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$87+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MIA
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to Miami are usually found in September or August, booked 72 days in advance, depart on a Friday or Sunday and return on a Thursday

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 April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$240
(CheapOair)

One-way from

$87
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$399

Good round-trip deal

$428 or less

Good one-way deal

$164 or less
Provider with most accurate pricing for Lambert-St Louis-Miami flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Miami flights.
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From Lambert-St Louis to Miami
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One-way flight from Lambert-St Louis to Miami
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This CheapOair deal was found by Cheapflights users on 4/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:55 pmSTL - MIA
1 stop9h 35mFrontier
Sun 6/16:00 amMIA - STL
1 stop28h 12mFrontier
Deal found 4/15$240
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:20 pmSTL - MIA
Nonstop2h 48mAmerican Airlines
Wed 6/43:30 pmMIA - STL
Nonstop2h 59mAmerican Airlines
Deal found 4/15$241
This Southwest deal was found by Cheapflights users on 4/14. 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.
Wed 5/75:55 pmSTL - MIA
Nonstop2h 40mSouthwest
Sun 5/117:40 amMIA - STL
Nonstop2h 55mSouthwest
Deal found 4/14$243
This Delta deal was found by Cheapflights users on 4/14. 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.
Tue 4/294:11 pmSTL - MIA
1 stop4h 27mDelta
Tue 5/61:50 pmMIA - STL
1 stop5h 12mDelta
Deal found 4/14$244
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2410:10 amSTL - MIA
2 stops26h 06mSpirit Airlines
Wed 5/2810:29 amMIA - STL
2 stops23h 46mSpirit Airlines
Deal found 4/15$276
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Mon 5/1912:15 pmSTL - MIA
2 stops24h 55mMultiple Airlines
Thu 5/229:05 amMIA - STL
2 stops27h 20mMultiple Airlines
Deal found 4/14$288
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:30 amSTL - MIA
1 stop7h 26mUnited Airlines
Sun 5/116:20 amMIA - STL
2 stops10h 27mUnited Airlines
Deal found 4/14$321

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 April 15, 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

Sat 5/24

7:55 pm-6:30 am

1 stop9h 35m

Miami

Sun 6/1

6:00 am-9:12 am

1 stop28h 12m

$240

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 5/28

6:20 pm-10:08 pm

Nonstop2h 48m

Miami

Wed 6/4

3:30 pm-5:29 pm

Nonstop2h 59m

$241

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 5/7

5:55 pm-9:35 pm

Nonstop2h 40m

Miami

Sun 5/11

7:40 am-9:35 am

Nonstop2h 55m

$243

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 4/29

4:11 pm-9:38 pm

1 stop4h 27m

Miami

Tue 5/6

1:50 pm-6:02 pm

1 stop5h 12m

$244

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 5/24

10:10 am-1:16 pm

2 stops26h 06m

Miami

Wed 5/28

10:29 am-9:15 am

2 stops23h 46m

$276

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 5/19

12:15 pm-2:10 pm

2 stops24h 55m

Miami

Thu 5/22

9:05 am-11:25 am

2 stops27h 20m

$288

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 5/7

6:30 am-2:56 pm

1 stop7h 26m

Miami

Sun 5/11

6:20 am-3:47 pm

2 stops10h 27m

$321

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 5/21

8:15 pm-5:22 am

1 stop8h 07m

$87

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 5/20

6:20 pm-10:08 pm

Nonstop2h 48m

$90

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 5/20

1:09 pm-7:32 pm

1 stop5h 23m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 14 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on St. Louis-Miami flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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 April 11, 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 72 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 $229). 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 April 15, 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 25% 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 March 30, 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 April 15, 2025.

The most flights from STL to MIA are scheduled on a Saturday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Miami by month

Plan your trip to Miami by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Miami ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Miami when rainfall is around 1.6 in.

Temperature in Miami by month

Plan your trip to Miami by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Miami, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 April 15, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from St. Louis to Miami. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,279 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,279 reviews
Southwest
8.0
Very good
4,279 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,917 reviews
Southwest
8.0
Very good
4,279 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,656 reviews
Southwest
8.0
Very good
4,279 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,279 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
7,921 reviews
Southwest
8.0
Very good
4,279 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 5 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 23 times in the past calendar month.

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

    Currently priced at $240, Frontier will fly you from St. Louis to Miami and back. In addition to Frontier, 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 $241 and $243, respectively. These flights start at 39% 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 ($87), Delta ($100), and American Airlines ($121).

  • 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: American Airlines (84%), Qatar Airways (82%), Envoy Air (81%).

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

    On average you can expect to pay $426 for a flight from St. Louis to Miami. The cheapest flight overall is $89 while the most popular route, (Lambert-St Louis - Miami) is currently priced at $199.

  • 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 $229). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Hollywood
Aventura
Marathon
Sunny Isles Beach
Doral
Boynton Beach
Miami Springs
Hialeah
Sunrise
Hallandale Beach
Coral Gables
Riviera Beach
Pembroke Pines
Homestead
Deerfield Beach
Oakland Park
Palm Beach
Florida City
Miami Gardens
Wilton Manors

Browse thousands of different options on Cheapflights for your next trip

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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$69Average$139FlexibilityNo cancel feeOn-time65%
FrontierCheapest$130Average$229FlexibilityNo cancel feeOn-time62%
DeltaCheapest$208Average$392FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$243Average$402FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$289Average$468FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$337Average$447FlexibilityNo cancel feeOn-time69%

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