St. Louis

$109+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — STL
jul. 8 — jul. 151
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Cheapflights Tip: The best prices from Miami to Lambert-St Louis are usually found in September or August, booked 83 days in advance, depart on a Saturday or Thursday and return on a Wednesday

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 julio 3, 2025.

Round-trip from

$121
(Priceline)

One-way from

$109
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$325

Good round-trip deal

$299 or less

Good one-way deal

$218 or less
From Miami to Lambert-St Louis
One-way flight from Miami to Lambert-St Louis
Highest demand for flights based on searches. 13% potential increase in price ($55 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Miami to Lambert-St Louis.
Price to beat on a one-way flight from Miami to Lambert-St Louis.

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 julio 3, 2025.

This Priceline deal was found by Cheapflights users on 7/1. 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.
lun. 9/89:28 amMIA - STL
1 stop6h 36mFrontier
jue. 9/114:00 pmSTL - MIA
1 stop6h 58mFrontier
Deal found 7/1$121
This FlightHub deal was found by Cheapflights users on 7/2. 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.
mié. 8/203:40 pmMIA - STL
1 stop22h 52mSpirit Airlines
vie. 8/222:30 pmSTL - MIA
1 stop17h 48mSpirit Airlines
Deal found 7/2$177
This American Airlines deal was found by Cheapflights users on 7/1. 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.
vie. 10/310:09 pmMIA - STL
Nonstop2h 50mAmerican Airlines
lun. 10/65:23 amSTL - MIA
Nonstop2h 47mAmerican Airlines
Deal found 7/1$179
This Southwest deal was found by Cheapflights users on 7/1. 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.
jue. 8/76:05 amMIA - STL
1 stop6h 25mSouthwest
mar. 8/1210:20 amSTL - MIA
Nonstop2h 45mSouthwest
Deal found 7/1$187
This Delta deal was found by Cheapflights users on 7/2. 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.
mié. 8/610:33 amMIA - STL
1 stop5h 03mDelta
dom. 8/106:00 amSTL - MIA
1 stop6h 07mDelta
Deal found 7/2$201
This United Airlines deal was found by Cheapflights users on 7/2. 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.
mar. 8/1912:04 pmMIA - STL
1 stop7h 54mUnited Airlines
jue. 8/216:15 amSTL - MIA
1 stop8h 31mUnited Airlines
Deal found 7/2$233
This FlightHub deal was found by Cheapflights users on 7/3. 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.
jue. 8/144:53 pmMIA - STL
1 stop21h 39mMultiple Airlines
sáb. 8/167:29 pmSTL - MIA
1 stop10h 01mMultiple Airlines
Deal found 7/3$239

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 julio 3, 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

lun. 9/8

9:28 am-3:04 pm

1 stop6h 36m

Lambert-St Louis

jue. 9/11

4:00 pm-11:58 pm

1 stop6h 58m

$121

MiamiSt. Louis

MIA - STL

MIASTL

Miami

mié. 8/20

3:40 pm-1:32 pm

1 stop22h 52m

Lambert-St Louis

vie. 8/22

2:30 pm-9:18 am

1 stop17h 48m

$177

MiamiSt. Louis

MIA - STL

MIASTL

Miami

vie. 10/3

10:09 pm-11:59 pm

Nonstop2h 50m

Lambert-St Louis

lun. 10/6

5:23 am-9:10 am

Nonstop2h 47m

$179

MiamiSt. Louis

MIA - STL

MIASTL

Miami

jue. 8/7

6:05 am-11:30 am

1 stop6h 25m

Lambert-St Louis

mar. 8/12

10:20 am-2:05 pm

Nonstop2h 45m

$187

MiamiSt. Louis

MIA - STL

MIASTL

Miami

mié. 8/6

10:33 am-2:36 pm

1 stop5h 03m

Lambert-St Louis

dom. 8/10

6:00 am-1:07 pm

1 stop6h 07m

$201

MiamiSt. Louis

MIA - STL

MIASTL

Miami

mar. 8/19

12:04 pm-6:58 pm

1 stop7h 54m

Lambert-St Louis

jue. 8/21

6:15 am-3:46 pm

1 stop8h 31m

$233

MiamiSt. Louis

MIA - STL

MIASTL

Miami

jue. 8/14

4:53 pm-1:32 pm

1 stop21h 39m

Lambert-St Louis

sáb. 8/16

7:29 pm-6:30 am

1 stop10h 01m

$239

MiamiSt. Louis

MIA - STL

MIASTL

Miami

jue. 8/7

10:37 am-7:23 pm

1 stop9h 46m

$109

MiamiSt. Louis

MIA - STL

MIASTL

Miami

jue. 10/16

9:59 am-7:49 am

2 stops22h 50m

$112

MiamiSt. Louis

MIA - STL

MIASTL

Miami

mié. 7/16

10:05 pm-11:57 pm

Nonstop2h 52m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 14 results
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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

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 June 27, 2025.

To ensure you get the cheapest price possible for a flight from Miami to St. Louis, you should look to book at least 83 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, August is the cheapest month in which you can book a flight from Miami to St. Louis (average of $311). Flying from Miami to St. Louis in March is currently the most expensive (average of $356). 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 julio 3, 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 evening could potentially save you up to 17% 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 Sunday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 julio 3, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United 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.

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
8.0
Very good

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 2 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?

  • 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 $121. Other airlines that can offer you cheap pricing are Spirit Airlines, from $177, and American Airlines, from $179. You may be able to fly from Miami to St. Louis for 66% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $109. Users have also found prices from $112 and $115 on Spirit Airlines and American Airlines, respectively.

  • 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: Southwest (68%), American Airlines (55%), Qatar Airways( 55%).

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

    While on average a flight from Miami to St. Louis is generally $329, our data shows the cheapest flight currently is $96. When looking at the most popular route, (Miami - Lambert-St Louis), you can expect to pay $177 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, August is the cheapest month in which you can book a flight from Miami to St. Louis (average of $311). Flying from Miami to St. Louis in March is currently the most expensive (average of $356). 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
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Festus
Chesterfield
Farmington

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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.

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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$113Average$150FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$260FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$283FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$209Average$396FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$401FlexibilityNo cancel feeOn-time63%

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