$529 Cheap Flights from St. Louis (STL) to Florianópolis (FLN)

View $529 flight on Tue, Dec 2, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Hercilio Luz Intl. Airport (FLN)

Cheap Flights from St. Louis to Florianópolis (STL-FLN)

Prices were available within the past 7 days and start at $529 for one-way flights and $1,125 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Oct 6 - Thu, Oct 30
STL
St. Louis
FLN
Florianópolis
$1,125 Roundtrip, found 12 hours ago
$1,125
Roundtrip
found 12 hours ago
Select Air Canada flight, departing Mon, Oct 6 from St. Louis to Florianópolis, returning Thu, Oct 30, priced at $1,125 found 12 hours ago
Air Canada
Mon, Oct 6 - Thu, Oct 30
STL
St. Louis
FLN
Florianópolis
$1,130 Roundtrip, found 12 hours ago
$1,130
Roundtrip
found 12 hours ago
Select Air Canada flight, departing Mon, Oct 6 from St. Louis to Florianópolis, returning Thu, Oct 30, priced at $1,130 found 12 hours ago
Air Canada
Mon, Oct 6 - Thu, Oct 30
STL
St. Louis
FLN
Florianópolis
$1,226 Roundtrip, found 12 hours ago
$1,226
Roundtrip
found 12 hours ago
Select Air Canada flight, departing Mon, Oct 6 from St. Louis to Florianópolis, returning Thu, Oct 30, priced at $1,226 found 12 hours ago
Air Canada
Mon, Oct 6 - Thu, Oct 30
STL
St. Louis
FLN
Florianópolis
$1,231 Roundtrip, found 12 hours ago
$1,231
Roundtrip
found 12 hours ago
Select Air Canada flight, departing Mon, Oct 6 from St. Louis to Florianópolis, returning Thu, Oct 30, priced at $1,231 found 12 hours ago
Air Canada
Sat, Oct 25 - Wed, Oct 29
STL
St. Louis
FLN
Florianópolis
$1,240 Roundtrip, found 5 days ago
$1,240
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Oct 25 from St. Louis to Florianópolis, returning Wed, Oct 29, priced at $1,240 found 5 days ago
LATAM Airlines Group
Fri, Jan 16 - Sat, Jan 24
STL
St. Louis
FLN
Florianópolis
$1,253 Roundtrip, found 2 days ago
$1,253
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Fri, Jan 16 from St. Louis to Florianópolis, returning Sat, Jan 24, priced at $1,253 found 2 days ago
LATAM Airlines Group
Fri, Jan 16 - Sat, Jan 24
STL
St. Louis
FLN
Florianópolis
$1,258 Roundtrip, found 2 days ago
$1,258
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Fri, Jan 16 from St. Louis to Florianópolis, returning Sat, Jan 24, priced at $1,258 found 2 days ago
LATAM Airlines Group
Fri, Jan 16 - Sat, Jan 24
STL
St. Louis
FLN
Florianópolis
$1,260 Roundtrip, found 2 days ago
$1,260
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Fri, Jan 16 from St. Louis to Florianópolis, returning Sat, Jan 24, priced at $1,260 found 2 days ago
LATAM Airlines Group
Fri, Jan 16 - Sat, Jan 24
STL
St. Louis
FLN
Florianópolis
$1,278 Roundtrip, found 2 days ago
$1,278
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Fri, Jan 16 from St. Louis to Florianópolis, returning Sat, Jan 24, priced at $1,278 found 2 days ago
GOL Linhas Aereas S.A.
Fri, Jan 16 - Sat, Jan 24
STL
St. Louis
FLN
Florianópolis
$1,280 Roundtrip, found 2 days ago
$1,280
Roundtrip
found 2 days ago
Select GOL Linhas Aereas S.A. flight, departing Fri, Jan 16 from St. Louis to Florianópolis, returning Sat, Jan 24, priced at $1,280 found 2 days ago

Alternative airports near Florianópolis

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

Select flight to Hercilio Luz Intl. FLN. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $1,398
FLN
Hercilio Luz Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $1,398

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Hercilio Luz Intl. Airport (FLN) cost?
Snag a cheap one-way flight from $529 or cheap return flight from $1,125 from Lambert-St. Louis Intl. Airport (STL) to Hercilio Luz Intl. Airport (FLN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Hercilio Luz Intl. Airport (FLN)?
October is the most affordable month to fly from STL to FLN. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Hercilio Luz Intl. Airport (FLN)?
To find the cheapest airline that'll fly you from STL to FLN, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Hercilio Luz Intl. Airport (FLN)?
You'll need to catch a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Hercilio Luz Intl. Airport (FLN). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from STL to FLN?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Hercilio Luz Intl. Airport (FLN)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Hercilio Luz Intl. Airport (FLN) route, fly before 3 PM. Later departures are 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.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Hercilio Luz Intl. Airport (FLN) last-minute?
Last-minute bookings from STL to FLN are typically more expensive. To lock in the lowest rates, start looking for flights as soon as possible. That being said, if you're flexible with your travel dates, you may score a cheap fare right before you leave.
Is it cheaper to book a STL to FLN flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to FLN flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Just pick your flights and select from our wide range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Hercilio Luz Intl. Airport (FLN)?
If you booked your STL to FLN flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Hercílio Luz Intl.
Airlines serving
Air Canada, GOL Linhas Aereas S.A., LATAM Airlines Group
Roundtrip price
$1,125
Distance
5322 mi

Book with confidence

Book with confidence

St. Louis to Florianópolis Flights

The cheapest times to fly from St. Louis to Florianópolis

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 St. Louis to Florianópolis are during the month of October. You can find some of the cheapest flights from St. Louis to Florianópolis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Florianópolis: 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 St. Louis to Florianópolis

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 St. Louis to Florianópolis in 2025. You can also book with separate airlines for your outbound and return journeys, from $529 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 St. Louis to Florianópolis 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 St. Louis to Florianópolis 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.

 

St. Louis to Florianópolis Flights

Explore a world of travel with Expedia

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*Available to One Key members.