STL - MIA

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Everything you should know

Cheapest round-trip
$268
Typical prices: $328-$502
Frontier
Wed 10/24Wed 10/31
STL - MIA • 1 stop
Cheapest non-stop
$274
Typical prices: $346-$517
American Airlines
Mon 11/19Tue 11/27
STL - MIA • Non-stop
Nonstop flights
You can fly direct with American Airlines and Southwest. Average duration is 2h 46m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 7 weeks in advance save around 38% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $322 (round-trip)
Shortest trip • 4h 26m (one-way)
Insights
Insights
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Booking Insights
Expert advice
Flight Deals

Cheap Flights from St. Louis to Miami (STL-MIA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Miami

Sat, Oct 17 - Sat, Oct 24
Southwest Logo
4:50 pm - 10:10 pmSTL  Lambert-St Louis-MIA Miami
4h 20m1 stop Orlando
Southwest Logo
5:50 am - 7:40 amMIA  Miami-STL Lambert-St Louis
2h 50mnonstop
$267Southwest
Sat, Oct 17 - Sat, Oct 24
Frontier Logo
7:42 pm - 12:47 amSTL  Lambert-St Louis-MIA Miami
28h 05m1 stop Denver Intl
Frontier Logo
5:50 am - 6:57 pmMIA  Miami-STL Lambert-St Louis
14h 07m1 stop Denver Intl
$268Frontier
Sat, Oct 24 - Sat, Oct 31
Frontier Logo
7:42 pm - 12:47 amSTL  Lambert-St Louis-MIA Miami
28h 05m1 stop Denver Intl
Frontier Logo
5:50 am - 7:14 pmMIA  Miami-STL Lambert-St Louis
14h 24m1 stop Denver Intl
$268Frontier
Tue, Jan 5 - Wed, Jan 13
Southwest Logo
6:15 pm - 9:55 pmSTL  Lambert-St Louis-MIA Miami
2h 40mnonstop
Southwest Logo
12:15 pm - 9:05 pmMIA  Miami-STL Lambert-St Louis
9h 50m2 stops Baltimore/Washington Chicago Midway
$272Southwest
Tue, Nov 3 - Tue, Nov 17
American Airlines Logo
12:58 pm - 7:59 pmSTL  Lambert-St Louis-MIA Miami
6h 01m1 stop Dallas/Fort Worth
American Airlines Logo
1:42 pm - 3:50 pmMIA  Miami-STL Lambert-St Louis
3h 08mnonstop
$273American Airlines
Fri, Nov 6 - Sat, Nov 14
American Airlines Logo
12:58 pm - 8:51 pmSTL  Lambert-St Louis-MIA Miami
6h 53m1 stop Dallas/Fort Worth
American Airlines Logo
9:26 am - 11:33 amMIA  Miami-STL Lambert-St Louis
3h 07mnonstop
$273American Airlines
Tue, Nov 3 - Tue, Nov 17
Delta Logo
12:00 pm - 7:43 pmSTL  Lambert-St Louis-MIA Miami
6h 43m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:15 amMIA  Miami-STL Lambert-St Louis
6h 15m1 stop Atlanta Hartsfield-Jackson
$277Delta
Sat, Oct 10 - Tue, Oct 13
Delta Logo
5:38 pm - 12:53 amSTL  Lambert-St Louis-MIA Miami
6h 15m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:36 pm - 11:54 pmMIA  Miami-STL Lambert-St Louis
5h 18m1 stop Atlanta Hartsfield-Jackson
$277Delta
Sat, Feb 20 - Sat, Feb 27
United Airlines Logo
6:15 am - 1:20 pmSTL  Lambert-St Louis-MIA Miami
6h 05m1 stop Houston George Bush Intcntl
United Airlines Logo
11:25 am - 4:44 pmMIA  Miami-STL Lambert-St Louis
6h 19m1 stop Houston George Bush Intcntl
$281United Airlines
Mon, Nov 2 - Tue, Nov 3
United Airlines Logo
6:00 am - 4:26 pmSTL  Lambert-St Louis-MIA Miami
9h 26m1 stop Newark
United Airlines Logo
7:00 am - 2:34 pmMIA  Miami-STL Lambert-St Louis
8h 34m1 stop Chicago O'Hare Intl
$347United Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Miami flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to Miami with more confidence.

How much is a round-trip flight from St. Louis to Miami?

Round-trip flights from St. Louis to Miami start at $268. Prices are below average for this route right now, with typical round-trip fares ranging from $328 to $502. The lowest price found in the past 5 days was $268 on Frontier.

