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Cheap flights from St. Louis to Miami from $65

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 5/12. 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
8:19 pm - 5:49 am
STL
-
MIA
8h 30m
1 stop
Multiple Airlines Logo
3:54 pm - 6:50 am
MIA
-
STL
15h 56m
1 stop
$271Multiple Airlines
Mon, Apr 13 - Sun, Apr 19
Multiple Airlines Logo
8:16 pm - 1:06 pm
STL
-
MIA
15h 50m
2 stops
Multiple Airlines Logo
3:54 pm - 6:50 am
MIA
-
STL
15h 56m
1 stop
$279Multiple Airlines
Fri, Apr 10 - Sun, Apr 19
Frontier Logo
8:12 pm - 5:38 am
STL
-
MIA
8h 26m
1 stop
Frontier Logo
5:05 am - 10:30 am
MIA
-
STL
6h 25m
1 stop
$280Frontier
Sat, Mar 28 - Sun, Apr 5
Frontier Logo
6:29 pm - 12:49 am
STL
-
MIA
5h 20m
1 stop
Frontier Logo
5:45 am - 11:58 pm
MIA
-
STL
19h 13m
2 stops
$282Frontier
Thu, Apr 9 - Fri, Apr 10
Multiple Airlines Logo
6:55 pm - 9:40 am
STL
-
MIA
13h 45m
1 stop
Multiple Airlines Logo
8:10 am - 12:21 am
MIA
-
STL
17h 11m
2 stops
$283Multiple Airlines
Thu, May 7 - Fri, May 15
Frontier Logo
4:59 pm - 12:03 pm
STL
-
MIA
18h 04m
2 stops
Frontier Logo
7:00 am - 7:32 pm
MIA
-
STL
13h 32m
1 stop
$284Frontier
Tue, Apr 14 - Sat, Apr 18
Multiple Airlines Logo
6:55 pm - 9:40 am
STL
-
MIA
13h 45m
1 stop
Multiple Airlines Logo
8:00 am - 7:23 pm
MIA
-
STL
12h 23m
2 stops
$285Multiple Airlines
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
8:23 pm - 2:10 pm
STL
-
MIA
16h 47m
1 stop
Multiple Airlines Logo
12:53 pm - 11:19 pm
MIA
-
STL
11h 26m
2 stops
$288Multiple Airlines
Fri, Apr 24 - Sun, Apr 26
Multiple Airlines Logo
8:06 pm - 10:12 am
STL
-
MIA
13h 06m
2 stops
Multiple Airlines Logo
3:54 pm - 6:50 am
MIA
-
STL
15h 56m
1 stop
$289Multiple Airlines
Fri, Apr 24 - Sun, Apr 26
Frontier Logo
8:08 pm - 5:33 am
STL
-
MIA
8h 25m
1 stop
Frontier Logo
6:00 am - 7:23 pm
MIA
-
STL
14h 23m
1 stop
$290Frontier
Mon, Jun 8 - Sat, Jun 20

Frontier flights from St. Louis to Miami

Our best Frontier deals on St. Louis to Miami flight tickets
Frontier
Apr 2
STL6:29 pmLambert-St Louis
5h 20m
1 stop
MIA12:49 amMiami
Apr 7
MIA5:05 amMiami
6h 25m
1 stop
STL10:30 amLambert-St Louis
$280
Frontier
Apr 16
STL11:25 amLambert-St Louis
12h 24m
1 stop
MIA12:49 amMiami
Apr 21
MIA7:04 pmMiami
12h 46m
1 stop
STL6:50 amLambert-St Louis
$281
Frontier
Apr 9
STL6:29 pmLambert-St Louis
5h 20m
1 stop
MIA12:49 amMiami
Apr 10
MIA5:45 amMiami
19h 13m
2 stops
STL11:58 pmLambert-St Louis
$282

