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Cheap flights from St. Louis to Miami from $79

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 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Spirit Airlines Logo
8:44 am - 6:53 pmSTL-MIA
9h 09m1 stop
Spirit Airlines Logo
7:58 pm - 7:49 amMIA-STL
12h 51m1 stop
$174Spirit Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 21
Spirit Airlines Logo
8:44 am - 6:53 pmSTL-MIA
9h 09m1 stop
Spirit Airlines Logo
7:58 pm - 7:49 amMIA-STL
12h 51m1 stop
$175Spirit Airlines
Find Deal
Fri, Sep 19 - Sun, Sep 21
American Airlines Logo
5:28 am - 9:17 amSTL-MIA
2h 49mnonstop
American Airlines Logo
10:09 pm - 11:59 pmMIA-STL
2h 50mnonstop
$181American Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
American Airlines Logo
5:00 am - 8:49 amSTL-MIA
2h 49mnonstop
American Airlines Logo
10:05 pm - 11:57 pmMIA-STL
2h 52mnonstop
$191American Airlines
Find Deal
Wed, Jul 9 - Wed, Jul 16
Delta Logo
1:29 pm - 7:33 pmSTL-MIA
5h 04m1 stop
Delta Logo
5:30 am - 9:41 amMIA-STL
5h 11m1 stop
$201Delta
Find Deal
Mon, Jul 28 - Thu, Jul 31
Delta Logo
2:15 pm - 11:32 pmSTL-MIA
8h 17m1 stop
Delta Logo
7:23 pm - 11:53 pmMIA-STL
5h 30m1 stop
$211Delta
Find Deal
Tue, Jul 8 - Tue, Jul 15
Frontier Logo
7:54 pm - 6:30 amSTL-MIA
9h 36m1 stop
Frontier Logo
7:05 am - 1:33 pmMIA-STL
7h 28m1 stop
$213Frontier
Find Deal
Sun, Aug 24 - Sat, Aug 30
Frontier Logo
3:02 pm - 11:26 pmSTL-MIA
7h 24m1 stop
Frontier Logo
7:05 am - 1:33 pmMIA-STL
7h 28m1 stop
$221Frontier
Find Deal
Sat, Aug 23 - Sat, Aug 30
Southwest Logo
8:05 am - 11:55 amSTL-MIA
2h 50mnonstop
Southwest Logo
5:55 am - 7:45 amMIA-STL
2h 50mnonstop
$224Southwest
Find Deal
Tue, Jul 1 - Fri, Jul 4
Southwest Logo
2:50 pm - 9:55 pmSTL-MIA
6h 05m1 stop
Southwest Logo
3:15 pm - 5:10 pmMIA-STL
2h 55mnonstop
$225Southwest
Find Deal
Wed, Jul 9 - Wed, Jul 16

American Airlines flights from St. Louis to Miami

Our best American Airlines deals on St. Louis to Miami flight tickets
American Airlines
Sep 17
STL5:28 amLambert-St Louis
2h 49m
MIA9:17 amMiami
Sep 24
MIA10:09 pmMiami
2h 50m
STL11:59 pmLambert-St Louis
American Airlines
Jul 9
STL5:00 amLambert-St Louis
2h 49m
MIA8:49 amMiami
Jul 16
MIA10:05 pmMiami
2h 52m
STL11:57 pmLambert-St Louis
American Airlines
Sep 1
STL5:22 amLambert-St Louis
2h 48m
MIA9:10 amMiami
Sep 6
MIA10:09 pmMiami
2h 50m
STL11:59 pmLambert-St Louis

Frontier flights from St. Louis to Miami

Our best Frontier deals on St. Louis to Miami flight tickets
Frontier
Aug 24
STL7:54 pmLambert-St Louis
9h 36m
1 stop
MIA6:30 amMiami
Aug 30
MIA7:05 amMiami
7h 28m
1 stop
STL1:33 pmLambert-St Louis
Frontier
Aug 23
STL3:02 pmLambert-St Louis
7h 24m
1 stop
MIA11:26 pmMiami
Aug 30
MIA7:05 amMiami
7h 28m
1 stop
STL1:33 pmLambert-St Louis
Frontier
Aug 24
STL7:54 pmLambert-St Louis
9h 36m
1 stop
MIA6:30 amMiami
Aug 30
MIA7:05 amMiami
7h 28m
1 stop
STL1:33 pmLambert-St Louis

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 August is, on average, the cheapest month to fly to Miami from St. Louis, with most prices found around $328. If you are unable to visit Miami during the month of August, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $353.

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 Wednesday when prices can be found for as low as $535. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Miami on Saturday is $593.

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 $482. Flying to Miami in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $605. 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 5 weeks ahead of your departure date. In general, you can expect to find flights to Miami for around $402 when searching 5 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 $353 on momondo.

What cabin class options are available on Lambert-St Louis to Miami flights?

There are 4 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.

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

As of June 2025, prices for St. Louis to Miami flights are approximately 22% 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

$79

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 $79. The best round-trip flight deal from St. Louis to Miami found on momondo in the last 72 hours is $174.
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 near Miami: 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 $64Free CancellationRating
6.3
8,052 reviews
Search Spirit Airlines flights
FrontierPriceFrom $128Free CancellationRating
5.9
3,295 reviews
Search Frontier flights
DeltaPriceFrom $199Free CancellationRating
8.0
7,946 reviews
Search Delta flights
American AirlinesPriceFrom $229Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $292Free CancellationRating
7.4
8,790 reviews
Search United Airlines flights
SouthwestPriceFrom $294Free CancellationRating
8.0
4,287 reviews
Search Southwest flights
  • Southwest Flights From St. Louis to Miami

    Across 5 Southwest flights from St. Louis to Miami this week, the average price was $469, with the best Southwest deals starting from $294 round-trip. 4,287 users have rated Southwest on momondo, with an average score of 8.0/10.

  • United Airlines Flights From St. Louis to Miami

    The best United Airlines deal for St. Louis to Miami flight tickets found on momondo in the last 72 hours was $292, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $458 round-trip. United Airlines operates 9 flights out of St. Louis into Miami in an average week, so prices vary by time and availability. 8,790 United Airlines reviews by users on momondo have scored the airline at 7.4/10.


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
Palm Beach
Marathon
Delray Beach
Pompano Beach
Jupiter
Boynton Beach
Dania Beach
Lake Worth
Sunny Isles Beach
Deerfield Beach
Doral
Bonita Springs
Miramar
Stuart
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
Tue 6/17
Tue 6/24

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