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$54+ Cheap flights from Miami to St. Louis (MIA - STL)

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — STL
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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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

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3. Compare prices and book

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Cheapflights Tip: The best prices from Miami to Lambert-St Louis are usually found in October or August, booked 62 days in advance, depart on a Saturday or Friday and return on a Tuesday

Find flight deals from Miami to St. Louis

Cheapest flights from Miami to St. Louis
Explore the most affordable flight options available from Miami to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/33:13 pmMIA - STL
1 stop20h 54mFrontier
Fri 12/510:42 amSTL - MIA
1 stop13h 04mFrontier
Deal found 10/22$134
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/35:58 pmMIA - STL
1 stop18h 09mFrontier
Sun 12/710:42 amSTL - MIA
1 stop13h 04mFrontier
Deal found 10/22$141
This Priceline deal was found by Cheapflights users on 10/20. 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.
Thu 12/45:30 amMIA - STL
1 stop6h 37mFrontier
Sat 12/67:43 pmSTL - MIA
1 stop8h 36mFrontier
Deal found 10/20$150
This Frontier deal was found by Cheapflights users on 10/20. 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 10/3010:30 amMIA - STL
1 stop7h 57mFrontier
Sun 11/27:45 pmSTL - MIA
1 stop9h 34mFrontier
Deal found 10/20$156
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Thu 11/65:01 amMIA - STL
1 stop6h 11mFrontier
Sun 11/911:23 amSTL - MIA
1 stop12h 11mFrontier
Deal found 10/20$159
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/52:21 pmMIA - STL
1 stop20h 51mFrontier
Sun 11/911:23 amSTL - MIA
1 stop12h 11mFrontier
Deal found 10/20$162
This Frontier deal was found by Cheapflights users on 10/21. 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 11/145:01 amMIA - STL
1 stop12h 00mFrontier
Sat 11/157:45 pmSTL - MIA
1 stop9h 34mFrontier
Deal found 10/21$163
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/192:21 pmMIA - STL
1 stop9h 40mMultiple Airlines
Mon 11/247:04 pmSTL - MIA
1 stop19h 53mMultiple Airlines
Deal found 10/21$166
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/122:21 pmMIA - STL
1 stop20h 51mMultiple Airlines
Fri 11/144:56 pmSTL - MIA
1 stop16h 02mMultiple Airlines
Deal found 10/22$167
This Frontier deal was found by Cheapflights users on 10/20. 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.
Mon 10/276:00 amMIA - STL
1 stop28h 07mFrontier
Thu 10/308:40 pmSTL - MIA
1 stop8h 39mFrontier
Deal found 10/20$168

Cheap flight deals from Miami to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to St. Louis (STL). 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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$150
(Priceline)

One-way from

$54
(Southwest)

Popular in

March

Cheapest in

October

Average price

$274

Good round-trip deal

$264 or less

Good one-way deal

$139 or less
Provider with most accurate pricing for Miami-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Lambert-St Louis flights.
Search Deals
From Miami to Lambert-St Louis
Search Deals
One-way flight from Miami to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($56 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 October 2025
Search Deals
Price to beat on a round-trip flight from Miami to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from Miami to Lambert-St Louis.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Miami to St. Louis 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 October 22, 2025.
Use the filters below to find and compare flights from Miami to St. Louis that are best for you.