What's the cheapest day of the week to fly from St. Louis to Miami?

Tuesday is the cheapest day of the week to fly from St. Louis to Miami, it is 16% cheaper than the average day. Friday is the most expensive day with flight prices 8% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • September is the cheapest month to fly from St. Louis to Miami at $328 round-trip.
  • June ($466) and March ($446) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 42% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from St. Louis to Miami the cheapest?

Flights from St. Louis to Miami are cheapest 7 weeks before departure. Booking in this window typically costs about 38% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from St. Louis to Miami

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Stefanie Waldek

Stefanie Waldek

Expert on MIA

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Key details for St. Louis to Miami flights

Low season

December

Cheapest flight

$55
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly with an average 8% increase in price.
Flight from St. Louis to Miami

When to book flights from St. Louis to Miami

Are your dates flexible? Find out the best times to travel from St. Louis to Miami based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Miami flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Where can I park my car at Lambert St. Louis International Airport (STL)?

    Long-term, covered parking is available at the Lambert St. Louis Airport in the attached parking garage. You can save money by parking in one of the five uncovered parking lots around the airport.

  • How do I get from the Miami International Airport (MIA) to my hotel?

    Miami's light rail system goes from the airport to many areas of the city. You can get to the train station on the Miami Sky Train. The bus is also readily accessible from the airport. If your hotel is downtown, it will take about 15min for you to get there. The distance from the airport to other popular tourist areas like Miami Beach and South Beach is about 20min.

  • What services and amenities are available at the Lambert St. Louis Airport (STL)?

    You can enjoy many services while you're at the St. Louis Airport. If you need to withdraw funds from your bank account, there are several ATM machines around the terminals. For the youngest passengers, there is a play area and a children's museum. Other airport amenities include restaurants, stores, luggage carts, and an airport lounge.

  • Is there a visitor's information center at the Miami International Airport (MIA)?

    Visit the tourist information counter for information on Miami hotels, restaurants, transportation, and local attractions. Here you can also book tours and buy tickets for sporting events and other activities. The tourist information counter is located in Central Terminal E. It is open from early morning until late evening.

  • Which airlines offer extra legroom and free seat selection on St. Louis to Miami flights?

    Among airlines operating St. Louis to Miami flights:

    • American Airlines: offers extra legroom; offers free seat selection
    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from St. Louis to Miami?

    2 airlines operate flights between St. Louis and Miami. The airlines offering nonstop flights on this route include:

    • American Airlines
    • Southwest

  • Which airports can I use when flying from St. Louis to Miami?

    Flights from St. Louis to Miami usually depart from Lambert-St Louis (STL) and arrive at Miami (MIA).

  • Which airlines include bags at no extra cost on St. Louis to Miami flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy Class
    • Southwest: a cabin bag in Economy Class class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from St. Louis to Miami?

    Two cabin classes are available on flights from St. Louis to Miami:

    • Economy Class
    • First Class

  • How much can I save by taking a layover when flying from St. Louis to Miami?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $322 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $419 for nonstop.

  • What is the standard checked-bag allowance on flights from St. Louis to Miami?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from St. Louis to Miami?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest and American Airlines. Other aircraft seen on the route include Boeing 737-800 variants.

  • Which airports do connecting flights from St. Louis to Miami pass through?

    One-stop flights from St. Louis to Miami most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 79% of one-stop connections
    • Nashville Intl (BNA) - 6% of one-stop connections
    • Denver Intl (DEN) - 6% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 4% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from St. Louis to Miami?

    Yes. Being flexible with your travel dates can save you up to 22% on the St. Louis to Miami route. Tuesday is the cheapest departure day at $349 round-trip on average, while Friday is the most expensive at $446, a difference of $97. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from St. Louis to Miami spread across the day?

    Morning is the busiest departure period on St. Louis to Miami flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 0%.

  • What popular places can I visit in Miami?

    Some of the most popular sights in Miami are Kaseya Center, Bayfront Park and Bayside Marketplace. These are among the most viewed places in Miami on KAYAK.

  • What are the earliest and latest flights from St. Louis to Miami?

    These are the earliest and latest flight times available from St. Louis to Miami:

    • Earliest: departs at 5:00 am and lands at 7:46 am
    • Latest: departs at 8:00 pm and lands at 10:46 pm.

    The flight takes about 2h 46m.

  • How expensive are last-minute St. Louis to Miami flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 31% above the route average of $412. Book 7 weeks before departure for the lowest fares.

