Cheap flights from St. Louis to Miami from $64

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 1/14. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:57 am - 1:06 pm
STL
-
MIA
25h 09m1 stop
Multiple Airlines Logo
8:00 am - 10:33 pm
MIA
-
STL
15h 33m2 stops
$221Multiple Airlines
Sun, Jan 4 - Wed, Jan 7
Multiple Airlines Logo
10:48 am - 1:06 pm
STL
-
MIA
25h 18m1 stop
Multiple Airlines Logo
9:59 pm - 10:33 pm
MIA
-
STL
25h 34m2 stops
$222Multiple Airlines
Tue, Dec 30 - Tue, Jan 6
Multiple Airlines Logo
12:03 pm - 4:37 pm
STL
-
MIA
27h 34m1 stop
Multiple Airlines Logo
8:51 pm - 6:51 am
MIA
-
STL
35h 00m2 stops
$226Multiple Airlines
Sun, Feb 1 - Sat, Feb 7
Frontier Logo
5:11 pm - 11:39 am
STL
-
MIA
17h 28m2 stops
Frontier Logo
7:09 pm - 6:51 am
MIA
-
STL
12h 42m1 stop
$228Frontier
Sun, Jan 18 - Thu, Jan 22
Multiple Airlines Logo
10:11 pm - 11:40 am
STL
-
MIA
12h 29m2 stops
Multiple Airlines Logo
7:09 pm - 6:51 am
MIA
-
STL
12h 42m1 stop
$229Multiple Airlines
Thu, Feb 26 - Sun, Mar 1
Frontier Logo
8:17 pm - 10:28 am
STL
-
MIA
13h 11m1 stop
Frontier Logo
6:25 am - 1:56 pm
MIA
-
STL
8h 31m1 stop
$231Frontier
Fri, Feb 20 - Sat, Feb 28
Multiple Airlines Logo
10:57 am - 1:06 pm
STL
-
MIA
25h 09m1 stop
Multiple Airlines Logo
7:00 am - 10:33 pm
MIA
-
STL
16h 33m2 stops
$233Multiple Airlines
Sun, Jan 4 - Sat, Jan 10
Frontier Logo
3:49 pm - 10:23 am
STL
-
MIA
17h 34m2 stops
Frontier Logo
12:26 pm - 1:19 pm
MIA
-
STL
25h 53m1 stop
$235Frontier
Sat, Feb 28 - Sun, Mar 8
Frontier Logo
10:11 pm - 4:51 pm
STL
-
MIA
17h 40m2 stops
Frontier Logo
7:09 pm - 6:51 am
MIA
-
STL
12h 42m1 stop
$236Frontier
Thu, Feb 26 - Sun, Mar 1
Multiple Airlines Logo
3:49 pm - 12:08 pm
STL
-
MIA
19h 19m2 stops
Multiple Airlines Logo
7:05 am - 6:51 am
MIA
-
STL
24h 46m1 stop
$238Multiple Airlines
Tue, Feb 17 - Sun, Feb 22

Frontier flights from St. Louis to Miami

Our best Frontier deals on St. Louis to Miami flight tickets
Frontier
Jan 18
STL5:11 pmLambert-St Louis
17h 28m
2 stops
MIA11:39 amMiami
Jan 22
MIA7:09 pmMiami
12h 42m
1 stop
STL6:51 amLambert-St Louis
Frontier
Feb 20
STL8:17 pmLambert-St Louis
13h 11m
1 stop
MIA10:28 amMiami
Feb 28
MIA6:25 amMiami
8h 31m
1 stop
STL1:56 pmLambert-St Louis
Frontier
Dec 17
STL7:43 pmLambert-St Louis
8h 36m
1 stop
MIA5:19 amMiami
Dec 30
MIA5:30 amMiami
5h 10m
1 stop
STL9:40 amLambert-St Louis

