HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Miami

$72+ Cheap flights from St. Louis to Miami (STL - MIA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MIA
Oct 10 — Oct 171
Fri 10/10
Fri 10/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Miami with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Lambert-St Louis to Miami are usually found in August or September, booked 33 days in advance, depart on a Wednesday or Sunday and return on a Saturday

Cheap flight deals from St. Louis to Miami

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Miami (MIA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 10, 2025.

Round-trip from

$163
(Frontier)

One-way from

$72
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$349

Good round-trip deal

$357 or less

Good one-way deal

$186 or less
From Lambert-St Louis to Miami
Search Deals
One-way flight from Lambert-St Louis to Miami
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Miami.
Search Deals
Price to beat on a one-way flight from Lambert-St Louis to Miami.
Search Deals

Find flight deals from St. Louis to Miami

Cheapest flights from St. Louis to Miami
Explore the most affordable flight options available from St. Louis to Miami. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2025.

This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:17 amSTL - MIA
1 stop6h 16mFrontier
Thu 10/3010:30 amMIA - STL
1 stop7h 57mFrontier
Deal found 9/8$163
This Booking.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/214:00 pmSTL - MIA
1 stop15h 29mFrontier
Wed 9/246:25 pmMIA - STL
1 stop21h 39mFrontier
Deal found 9/8$164
This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:52 pmSTL - MIA
1 stop9h 27mFrontier
Thu 10/3010:30 amMIA - STL
1 stop7h 57mFrontier
Deal found 9/8$168
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:02 pmSTL - MIA
1 stop22h 07mFrontier
Sun 11/165:01 amMIA - STL
1 stop6h 11mFrontier
Deal found 9/9$172
This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:52 pmSTL - MIA
1 stop9h 27mFrontier
Sun 11/210:30 amMIA - STL
1 stop7h 58mFrontier
Deal found 9/8$173
This Priceline deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:17 amSTL - MIA
1 stop6h 16mFrontier
Thu 11/65:01 amMIA - STL
1 stop6h 11mFrontier
Deal found 9/7$177
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:35 pmSTL - MIA
Nonstop2h 40mSouthwest
Tue 11/41:45 pmMIA - STL
1 stop8h 15mSouthwest
Deal found 9/9$178
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:45 pmSTL - MIA
1 stop9h 34mFrontier
Sun 11/165:01 amMIA - STL
1 stop6h 11mFrontier
Deal found 9/9$180
This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:52 pmSTL - MIA
1 stop9h 27mFrontier
Fri 10/315:05 amMIA - STL
1 stop11h 52mFrontier
Deal found 9/8$182
This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:52 pmSTL - MIA
1 stop9h 27mFrontier
Fri 10/315:05 amMIA - STL
1 stop11h 52mFrontier
Deal found 9/8$183

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 10, 2025.
Use the filters below to find and compare flights from St. Louis to Miami that are best for you.

Fly from

St. Louis

Fly to

Miami

Route

Depart

Return

Price

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 10/28

6:35 pm-10:15 pm

Nonstop2h 40m

Miami

Tue 11/4

6:55 am-1:50 pm

2 stops7h 55m

$183

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 10/21

1:30 pm-6:34 pm

1 stop4h 04m

Miami

Wed 10/29

8:11 am-12:35 pm

1 stop5h 24m

$197

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 10/22

9:10 am-5:10 pm

1 stop7h 00m

Miami

Wed 10/29

10:40 am-2:43 pm

1 stop5h 03m

$197

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 10/25

5:15 pm-12:29 am

1 stop6h 14m

Miami

Sat 11/1

6:00 am-9:15 am

1 stop4h 15m

$197

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 10/7

2:15 pm-9:27 pm

1 stop6h 12m

Miami

Tue 10/14

8:11 am-12:35 pm

1 stop5h 24m

$198

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 10/7

6:35 pm-10:15 pm

Nonstop2h 40m

Miami

Tue 10/14

10:30 am-12:30 pm

Nonstop3h 00m

$207

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 10/27

12:35 pm-4:15 pm

Nonstop2h 40m

Miami

Tue 11/4

6:55 am-1:50 pm

2 stops7h 55m

$215

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 10/28

6:00 am-11:08 am

1 stop4h 08m

Miami

Thu 10/30

8:30 am-1:22 pm

1 stop5h 52m

$223

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 10/28

11:21 am-5:10 pm

1 stop4h 49m

Miami

Fri 10/31

6:00 am-9:15 am

1 stop4h 15m

$223

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 10/14

6:35 pm-10:15 pm

Nonstop2h 40m

$74

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 19 results
1
2

The best insider tips for St. Louis to Miami flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Miami trip
Airports
STL

Expect security screening at STL to take 5-10 minutes during off-peak times. Check real-time wait times online before heading to the airport.

Read more about STLby Taryn White
MIA

Take the MIA Mover train to the Miami Intermodal Center for rental cars and public transport options to downtown or Brickell.

