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 1/21. 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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Multiple Airlines Logo
8:22 pm - 11:56 am
STL
-
MIA
14h 34m1 stop
Multiple Airlines Logo
9:00 am - 6:51 am
MIA
-
STL
22h 51m2 stops
$232Multiple Airlines
Sat, Feb 7 - Sun, Feb 15
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
$233Frontier
Sat, Feb 14 - Sat, Feb 21
Frontier Logo
1:59 pm - 5:14 am
STL
-
MIA
14h 15m1 stop
Frontier Logo
6:25 am - 1:09 pm
MIA
-
STL
7h 44m1 stop
$237Frontier
Fri, Feb 27 - Mon, Mar 2
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
$238Frontier
Sat, Feb 21 - Fri, Feb 27
Frontier Logo
10:42 am - 7:30 pm
STL
-
MIA
7h 48m1 stop
Frontier Logo
12:39 pm - 7:50 am
MIA
-
STL
20h 11m2 stops
$241Frontier
Thu, Jan 1 - Thu, Jan 8
Frontier Logo
12:03 pm - 4:37 pm
STL
-
MIA
27h 34m1 stop
Frontier Logo
7:09 pm - 6:51 am
MIA
-
STL
12h 42m1 stop
$246Frontier
Sun, Feb 1 - Sun, Feb 8
Multiple Airlines Logo
8:17 pm - 12:16 pm
STL
-
MIA
14h 59m1 stop
Multiple Airlines Logo
7:00 am - 7:07 am
MIA
-
STL
25h 07m2 stops
$247Multiple Airlines
Sat, Feb 28 - Sun, Mar 8
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
3:43 pm - 12:46 am
STL
-
MIA
8h 03m1 stop
Frontier Logo
5:20 am - 2:48 pm
MIA
-
STL
10h 28m1 stop
$252Frontier
Fri, Jan 9 - Sun, Jan 11
Multiple Airlines Logo
3:43 pm - 10:48 am
STL
-
MIA
18h 05m1 stop
Multiple Airlines Logo
8:51 pm - 6:51 am
MIA
-
STL
35h 00m2 stops
$255Multiple Airlines
Fri, Jan 9 - Sat, Jan 17

American Airlines flights from St. Louis to Miami

Our best American Airlines deals on St. Louis to Miami flight tickets
American Airlines
Jan 17
STL5:07 pmLambert-St Louis
2h 58m
MIA9:05 pmMiami
Jan 20
MIA7:00 amMiami
3h 08m
STL9:08 amLambert-St Louis
American Airlines
Feb 4
STL6:02 pmLambert-St Louis
2h 58m
MIA10:00 pmMiami
Feb 11
MIA9:55 pmMiami
3h 04m
STL11:59 pmLambert-St Louis
American Airlines
Jan 17
STL3:54 pmLambert-St Louis
6h 18m
1 stop
MIA11:12 pmMiami
Jan 20
MIA7:00 amMiami
3h 08m
STL9:08 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 27
MIA4:55 pmMiami
3h 05m
STL7:00 pmLambert-St Louis
Southwest
Jan 24
STL5:45 pmLambert-St Louis
2h 40m
MIA9:25 pmMiami
Jan 28
MIA4:55 pmMiami
3h 05m
STL7:00 pmLambert-St Louis
Southwest
Feb 4
STL8:15 amLambert-St Louis
2h 45m
MIA12:00 pmMiami
Feb 11
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 23, 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 2/7

8:22 pm-11:56 am

1 stop14h 34m

Miami

Sun 2/15

9:00 am-6:51 am

2 stops22h 51m

$232

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

$233

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 2/27

1:59 pm-5:14 am

1 stop14h 15m

Miami

Mon 3/2

6:25 am-1:09 pm

1 stop7h 44m

$237

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

$238

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 1/1

10:42 am-7:30 pm

1 stop7h 48m

Miami

Thu 1/8

12:39 pm-7:50 am

2 stops20h 11m

$241

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 2/1

12:03 pm-4:37 pm

1 stop27h 34m

Miami

Sun 2/8

7:09 pm-6:51 am

1 stop12h 42m

$246

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 2/28

8:17 pm-12:16 pm

1 stop14h 59m

Miami

Sun 3/8

7:00 am-7:07 am

2 stops25h 07m

$247

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

Fri 1/9

3:43 pm-12:46 am

1 stop8h 03m

Miami

Sun 1/11

5:20 am-2:48 pm

1 stop10h 28m

$252

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 1/9

3:43 pm-10:48 am

1 stop18h 05m

Miami

Sat 1/17

8:51 pm-6:51 am

2 stops35h 00m

$255

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 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 $555. 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 $589.

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 $469. 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 $580. 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 $400 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 $323 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

$358

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 $358. The best round-trip flight deal from St. Louis to Miami found on momondo in the last 72 hours is $436.
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 $76Free CancellationRating
6.3
8,194 reviews
Search Spirit Airlines flights
FrontierPriceFrom $142Free CancellationRating
5.8
3,074 reviews
Search Frontier flights
DeltaPriceFrom $172Free CancellationRating
7.9
8,014 reviews
Search Delta flights
American AirlinesPriceFrom $219Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
SouthwestPriceFrom $260Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
9,106 reviews
Search United Airlines flights
  • Southwest Flights From St. Louis to Miami

    Across 4 Southwest flights from St. Louis to Miami this week, the average price was $457, with the best Southwest deals starting from $260 round-trip. 4,253 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 $219, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $406 round-trip. American Airlines operates 10 flights out of St. Louis into Miami in an average week, so prices vary by time and availability. 11,050 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
Homestead

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
Thu 1/22
Thu 1/29

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