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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 3/18. 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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Find the cheapest flights from St. Louis to Miami

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:16 pm - 8:07 pm
STL
-
MIA
6h 51m
1 stop
Multiple Airlines Logo
8:48 pm - 10:32 am
MIA
-
STL
38h 44m
2 stops
$292Multiple Airlines
Fri, Mar 20 - Sun, Mar 22
Multiple Airlines Logo
12:16 pm - 8:07 pm
STL
-
MIA
6h 51m
1 stop
Multiple Airlines Logo
7:55 am - 9:49 am
MIA
-
STL
26h 54m
2 stops
$293Multiple Airlines
Fri, Mar 20 - Fri, Mar 27
Frontier Logo
8:12 pm - 4:38 am
STL
-
MIA
31h 26m
1 stop
Frontier Logo
5:05 am - 1:34 pm
MIA
-
STL
9h 29m
1 stop
$294Frontier
Sat, Mar 7 - Fri, Mar 13
Frontier Logo
8:12 pm - 4:49 am
STL
-
MIA
7h 37m
1 stop
Frontier Logo
5:05 am - 1:19 pm
MIA
-
STL
9h 14m
1 stop
$295Frontier
Sat, Mar 7 - Mon, Mar 9
Multiple Airlines Logo
12:16 pm - 12:47 am
STL
-
MIA
11h 31m
1 stop
Multiple Airlines Logo
3:12 pm - 10:37 am
MIA
-
STL
20h 25m
1 stop
$296Multiple Airlines
Fri, Mar 13 - Tue, Mar 17
Frontier Logo
8:12 pm - 5:38 am
STL
-
MIA
8h 26m
1 stop
Frontier Logo
5:50 am - 9:49 am
MIA
-
STL
28h 59m
1 stop
$297Frontier
Wed, Mar 11 - Sun, Mar 15
Multiple Airlines Logo
2:17 pm - 12:48 am
STL
-
MIA
9h 31m
1 stop
Multiple Airlines Logo
7:00 am - 7:47 am
MIA
-
STL
25h 47m
1 stop
$298Multiple Airlines
Sun, May 24 - Fri, Jun 5
Delta Logo
10:12 am - 5:28 pm
STL
-
MIA
6h 16m
1 stop
Delta Logo
7:05 am - 11:09 am
MIA
-
STL
5h 04m
1 stop
$299Delta
Tue, Mar 31 - Wed, Apr 1
American Airlines Logo
11:22 am - 3:13 pm
STL
-
MIA
2h 51mnonstop
American Airlines Logo
5:15 pm - 11:46 pm
MIA
-
STL
7h 31m
1 stop
$300American Airlines
Tue, Mar 31 - Tue, Apr 7
Frontier Logo
8:12 pm - 5:38 am
STL
-
MIA
8h 26m
1 stop
Frontier Logo
5:50 am - 9:48 am
MIA
-
STL
28h 58m
1 stop
$301Frontier
Sat, Mar 28 - Fri, Apr 3

Delta flights from St. Louis to Miami

Our best Delta deals on St. Louis to Miami flight tickets
Delta
Mar 31
STL10:12 amLambert-St Louis
6h 16m
1 stop
MIA5:28 pmMiami
Apr 1
MIA7:05 amMiami
5h 04m
1 stop
STL11:09 amLambert-St Louis
$299
Delta
Apr 22
STL1:03 pmLambert-St Louis
6h 45m
1 stop
MIA8:48 pmMiami
Apr 29
MIA6:00 amMiami
5h 34m
1 stop
STL10:34 amLambert-St Louis
$321
Delta
Apr 22
STL9:59 amLambert-St Louis
6h 09m
1 stop
MIA5:08 pmMiami
Apr 24
MIA6:00 amMiami
5h 34m
1 stop
STL10:34 amLambert-St Louis
$327