Read more about MIAby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on MIA

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

Best time to book a flight from St. Louis to Miami

Have a flexible travel schedule? Discover the best time to fly to Miami from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Miami

How far ahead should I book a flight from St. Louis to Miami?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Miami. Price data was last updated on August 29, 2025.

The price you pay for your flight from St. Louis to Miami may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Miami?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Miami (average of $232). Flying from St. Louis to Miami in March is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to MIA?

Find hourly flight availability from St. Louis to Miami. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Miami in the evening. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from St. Louis to Miami?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Miami. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their St. Louis to Miami flight should consider departing on Monday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Miami

Get insights into the airlines that provide service to Miami. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Miami. Reviews last updated September 10, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from St. Louis to Miami by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,249 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,963 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,024 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,181 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Miami. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from St. Louis to Miami?

    Miami is the airport most travelers will use when flying to Miami from Lambert-St Louis. Booking flights from Lambert-St Louis (STL) to Miami (MIA) should be relatively easy as there are 2 daily flights to Miami from 6 different airlines. 2h 40m is how long a flight from St. Louis to Miami will take if you book a nonstop flight.

  • How popular is this St. Louis to Miami flight route?

    Flights from Lambert-St Louis to Miami have been viewed 56 times in the past calendar month.

  • How long is the flight from St. Louis to Miami?

    For as low as $183, Southwest can have you in Miami from St. Louis in 2h 40m. The distance between St. Louis and Miami is about 1069 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Miami round-trip?

    Currently priced at $76, Spirit Airlines will fly you from St. Louis to Miami and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $143 and $196, respectively. These flights start at 81% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Miami one-way?

    The cheapest airlines for a one-way flight from St. Louis to Miami are Southwest ($74), Frontier ($96), and Delta ($99).

  • What are the most reliable airlines from St. Louis to Miami?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from St. Louis to Miami on time: Envoy Air (100%), GOL (95%), American Airlines (93%).

  • What are the cheapest flights from St. Louis to Miami?

    On average you can expect to pay $1,066 for a flight from St. Louis to Miami. The cheapest flight overall is $139 while the most popular route, (Lambert-St Louis - Miami) is currently priced at $153.

  • Can I find deals for flights from St. Louis to Miami that include hotel bookings?

    Yes. In addition to deals on St. Louis to Miami flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Miami?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Miami.

  • Can I find deals for business class flights from St. Louis to Miami?

    Yes. Cheapflights offers flight deals from St. Louis to Miami by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Miami?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Miami (average of $232). Flying from St. Louis to Miami in March is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Miami?

Book flights to Miami if you plan to visit one of these locations
Hollywood
Aventura
Coral Gables
Sunny Isles Beach
Marathon
Doral
Boynton Beach
Miami Springs
Hialeah
Palm Beach
Plantation
Sunrise
Pembroke Pines
Dania Beach
Riviera Beach
Miami Lakes
Palm Beach Gardens
Miami Gardens
Wilton Manors
Hallandale Beach

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Miami

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Orlando flights
Kansas City to Orlando flights
Kansas City to Miami flights
Kansas City to Fort Lauderdale flights
St. Louis to Fort Lauderdale flights
St. Louis to Tampa flights
Kansas City to Tampa flights
St. Louis to Jacksonville flights
Kansas City to Pensacola flights
St. Louis to Key West flights
St. Louis to West Palm Beach flights
Kansas City to Jacksonville flights
Springfield to Orlando flights
Kansas City to West Palm Beach flights
St. Louis to Fort Myers flights
St. Louis to Sarasota flights
Springfield to Miami flights
Kansas City to Fort Myers flights
St. Louis to Pensacola flights
Kansas City to Sarasota flights
Kansas City to Key West flights
Kansas City to Panama City flights
Springfield to Pensacola flights
Springfield to Tampa flights
Springfield to Fort Lauderdale flights
St. Louis to Panama City flights
Kansas City to Valparaiso flights
Springfield to Sarasota flights
Springfield to Key West flights
St. Louis to Daytona Beach flights
Columbia to Pensacola flights
Joplin to Pensacola flights
St. Louis to Valparaiso flights
Springfield to Jacksonville flights
Springfield to Panama City flights
Kansas City to St Petersburg flights
Springfield to Fort Myers flights
Springfield to West Palm Beach flights
Kansas City to Daytona Beach flights
Springfield to Melbourne flights
Kansas City to Melbourne flights
Joplin to Tampa flights
Joplin to Sarasota flights
Joplin to Miami flights
Joplin to Orlando flights
St. Louis to Gainesville flights
Columbia to Orlando flights
Springfield to Daytona Beach flights
St. Louis to Tallahassee flights

Top 6 airlines flying from St. Louis to Miami

Discover the top 6 airlines that operate flights from St. Louis to Miami. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$76Average$161FlexibilityNo cancel feeOn-time65%
FrontierCheapest$143Average$233FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$392FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$245Average$414FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$278Average$469FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$352Average$458FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.