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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:49 pm - 10:28 am
STL
-
MIA
17h 39m2 stops
Frontier Logo
7:09 pm - 6:51 am
MIA
-
STL
12h 42m1 stop
$238Frontier
Thu, Feb 19 - Sun, Mar 1
Frontier Logo
2:51 pm - 5:14 am
STL
-
MIA
13h 23m1 stop
Frontier Logo
6:25 am - 1:09 pm
MIA
-
STL
7h 44m1 stop
$240Frontier
Sat, Feb 21 - Fri, Feb 27
Multiple Airlines Logo
3:43 pm - 12:46 am
STL
-
MIA
8h 03m1 stop
Multiple Airlines Logo
7:00 am - 8:05 am
MIA
-
STL
26h 05m2 stops
$241Multiple Airlines
Fri, Jan 9 - Sun, Jan 11
Frontier Logo
8:22 pm - 10:59 am
STL
-
MIA
13h 37m1 stop
Frontier Logo
3:09 pm - 6:51 am
MIA
-
STL
40h 42m2 stops
$242Frontier
Sat, Feb 7 - Sat, Feb 14
Frontier Logo
5:42 pm - 10:59 am
STL
-
MIA
16h 17m2 stops
Frontier Logo
7:09 pm - 6:51 am
MIA
-
STL
12h 42m1 stop
$247Frontier
Thu, Jan 22 - Sun, Jan 25
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
$248Multiple Airlines
Tue, Dec 30 - Tue, Jan 6
Frontier Logo
2:09 pm - 12:47 am
STL
-
MIA
9h 38m1 stop
Frontier Logo
5:05 am - 1:19 pm
MIA
-
STL
9h 14m1 stop
$250Frontier
Fri, Mar 6 - Mon, Mar 9
Frontier Logo
2:51 pm - 5:14 am
STL
-
MIA
13h 23m1 stop
Frontier Logo
6:25 am - 1:56 pm
MIA
-
STL
8h 31m1 stop
$253Frontier
Sat, Feb 14 - Sat, Feb 21
Multiple Airlines Logo
10:42 am - 9:04 pm
STL
-
MIA
9h 22m1 stop
Multiple Airlines Logo
6:16 pm - 10:02 am
MIA
-
STL
16h 46m1 stop
$255Multiple Airlines
Thu, Jan 1 - Tue, Jan 6
Frontier Logo
10:48 am - 7:30 pm
STL
-
MIA
7h 42m1 stop
Frontier Logo
5:30 am - 9:40 am
MIA
-
STL
5h 10m1 stop
$258Frontier
Tue, Dec 30 - Thu, Jan 1

Frontier flights from St. Louis to Miami

Our best Frontier deals on St. Louis to Miami flight tickets
Frontier
Feb 28
STL3:49 pmLambert-St Louis
17h 34m
2 stops
MIA10:23 amMiami
Mar 8
MIA12:26 pmMiami
25h 53m
1 stop
STL1:19 pmLambert-St Louis
Frontier
Feb 21
STL2:51 pmLambert-St Louis
13h 23m
1 stop
MIA5:14 amMiami
Feb 27
MIA6:25 amMiami
7h 44m
1 stop
STL1:09 pmLambert-St Louis
Frontier
Feb 7
STL8:22 pmLambert-St Louis
13h 37m
1 stop
MIA10:59 amMiami
Feb 14
MIA3:09 pmMiami
40h 42m
2 stops
STL6:51 amLambert-St Louis

Southwest flights from St. Louis to Miami

Our best Southwest deals on St. Louis to Miami flight tickets
Southwest
Jan 24
STL5:45 pmLambert-St Louis
2h 40m
MIA9:25 pmMiami
Jan 31
MIA7:35 amMiami
3h 00m
STL9:35 amLambert-St Louis
Southwest
Jan 24
STL5:45 pmLambert-St Louis
2h 40m
MIA9:25 pmMiami
Jan 31
MIA7:00 amMiami
6h 50m
1 stop
STL12:50 pmLambert-St Louis
Southwest
Jan 7
STL8:15 amLambert-St Louis
2h 45m
MIA12:00 pmMiami
Jan 14
MIA4:55 pmMiami
3h 05m
STL7:00 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 December 18, 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

Thu 2/19

3:49 pm-10:28 am

2 stops17h 39m

Miami

Sun 3/1

7:09 pm-6:51 am

1 stop12h 42m

$238

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 2/21

2:51 pm-5:14 am

1 stop13h 23m

Miami

Fri 2/27

6:25 am-1:09 pm

1 stop7h 44m

$240

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 1/9

3:43 pm-12:46 am

1 stop8h 03m

Miami

Sun 1/11

7:00 am-8:05 am

2 stops26h 05m

$241

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 2/7

8:22 pm-10:59 am

1 stop13h 37m

Miami

Sat 2/14

3:09 pm-6:51 am

2 stops40h 42m

$242

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 1/22

5:42 pm-10:59 am

2 stops16h 17m

Miami

Sun 1/25

7:09 pm-6:51 am

1 stop12h 42m

$247

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

$248

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 3/6

2:09 pm-12:47 am

1 stop9h 38m

Miami

Mon 3/9

5:05 am-1:19 pm

1 stop9h 14m

$250

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 2/14

2:51 pm-5:14 am

1 stop13h 23m

Miami

Sat 2/21

6:25 am-1:56 pm

1 stop8h 31m

$253

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 1/1

10:42 am-9:04 pm

1 stop9h 22m

Miami

Tue 1/6

6:16 pm-10:02 am

1 stop16h 46m

$255

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 12/30

10:48 am-7:30 pm

1 stop7h 42m

Miami

Thu 1/1

5:30 am-9:40 am

1 stop5h 10m

$258

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
8,190 reviews
Search Spirit Airlines flights
FrontierPriceFrom $142Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
DeltaPriceFrom $172Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
SouthwestPriceFrom $261Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
  • Southwest Flights From St. Louis to Miami

    Across 3 Southwest flights from St. Louis to Miami this week, the average price was $456, with the best Southwest deals starting from $261 round-trip. 4,250 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 2 flights out of St. Louis into Miami in an average week, so prices vary by time and availability. 11,055 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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1 adult
Sat 1/17
Sat 1/24

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