American Airlines flights from St. Louis to Miami

Our best American Airlines deals on St. Louis to Miami flight tickets
American Airlines
Mar 31
STL11:22 amLambert-St Louis
2h 51m
MIA3:13 pmMiami
Apr 7
MIA5:15 pmMiami
7h 31m
1 stop
STL11:46 pmLambert-St Louis
$300
American Airlines
Apr 22
STL12:27 pmLambert-St Louis
5h 57m
1 stop
MIA7:24 pmMiami
Apr 29
MIA8:15 amMiami
3h 01m
STL10:16 amLambert-St Louis
$311
American Airlines
Apr 22
STL5:24 amLambert-St Louis
2h 51m
MIA9:15 amMiami
Apr 24
MIA5:15 pmMiami
6h 02m
1 stop
STL10:17 pmLambert-St Louis
$317

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 February 26, 2026.
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

Fri 3/20

12:16 pm-8:07 pm

1 stop6h 51m

Miami

Sun 3/22

8:48 pm-10:32 am

2 stops38h 44m

$292

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 3/20

12:16 pm-8:07 pm

1 stop6h 51m

Miami

Fri 3/27

7:55 am-9:49 am

2 stops26h 54m

$293

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 3/7

8:12 pm-4:38 am

1 stop31h 26m

Miami

Fri 3/13

5:05 am-1:34 pm

1 stop9h 29m

$294

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 3/7

8:12 pm-4:49 am

1 stop7h 37m

Miami

Mon 3/9

5:05 am-1:19 pm

1 stop9h 14m

$295

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 3/13

12:16 pm-12:47 am

1 stop11h 31m

Miami

Tue 3/17

3:12 pm-10:37 am

1 stop20h 25m

$296

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 3/11

8:12 pm-5:38 am

1 stop8h 26m

Miami

Sun 3/15

5:50 am-9:49 am

1 stop28h 59m

$297

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 5/24

2:17 pm-12:48 am

1 stop9h 31m

Miami

Fri 6/5

7:00 am-7:47 am

1 stop25h 47m

$298

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 3/31

10:12 am-5:28 pm

1 stop6h 16m

Miami

Wed 4/1

7:05 am-11:09 am

1 stop5h 04m

$299

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 3/31

11:22 am-3:13 pm

Nonstop2h 51m

Miami

Tue 4/7

5:15 pm-11:46 pm

1 stop7h 31m

$300

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 3/28

8:12 pm-5:38 am

1 stop8h 26m

Miami

Fri 4/3

5:50 am-9:48 am

1 stop28h 58m

$301

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 August is also very affordable. Most momondo users find prices during this month for around $330.

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 $501. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Miami on Tuesday is $583.

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 $408. 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 $554. 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 $396 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 $330 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 25% 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 February 2026, prices for St. Louis to Miami flights are approximately 33% 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

$226

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 $226. The best round-trip flight deal from St. Louis to Miami found on momondo in the last 72 hours is $383.
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).
Search flight deals

  • 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 $98Free CancellationRating
6.3
8,494 reviews
Search Spirit Airlines flights
FrontierPriceFrom $121Free CancellationRating
5.7
3,040 reviews
Search Frontier flights
DeltaPriceFrom $124Free CancellationRating
7.9
8,237 reviews
Search Delta flights
American AirlinesPriceFrom $220Free CancellationRating
7.2
11,352 reviews
Search American Airlines flights
SouthwestPriceFrom $246Free CancellationRating
8.0
4,299 reviews
Search Southwest flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
9,347 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 $445, with the best Southwest deals starting from $246 round-trip. 4,299 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 $220, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $404 round-trip. American Airlines operates 17 flights out of St. Louis into Miami in an average week, so prices vary by time and availability. 11,352 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
Hollywood
Islamorada
Key Largo
Marco Island
Palm Beach
Marathon
Delray Beach
Pompano Beach
Sunny Isles Beach
Dania Beach
Bonita Springs
Jupiter
Doral
Boynton Beach
Lake Worth
Deerfield Beach
Lauderdale-by-the-Sea
Surfside
Miramar

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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