Miami

$64+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MIA
Jan 17 — Jan 241
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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

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

Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Tue 12/3010:48 amSTL - MIA
1 stop25h 18mMultiple Airlines
Tue 1/69:59 pmMIA - STL
2 stops25h 34mMultiple Airlines
Deal found 12/17$248
This Frontier deal was found by Cheapflights users on 12/16. 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.
Tue 12/3010:48 amSTL - MIA
1 stop7h 42mFrontier
Thu 1/15:30 amMIA - STL
1 stop5h 10mFrontier
Deal found 12/16$258
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/314:27 pmSTL - MIA
2 stops43h 39mMultiple Airlines
Wed 1/77:09 pmMIA - STL
1 stop20h 39mMultiple Airlines
Deal found 12/16$264
This Travelocity deal was found by Cheapflights users on 12/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:10 pmSTL - MIA
1 stop30h 25mFrontier
Tue 12/305:30 amMIA - STL
1 stop5h 10mFrontier
Deal found 12/16$267
This Priceline deal was found by Cheapflights users on 12/15. 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.
Tue 12/3010:48 amSTL - MIA
1 stop7h 42mFrontier
Sun 1/45:30 amMIA - STL
1 stop5h 10mFrontier
Deal found 12/15$268
This Super.com deal was found by Cheapflights users on 12/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:19 pmSTL - MIA
1 stop11h 16mFrontier
Thu 1/15:30 amMIA - STL
1 stop5h 10mFrontier
Deal found 12/16$271
This Frontier deal was found by Cheapflights users on 12/15. 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.
Wed 12/317:43 pmSTL - MIA
1 stop8h 17mFrontier
Sun 1/45:30 amMIA - STL
1 stop5h 10mFrontier
Deal found 12/15$277
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 pmSTL - MIA
Nonstop2h 57mAmerican Airlines
Thu 1/17:00 amMIA - STL
1 stop7h 14mAmerican Airlines
Deal found 12/16$293
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/3010:48 amSTL - MIA
1 stop9h 16mMultiple Airlines
Sun 1/45:30 amMIA - STL
1 stop5h 10mMultiple Airlines
Deal found 12/16$294
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/3010:48 amSTL - MIA
1 stop9h 16mMultiple Airlines
Sat 1/39:59 pmMIA - STL
1 stop12h 41mMultiple Airlines
Deal found 12/16$295
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:05 amSTL - MIA
Nonstop2h 59mAmerican Airlines
Wed 1/73:19 pmMIA - STL
Nonstop3h 03mAmerican Airlines
Deal found 12/16$298

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238
(Kiwi.com)

One-way from

$64
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$439

Good round-trip deal

$427 or less

Good one-way deal

$338 or less
Provider with most accurate pricing for Lambert-St Louis-Miami flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Miami flights.
From Lambert-St Louis to Miami
One-way flight from Lambert-St Louis to Miami
Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Lambert-St Louis to Miami.
Price to beat on a one-way flight from Lambert-St Louis to Miami.

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 December 18, 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 1/6

5:11 pm-10:48 am

2 stops16h 37m

Miami

Sat 1/10

7:09 pm-2:48 pm

1 stop20h 39m

$265

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 1/14

6:00 am-1:30 pm

1 stop6h 30m

Miami

Sat 1/17

4:19 pm-9:13 pm

1 stop5h 54m

$291

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 1/14

11:35 am-8:05 pm

1 stop7h 30m

Miami

Sat 1/17

7:35 am-9:35 am

Nonstop3h 00m

$308

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 2/7

5:45 pm-9:25 pm

Nonstop2h 40m

Miami

Fri 2/13

7:20 pm-9:25 pm

Nonstop3h 05m

$319

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 1/31

5:45 pm-9:25 pm

Nonstop2h 40m

Miami

Thu 2/26

7:20 pm-9:25 pm

Nonstop3h 05m

$319

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 2/21

12:30 pm-10:30 pm

2 stops9h 00m

Miami

Tue 2/24

7:15 am-4:00 pm

2 stops9h 45m

$319

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 2/4

10:10 am-5:15 pm

1 stop6h 05m

Miami

Mon 2/9

4:51 pm-10:00 pm

1 stop6h 09m

$325

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 1/23

1:10 pm-9:30 pm

1 stop7h 20m

Miami

Wed 1/28

4:55 pm-7:00 pm

Nonstop3h 05m

$329

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 1/30

11:30 am-6:35 pm

1 stop6h 05m

Miami

Sat 1/31

7:35 am-9:35 am

Nonstop3h 00m

$329

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 1/10

5:00 pm-12:51 am

1 stop6h 51m

Miami

Sun 1/18

7:15 am-11:05 am

1 stop4h 50m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 21 results
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Compare providers for flights from St. Louis to Miami

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Miami in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Miami flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Miami flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Miami flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Miami flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Miami flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 12, 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, February is the cheapest month in which you can book a flight from St. Louis to Miami (average of $68). Flying from St. Louis to Miami in June is currently the most expensive (average of $122). 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 December 18, 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 24% on your trip compared to booking a flight in the morning.

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 December 13, 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. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for St. Louis to Miami flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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.

MIA

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

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

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 December 18, 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.

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 is 1 daily flight 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?

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

    For as low as $235, Frontier can have you in Miami from St. Louis in 17h 34m. The distance between St. Louis and Miami is about 1069 mi.

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

    Currently priced at $68, 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 $114 and $115, respectively. These flights start at 83% 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 Spirit Airlines ($53), Frontier ($65), and American Airlines ($89).

  • 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: Royal Air Maroc (100%), Envoy Air (73%), GOL (70%).

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

    On average you can expect to pay $495 for a flight from St. Louis to Miami. The cheapest flight overall is $174 while the most popular route, (Lambert-St Louis - Miami) is currently priced at $122.

  • 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, February is the cheapest month in which you can book a flight from St. Louis to Miami (average of $68). Flying from St. Louis to Miami in June is currently the most expensive (average of $122). 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
Sunny Isles Beach
Aventura
Hollywood
Coral Gables
Marathon
Doral
Sunrise
Plantation
Palm Beach
Miami Springs
Riviera Beach
Boynton Beach
Hialeah
Deerfield Beach
Miami Lakes
Miami Gardens
Dania Beach
Miramar
Hallandale Beach
Oakland Park

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Miami

See prices for flight routes from nearby airports that may be better suited for you.

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$69Average$156FlexibilityNo cancel feeOn-time65%
FrontierCheapest$142Average$227FlexibilityNo cancel feeOn-time62%
DeltaCheapest$172Average$397FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$405FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$261Average$456FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$279Average$466FlexibilityNo cancel feeOn-time69%

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