STL8:40 pmLambert-St Louis
8h 39m
1 stop
MIA6:19 amMiami
Nov 9
MIA5:01 amMiami
6h 11m
1 stop
STL10:12 amLambert-St Louis
Frontier
Oct 30
STL8:40 pmLambert-St Louis
8h 39m
1 stop
MIA6:19 amMiami
Nov 3
MIA6:00 amMiami
28h 07m
1 stop
STL9:07 amLambert-St Louis
Frontier
Oct 27
STL10:18 amLambert-St Louis
13h 16m
2 stops
MIA12:34 amMiami
Oct 31
MIA6:00 amMiami
28h 07m
1 stop
STL9:07 amLambert-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 October 16, 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

Sat 11/1

8:40 pm-6:19 am

1 stop8h 39m

Miami

Sun 11/9

5:01 am-10:12 am

1 stop6h 11m

$193

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 11/2

6:21 pm-12:34 am

2 stops29h 13m

Miami

Thu 11/6

5:01 am-10:12 am

1 stop6h 11m

$198

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 10/30

8:40 pm-6:19 am

1 stop8h 39m

Miami

Mon 11/3

6:00 am-9:07 am

1 stop28h 07m

$200

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 11/14

4:56 pm-9:58 am

1 stop16h 02m

Miami

Mon 11/17

12:05 pm-9:07 am

2 stops22h 02m

$201

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 10/27

10:18 am-12:34 am

2 stops13h 16m

Miami

Fri 10/31

6:00 am-9:07 am

1 stop28h 07m

$202

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 11/7

4:56 pm-9:58 am

1 stop16h 02m

Miami

Tue 11/11

10:15 pm-10:12 am

2 stops36h 57m

$204

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 11/14

7:02 pm-12:46 am

1 stop4h 44m

Miami

Mon 11/24

8:05 am-1:00 pm

1 stop5h 55m

$215

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 10/31

5:15 pm-12:29 am

1 stop6h 14m

Miami

Sat 11/8

8:11 am-12:35 pm

1 stop5h 24m

$244

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 11/13

4:41 pm-8:25 pm

Nonstop2h 44m

Miami

Mon 11/24

8:30 am-10:37 am

Nonstop3h 07m

$255

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 11/20

11:07 am-2:51 pm

Nonstop2h 44m

Miami

Mon 11/24

8:30 am-10:37 am

Nonstop3h 07m

$256

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 September is, on average, the cheapest month to fly to Miami from St. Louis, with most prices found around $316. If you are unable to visit Miami during the month of September, then departing from St. Louis during the month October is also very affordable. Most momondo users find prices during this month for around $324.

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 Tuesday when prices can be found for as low as $562. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Miami on Saturday is $597.

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 $590. 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 $404 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 $357 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.

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

As of October 2025, prices for St. Louis to Miami flights are approximately 24% 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

$129

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 $129. The best round-trip flight deal from St. Louis to Miami found on momondo in the last 72 hours is $369.
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 44m, 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
8,099 reviews
Search Spirit Airlines flights
FrontierPriceFrom $142Free CancellationRating
5.8
3,137 reviews
Search Frontier flights
DeltaPriceFrom $170Free CancellationRating
7.9
7,982 reviews
Search Delta flights
American AirlinesPriceFrom $231Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
SouthwestPriceFrom $272Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
  • Southwest Flights From St. Louis to Miami

    Across 5 Southwest flights from St. Louis to Miami this week, the average price was $463, with the best Southwest deals starting from $272 round-trip. 4,241 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 $231, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $413 round-trip. American Airlines operates 8 flights out of St. Louis into Miami in an average week, so prices vary by time and availability. 11,043 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
Marathon
Palm Beach
Delray Beach
Pompano Beach
Jupiter
Sunny Isles Beach
Dania Beach
Lake Worth
Deerfield Beach
Bonita Springs
Boynton Beach
Miramar
Doral
Miami Gardens
Lauderdale-by-the-Sea

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.

An easier way to manage your Miami 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/15
Sat 11/22

Find better results for your trip to the United States