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$74+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MIA
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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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 Friday

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 July 28, 2025.

Round-trip from

$189
(FlightHub)

One-way from

$74
(Trip.com)

Popular in

March

Cheapest in

August

Average price

$388

Good round-trip deal

$407 or less

Good one-way deal

$182 or less
From Lambert-St Louis to Miami
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One-way flight from Lambert-St Louis to Miami
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Highest demand for flights based on searches. 9% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Miami.
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Price to beat on a one-way flight from Lambert-St Louis to Miami.
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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 July 28, 2025.

This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/292:30 pmSTL - MIA
1 stop22h 50mSpirit Airlines
Sat 9/64:53 pmMIA - STL
1 stop18h 57mSpirit Airlines
Deal found 7/26$189
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Sun 8/315:26 amSTL - MIA
Nonstop2h 48mAmerican Airlines
Sat 9/610:09 pmMIA - STL
Nonstop2h 50mAmerican Airlines
Deal found 7/27$194
This Southwest deal was found by Cheapflights users on 7/26. 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.
Sun 8/316:30 pmSTL - MIA
Nonstop2h 45mSouthwest
Sat 9/65:50 amMIA - STL
Nonstop2h 50mSouthwest
Deal found 7/26$195
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/222:18 pmSTL - MIA
1 stop6h 09mDelta
Wed 10/296:00 amMIA - STL
1 stop4h 40mDelta
Deal found 7/27$197
This eDestinos deal was found by Cheapflights users on 7/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:55 pmSTL - MIA
1 stop27h 49mFrontier
Mon 9/225:30 amMIA - STL
1 stop10h 34mFrontier
Deal found 7/28$216
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:05 pmSTL - MIA
2 stops21h 45mMultiple Airlines
Mon 9/2911:45 amMIA - STL
2 stops7h 51mMultiple Airlines
Deal found 7/27$240

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 July 28, 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

Fri 8/29

2:30 pm-9:18 am

1 stop17h 48m

Miami

Sat 9/6

4:53 pm-10:50 am

1 stop18h 57m

$189

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 8/31

5:26 am-9:14 am

Nonstop2h 48m

Miami

Sat 9/6

10:09 pm-11:59 pm

Nonstop2h 50m

$194

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 8/31

6:30 pm-10:15 pm

Nonstop2h 45m

Miami

Sat 9/6

5:50 am-7:40 am

Nonstop2h 50m

$195

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 10/22

2:18 pm-9:27 pm

1 stop6h 09m

Miami

Wed 10/29

6:00 am-9:40 am

1 stop4h 40m

$197

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 9/17

7:55 pm-12:44 am

1 stop27h 49m

Miami

Mon 9/22

5:30 am-3:04 pm

1 stop10h 34m

$216

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 9/25

12:05 pm-10:50 am

2 stops21h 45m

Miami

Mon 9/29

11:45 am-6:36 pm

2 stops7h 51m

$240

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 9/25

4:00 pm-12:12 am

1 stop7h 12m

$74

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 10/25

5:23 am-9:10 am

Nonstop2h 47m

$79

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 10/14

6:35 pm-10:15 pm

Nonstop2h 40m

$80

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 8/29

2:30 pm-9:18 am

1 stop17h 48m

$95

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 13 results
1
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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 July 25, 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 July 28, 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 20% 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 July 27, 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.

Weekly flight availability from St. Louis to Miami

Explore weekly flight availability from St. Louis to Miami. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2025.

The most flights from STL to MIA are scheduled on a Saturday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

What’s the top layover airport for flights from St. Louis to Miami?

Share of 1-stop round-trip flights from St. Louis to Miami chosen by Cheapflights users in the past 12 months, using the same layover each way.

Denver (DEN) – chosen by Cheapflights users on 56% of 1-stop itineraries from St. Louis to Miami on Cheapflights.

What’s the cheapest layover airport for flights from St. Louis to Miami?

Average round-trip fare for 1-stop flights from St. Louis to Miami, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $201.

What’s the fastest layover option from St. Louis to Miami?

Shortest average travel time for 1-stop one-way flights from St. Louis to Miami, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 3h 09m.

Which airport typically offers the quickest layover for flights from St. Louis to Miami?

Average layover duration for 1-stop one-way flights from St. Louis to Miami, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 0h 50m.

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 July 28, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United 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
4,237 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,971 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,893 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Spirit Airlines
6.3
Okay
8,034 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 3 daily flights to Miami from 6 different airlines. 2h 39m 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 49 times in the past calendar month.

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

    Currently priced at $189, 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 American Airlines and Southwest - these airlines can fly you to your destination from $194 and $195, respectively. These flights start at 53% 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 Frontier ($74), American Airlines ($79), and Southwest ($80).

  • 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: Qatar Airways (92%), American Airlines (84%), Envoy Air (83%).

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

    On average you can expect to pay $686 for a flight from St. Louis to Miami. The cheapest flight overall is $88 while the most popular route, (Lambert-St Louis - Miami) is currently priced at $159.

  • 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
Miami Springs
Boynton Beach
Doral
Hialeah
Riviera Beach
Pembroke Pines
Plantation
Sunrise
Dania Beach
Palm Beach
Palm Beach Gardens
Miami Gardens
Deerfield Beach
Wilton Manors
Oakland Park

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Alternative routes for St. Louis to Miami

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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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$74Average$171FlexibilityNo cancel feeOn-time65%
FrontierCheapest$130Average$246FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$229Average$410FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$277Average$460FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$292Average$453FlexibilityNo cancel feeOn-time69%

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