$80 Cheap Flights from Miami (MIA) to St. Louis (STL)

View $80 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from Miami Intl. Airport (MIA) to St. Louis Lambert Intl. Airport (STL)

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

Prices were available within the past 7 days and start at $80 for one-way flights and $159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 24 - Wed, Dec 31
MIA
Miami
STL
St. Louis
$159 Roundtrip, found 4 hours ago
$159
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Miami to St. Louis, returning Wed, Dec 31, priced at $159 found 4 hours ago
Southwest Airlines
Tue, Nov 4 - Wed, Nov 12
MIA
Miami
STL
St. Louis
$159 Roundtrip, found 3 days ago
$159
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Nov 4 from Miami to St. Louis, returning Wed, Nov 12, priced at $159 found 3 days ago
Southwest Airlines
Sat, Nov 1 - Tue, Nov 4
MIA
Miami
STL
St. Louis
$162 Roundtrip, found 6 days ago
$162
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Nov 1 from Miami to St. Louis, returning Tue, Nov 4, priced at $162 found 6 days ago
Frontier Airlines
Fri, Oct 24 - Fri, Oct 31
MIA
Miami
STL
St. Louis
$163 Roundtrip, found 3 days ago
$163
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Oct 24 from Miami to St. Louis, returning Fri, Oct 31, priced at $163 found 3 days ago
Southwest Airlines
Wed, Dec 24 - Wed, Dec 31
MIA
Miami
STL
St. Louis
$169 Roundtrip, found 4 hours ago
$169
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Wed, Dec 24 from Miami to St. Louis, returning Wed, Dec 31, priced at $169 found 4 hours ago
Frontier Airlines
Thu, Oct 9 - Fri, Oct 31
MIA
Miami
STL
St. Louis
$173 Roundtrip, found 1 day ago
$173
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Oct 9 from Miami to St. Louis, returning Fri, Oct 31, priced at $173 found 1 day ago
Frontier Airlines
Thu, Oct 23 - Wed, Dec 3
MIA
Miami
STL
St. Louis
$176 Roundtrip, found 3 days ago
$176
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Oct 23 from Miami to St. Louis, returning Wed, Dec 3, priced at $176 found 3 days ago
Southwest Airlines
Wed, Dec 24 - Wed, Dec 31
MIA
Miami
STL
St. Louis
$179 Roundtrip, found 4 hours ago
$179
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Wed, Dec 24 from Miami to St. Louis, returning Wed, Dec 31, priced at $179 found 4 hours ago
Delta
Wed, Dec 24 - Wed, Dec 31
MIA
Miami
STL
St. Louis
$179 Roundtrip, found 4 hours ago
$179
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Dec 24 from Miami to St. Louis, returning Wed, Dec 31, priced at $179 found 4 hours ago
United
Wed, Dec 24 - Wed, Dec 31
MIA
Miami
STL
St. Louis
$191 Roundtrip, found 4 hours ago
$191
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Dec 24 from Miami to St. Louis, returning Wed, Dec 31, priced at $191 found 4 hours ago

Find the cheapest month to fly from Miami (MIA) to St. Louis (STL)

October is typically the cheapest month to fly

From $145 - $613 per traveler.

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $204
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $204

Frequently asked questions

How much does a flight from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $80 or cheap return flight from $159 from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL)?
December is the cheapest month to fly from MIA to STL. Traveling outside of peak seasons is often the key to finding better deals on flights.
Which airlines fly direct from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL)?
You can fly nonstop from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL) on an American Airlines flight.
What is the cheapest airline that flies from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL)?
Southwest Airlines and American Airlines are some popular airlines offering reasonable fares. Don't forget that flight prices from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL) can vary depending on demand, seasonality and time of booking. With Expedia's search tool, you can easily find a MIA to STL flight that suits your plans and budget.
How many flights per day from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL)?
Daily, an average of 3 nonstop flights operate from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL). Choose the departure that best suits your travel plans.
What are the most popular departure times for flights from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL)?
Flights between MIA and STL are busiest at 8 PM. For a more relaxed atmosphere and potentially cheaper fares, choose a departure that's outside typical rush times.
What day of the week has the most flights from MIA to STL?
Depart on a Saturday if you're looking for the biggest selection of flights from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL).
What is the earliest flight from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL)?
Catch the earliest flight at around 6:00AM UTC-5, heading out of Miami Intl. Airport (MIA). You'll be flying for approximately 3h 5m, touching down at Lambert-St. Louis Intl. Airport (STL) at approximately 8:05AM UTC-6.
How long does it take to fly from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL)?
The average flight duration from MIA to STL is 3 hours and 13 minutes, covering a distance of 1,050 mi.
What is the best time to fly from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL)?
Book a flight from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for St. Louis from Miami Intl. Airport (MIA)?
Check out your flight options from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL). This is the only St. Louis airport you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute bookings from MIA to STL are usually more expensive. For the lowest rates, start looking for flights well ahead of time. That said, if you're flexible with your travel plans, you may score a cheap fare just before your departure.
Is it cheaper to book a MIA to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a MIA to STL flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the stress out of travel planning. Just secure your flights and select from our extensive range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Miami Intl. Airport (MIA) to Lambert-St. Louis Intl. Airport (STL)?
In most cases, you can modify or cancel your MIA to STL flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like more details, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Miami Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$159
Distance
1069 mi

Book with confidence

Book with confidence

Miami to St. Louis Flights

The cheapest times to fly from Miami to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Miami to St. Louis are during the month of December. You can find some of the cheapest flights from Miami to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Miami to St. Louis

Sunday is one of the best days to book for cheap flights from Miami to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Miami to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Miami to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $80 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Miami to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Miami to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Miami to St. Louis Flights

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*Available to One Key members.