Fly from

Miami

Fly to

St. Louis

Route

Depart

Return

Price

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Wed 1/21

3:42 pm-9:47 am

1 stop19h 05m

Lambert-St Louis

Sun 1/25

10:42 am-12:26 am

1 stop12h 44m

$196

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Sat 2/14

6:00 am-11:50 am

1 stop6h 50m

Lambert-St Louis

Thu 2/19

7:05 pm-12:57 am

1 stop4h 52m

$197

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Mon 11/24

7:00 am-1:00 pm

1 stop7h 00m

Lambert-St Louis

Mon 11/24

5:17 pm-12:46 am

1 stop6h 29m

$207

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Fri 2/13

6:30 pm-11:25 pm

1 stop5h 55m

Lambert-St Louis

Sun 2/15

7:50 am-11:30 am

Nonstop2h 40m

$253

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Fri 11/28

7:00 am-2:24 pm

1 stop8h 24m

Lambert-St Louis

Tue 12/2

11:10 am-5:53 pm

1 stop5h 43m

$263

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Sat 1/10

7:00 am-11:50 am

1 stop5h 50m

Lambert-St Louis

Fri 2/6

7:05 pm-12:57 am

1 stop4h 52m

$267

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Sat 2/14

6:00 am-11:50 am

1 stop6h 50m

Lambert-St Louis

Sun 2/15

6:00 am-2:39 pm

1 stop7h 39m

$268

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Sat 2/14

7:00 am-8:39 pm

2 stops14h 39m

Lambert-St Louis

Wed 2/18

10:00 am-3:47 pm

1 stop4h 47m

$282

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Mon 2/9

7:35 pm-11:40 pm

1 stop5h 05m

Lambert-St Louis

Sun 2/15

6:00 am-2:39 pm

1 stop7h 39m

$286

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Tue 2/10

10:20 am-4:01 pm

1 stop6h 41m

Lambert-St Louis

Sat 2/14

5:00 pm-12:25 am

1 stop6h 25m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 22 results
1
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Compare providers for flights from Miami to St. Louis

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 Miami to St. Louis in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
MytripPrice Accuracy2 starsTrust 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 Miami-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Miami-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Miami-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Miami-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub 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 Miami-St. Louis 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 Miami to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Miami 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 Miami to St. Louis

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

Use this chart to determine the optimal time to book a round-trip flight from Miami to St. Louis. Price data was last updated on October 17, 2025.

To ensure you get the cheapest price possible for a flight from Miami to St. Louis, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Miami to St. Louis (average of $37). Flying from Miami to St. Louis in January is currently the most expensive (average of $136). 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 MIA to STL?

Find hourly flight availability from Miami to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 22, 2025.

One of the essential ways to save on airfare from Miami to St. Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 16% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Miami to St. Louis. Price data was last updated on February 2, 2025.

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

The best insider tips for Miami to St. Louis 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 Miami to St. Louis trip
Airports
MIA

For a quick check-in, use the MIA Mover train to reach the Miami Intermodal Center for rental cars and public transport options.

Read more about MIAby Ramsey Qubein
STL

Use the MetroLink light rail for an economical and direct connection from STL to downtown St. Louis, taking about 40 minutes.

Read more about STLby Taryn White
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 St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated October 22, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from Miami to St. Louis 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

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

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
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

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
7.9
Good
7,981 reviews
Southwest
8.0
Very good
4,237 reviews

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

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
11,028 reviews
Southwest
8.0
Very good
4,237 reviews

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

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
8,098 reviews
Southwest
8.0
Very good
4,237 reviews

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

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
3,129 reviews
Southwest
8.0
Very good
4,237 reviews

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

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 Miami to St. Louis. 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 Miami to St. Louis?

    Lambert-St Louis is the airport most travelers will use when flying to St. Louis from Miami. Booking flights from Miami (MIA) to Lambert-St Louis (STL) should be relatively easy as there are 3 daily flights to St. Louis from 5 different airlines. 2h 50m is how long a flight from Miami to Lambert-St Louis will take if you book a nonstop flight.

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

    Flights from Miami to Lambert-St Louis have been viewed 13 times in the past calendar month.

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

    Frontier, Delta, and Southwest can get you from Miami to St. Louis in just under 5h 55m. Your travel time can differ by up to 55m. Airlines will cover a distance of 1069 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Miami to St. Louis round-trip from $80. Other airlines that can offer you cheap pricing are Frontier, from $147, and Southwest, from $186. You may be able to fly from Miami to St. Louis for 78% less than the average price by searching for these airlines.

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

    Before booking your flight to St. Louis from Miami, check out the most reliable airlines to get you to your destination on time: Qatar Airways (82%), Southwest (76%), Royal Air Maroc( 64%).

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

    While on average a flight from Miami to St. Louis is generally $279, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Miami - Lambert-St Louis), you can expect to pay $146 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Miami to St. Louis 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 Miami to St. Louis?

    Currently, March is the cheapest month in which you can book a flight from Miami to St. Louis (average of $37). Flying from Miami to St. Louis in January is currently the most expensive (average of $136). 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
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Miami to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Miami to St. Louis

Discover the top 5 airlines that operate flights from Miami to St. Louis. 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 October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$80Average$163FlexibilityNo cancel feeOn-time65%
FrontierCheapest$147Average$283FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$186Average$350FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$309FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$229Average$382FlexibilityNo cancel feeOn-time71%

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