Southwest flights from St. Louis to Miami

Our best Southwest deals on St. Louis to Miami flight tickets
Southwest
Jan 20
STL8:15 amLambert-St Louis
2h 45m
MIA12:00 pmMiami
Jan 28
MIA4:55 pmMiami
3h 05m
STL7:00 pmLambert-St Louis
Southwest
Jan 14
STL11:35 amLambert-St Louis
7h 30m
1 stop
MIA8:05 pmMiami
Jan 17
MIA7:35 amMiami
3h 00m
STL9:35 amLambert-St Louis
Southwest
Feb 21
STL2:35 pmLambert-St Louis
8h 45m
1 stop
MIA12:20 amMiami
Feb 28
MIA6:00 amMiami
3h 05m
STL8:05 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 December 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

Sun 1/4

10:57 am-1:06 pm

1 stop25h 09m

Miami

Wed 1/7

8:00 am-10:33 pm

2 stops15h 33m

$221

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 12/30

10:48 am-1:06 pm

1 stop25h 18m

Miami

Tue 1/6

9:59 pm-10:33 pm

2 stops25h 34m

$222

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 2/1

12:03 pm-4:37 pm

1 stop27h 34m

Miami

Sat 2/7

8:51 pm-6:51 am

2 stops35h 00m

$226

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 1/18

5:11 pm-11:39 am

2 stops17h 28m

Miami

Thu 1/22

7:09 pm-6:51 am

1 stop12h 42m

$228

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 2/26

10:11 pm-11:40 am

2 stops12h 29m

Miami

Sun 3/1

7:09 pm-6:51 am

1 stop12h 42m

$229

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 2/20

8:17 pm-10:28 am

1 stop13h 11m

Miami

Sat 2/28

6:25 am-1:56 pm

1 stop8h 31m

$231

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 1/4

10:57 am-1:06 pm

1 stop25h 09m

Miami

Sat 1/10

7:00 am-10:33 pm

2 stops16h 33m

$233

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 2/28

3:49 pm-10:23 am

2 stops17h 34m

Miami

Sun 3/8

12:26 pm-1:19 pm

1 stop25h 53m

$235

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 2/26

10:11 pm-4:51 pm

2 stops17h 40m

Miami

Sun 3/1

7:09 pm-6:51 am

1 stop12h 42m

$236

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 2/17

3:49 pm-12:08 pm

2 stops19h 19m

Miami

Sun 2/22

7:05 am-6:51 am

1 stop24h 46m

$238

Flights are sorted by cheapest round-trip flights 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 September is, on average, the cheapest month to fly to Miami from St. Louis, with most prices found around $319. 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 $329.

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 Sunday when prices can be found for as low as $551. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Miami on Thursday 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 $440. Flying to Miami in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $582. 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 $401 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 $319 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?

No. A direct flight is the cheapest option for a flight between St. Louis to Miami.

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

As of December 2025, prices for St. Louis to Miami flights are approximately 10% more expensive 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

$338

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 $338. The best round-trip flight deal from St. Louis to Miami found on momondo in the last 72 hours is $427.
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 in Miami. From St. Louis there are direct flights to 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 $69Free CancellationRating
6.3
8,187 reviews
Search Spirit Airlines flights
FrontierPriceFrom $142Free CancellationRating
5.8
3,080 reviews
Search Frontier flights
DeltaPriceFrom $172Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
SouthwestPriceFrom $261Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
  • Southwest Flights From St. Louis to Miami

    Across 6 Southwest flights from St. Louis to Miami this week, the average price was $456, with the best Southwest deals starting from $261 round-trip. 4,249 users have rated Southwest on momondo, with an average score of 7.9/10.

  • 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 $218, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $405 round-trip. American Airlines operates 7 flights out of St. Louis into Miami in an average week, so prices vary by time and availability. 11,051 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
Bonita Springs
Deerfield Beach
Boynton Beach
Doral
Miramar
Lauderdale-by-the-Sea
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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Wed 1/14
Wed 1/21

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