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

    A nonstop flight from St. Louis to Miami takes 2h 46m, covering 1,069 miles.

  • Do I need a passport to fly from St. Louis to Miami?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from St. Louis to Miami changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $267 to $1,618. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from St. Louis to Miami looking right now?

    One-way fares from St. Louis to Miami are currently lower than usual. Average one-way flight prices are about $110, which is 54% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from St. Louis to Miami?

    Flying via Orlando (MCO) gives the shortest average 1-stop total travel time at 4h 26m, compared with 5h 19m via Nashville Intl (BNA) and 5h 25m via Charlotte Douglas (CLT).

  • What is the time difference between St. Louis and Miami?

    Miami is 1 hour ahead of St. Louis (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Miami Airport (MIA)?

    Miami Airport (MIA) hosts 5 major car rental companies, with daily rates starting from around $1 for economy cars. Top options include:
    • Boutique Rent a Car
    • Budget
    • Dollar
    • Alamo
    • Hertz

  • How much should I expect to pay for a St. Louis to Miami flight?

    Round-trip flights from St. Louis to Miami range from $328 to $502, with an average of $412 over the past 12 months. Anything below $328 counts as a good deal.

  • Which airlines offer Wi-Fi on St. Louis to Miami flights?

    Two airlines offer in-flight Wi-Fi on St. Louis to Miami flights:

    • • American Airlines
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking St. Louis to Miami flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average $349 - about $97 less than Friday (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 7 weeks before you fly. On this route, that window historically saves about 38% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your St. Louis to Miami trip for September. Fares historically average $328 round-trip in that month - typically $138 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Las Vegas Harry Reid Intl Airport (LAS) can be cheaper than flying direct. The cheapest layover option averages $322 round-trip on this route - about $97 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Miami Airport.
    - Hilton Miami Airport Blue Lagoon
    - Embassy Suites by Hilton Miami International Airport
    - Red Roof PLUS+ Miami Airport
  • You can fly nonstop from St. Louis (STL) to Miami (MIA) or you can select a flight route that includes a change of planes. If you change planes, it might be in Orlando, Charlotte, Atlanta, or Dallas. Your layover could be as short as 35min or as long as over 22h.
  • The Lambert St. Louis Airport has two terminals and eighty-six gates. To get from one terminal to another, you can take the airport shuttle.
  • Do you have some time to kill at the Miami International Airport (MIA)? If so, there is plenty to do. You can walk around the airport and appreciate the many art pieces on display. There are paintings, sculptures, photographs, and film screenings for passengers to enjoy. If you're interested in aviation, there is a museum with lots of photography, news stories, and replicas of old airplanes.
  • If your flight is late or delayed, you can stay the night at the Miami International Airport Hotel. It can be easily accessed from anywhere in the airport. Some amenities that hotel guests can enjoy include soundproof rooms, onsite dining, and a complimentary breakfast.
  • The Miami International Airport is quite large. To help passengers get around, many systems have been put in place. This includes moving walkways and a sky train that goes from one concourse to another. The sky train also stops at many other parts of the airport including the rental car center, the bus station, parking lots, and the train station.

Prefer to fly direct from St. Louis to Miami?

 
Find which airlines fly direct from Lambert-St Louis Airport to Miami Airport, which days they fly and book direct flights.

Direct departures

Lambert-St Louis to Miami

Monday

American Airlines,Southwest

American Airlines,Southwest

Tuesday

American Airlines,Southwest

American Airlines,Southwest

Wednesday

American Airlines,Southwest

American Airlines,Southwest

Thursday

American Airlines,Southwest

American Airlines,Southwest

Friday

American Airlines,Southwest

American Airlines,Southwest

Saturday

American Airlines,Southwest

American Airlines,Southwest

Sunday

American Airlines,Southwest

American Airlines,Southwest

See more direct flights

Direct returns

Miami to Lambert-St Louis

Monday

American Airlines,Southwest

American Airlines,Southwest

Tuesday

American Airlines,Southwest

American Airlines,Southwest

Wednesday

American Airlines,Southwest

American Airlines,Southwest

Thursday

American Airlines,Southwest

American Airlines,Southwest

Friday

American Airlines,Southwest

American Airlines,Southwest

Saturday

American Airlines,Southwest

American Airlines,Southwest

Sunday

American Airlines,Southwest

American Airlines,Southwest

See more direct flights

More options for your flight from St. Louis to Miami

Complete your trip to Miami with a hotel stay or car rental