Southwest flights from St. Louis to Miami

Our best Southwest deals on St. Louis to Miami flight tickets
Southwest
May 2
STL6:20 amLambert-St Louis
9h 40m
2 stops
MIA5:00 pmMiami
May 5
MIA5:45 pmMiami
5h 50m
1 stop
STL10:35 pmLambert-St Louis
$318
Southwest
May 2
STL6:20 amLambert-St Louis
9h 40m
2 stops
MIA5:00 pmMiami
May 5
MIA7:00 amMiami
9h 15m
2 stops
STL3:15 pmLambert-St Louis
$323
Southwest
Jun 1
STL1:50 pmLambert-St Louis
2h 40m
MIA5:30 pmMiami
Jun 5
MIA5:40 amMiami
2h 50m
STL7:30 amLambert-St Louis
$326

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 March 23, 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

Cheapest round-trip

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 4/13

8:19 pm-5:49 am

1 stop8h 30m

Miami

Sun 4/19

3:54 pm-6:50 am

1 stop15h 56m

$271

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 4/10

8:16 pm-1:06 pm

2 stops15h 50m

Miami

Sun 4/19

3:54 pm-6:50 am

1 stop15h 56m

$279
Quickest round-trip

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 3/28

8:12 pm-5:38 am

1 stop8h 26m

Miami

Sun 4/5

5:05 am-10:30 am

1 stop6h 25m

$280

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 4/9

6:29 pm-12:49 am

1 stop5h 20m

Miami

Fri 4/10

5:45 am-11:58 pm

2 stops19h 13m

$282

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 5/7

6:55 pm-9:40 am

1 stop13h 45m

Miami

Fri 5/15

8:10 am-12:21 am

2 stops17h 11m

$283

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 4/14

4:59 pm-12:03 pm

2 stops18h 04m

Miami

Sat 4/18

7:00 am-7:32 pm

1 stop13h 32m

$284

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 5/7

6:55 pm-9:40 am

1 stop13h 45m

Miami

Mon 5/11

8:00 am-7:23 pm

2 stops12h 23m

$285

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 4/24

8:23 pm-2:10 pm

1 stop16h 47m

Miami

Sun 4/26

12:53 pm-11:19 pm

2 stops11h 26m

$288

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 4/24

8:06 pm-10:12 am

2 stops13h 06m

Miami

Sun 4/26

3:54 pm-6:50 am

1 stop15h 56m

$289

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 6/8

8:08 pm-5:33 am

1 stop8h 25m

Miami

Sat 6/20

6:00 am-7:23 pm

1 stop14h 23m

$290

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 $313. 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 $336.

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 Monday 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 $587.

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 $394. 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 $549. 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 $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?

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 March 2026, prices for St. Louis to Miami flights are approximately 18% 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

$208

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 $208. 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).
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
8,532 reviews
Search Spirit Airlines flights
DeltaPriceFrom $124Free CancellationRating
7.9
8,314 reviews
Search Delta flights
FrontierPriceFrom $142Free CancellationRating
5.7
3,019 reviews
Search Frontier flights
JetBluePriceFrom $220Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
American AirlinesPriceFrom $221Free CancellationRating
7.1
11,486 reviews
Search American Airlines flights
SouthwestPriceFrom $235Free CancellationRating
8.0
4,324 reviews
Search Southwest flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
9,455 reviews
Search United Airlines flights

  • Southwest Flights From St. Louis to Miami

    Across 8 Southwest flights from St. Louis to Miami this week, the average price was $444, with the best Southwest deals starting from $235 round-trip. 4,324 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 $221, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $407 round-trip. American Airlines operates 18 flights out of St. Louis into Miami in an average week, so prices vary by time and availability. 11,486 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

Traveling to a place near Miami?

Book flights to Miami if you plan to visit one of these locations
Miami Beach
Hollywood
Islamorada
Marco Island
Key Largo
Palm Beach
Marathon
Delray Beach
Pompano Beach
Dania Beach
Sunny Isles Beach
Bonita Springs
Doral
Jupiter
Boynton Beach
Lake Worth
Lauderdale-by-the-Sea
Deerfield Beach
Surfside
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.

An easier way to manage your Miami trip

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