$586 Cheap Flights from Seattle (SEA) to Florianópolis (FLN)

View $586 flight on Mon, Jan 12, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Hercilio Luz Intl. Airport (FLN)

Cheap Flights from Seattle to Florianópolis (SEA-FLN)

Prices were available within the past 7 days and start at $586 for one-way flights and $667 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Nov 15 - Mon, Nov 17
SEA
Seattle
FLN
Florianópolis
$667 Roundtrip, found 19 hours ago
$667
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Nov 15 from Seattle to Florianópolis, returning Mon, Nov 17, priced at $667 found 19 hours ago
United
Mon, Nov 17 - Fri, Nov 21
SEA
Seattle
FLN
Florianópolis
$672 Roundtrip, found 19 hours ago
$672
Roundtrip
found 19 hours ago
Select United flight, departing Mon, Nov 17 from Seattle to Florianópolis, returning Fri, Nov 21, priced at $672 found 19 hours ago
United
Sat, Nov 15 - Tue, Nov 18
SEA
Seattle
FLN
Florianópolis
$717 Roundtrip, found 19 hours ago
$717
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Nov 15 from Seattle to Florianópolis, returning Tue, Nov 18, priced at $717 found 19 hours ago
United
Thu, Feb 26 - Wed, Mar 11
SEA
Seattle
FLN
Florianópolis
$728 Roundtrip, found 6 days ago
$728
Roundtrip
found 6 days ago
Select United flight, departing Thu, Feb 26 from Seattle to Florianópolis, returning Wed, Mar 11, priced at $728 found 6 days ago
United
Mon, Feb 2 - Thu, Feb 19
SEA
Seattle
FLN
Florianópolis
$767 Roundtrip, found 3 days ago
$767
Roundtrip
found 3 days ago
Select United flight, departing Mon, Feb 2 from Seattle to Florianópolis, returning Thu, Feb 19, priced at $767 found 3 days ago
United
Thu, Feb 26 - Wed, Mar 11
SEA
Seattle
FLN
Florianópolis
$778 Roundtrip, found 6 days ago
$778
Roundtrip
found 6 days ago
Select United flight, departing Thu, Feb 26 from Seattle to Florianópolis, returning Wed, Mar 11, priced at $778 found 6 days ago
Delta
Tue, Nov 18 - Wed, Nov 26
SEA
Seattle
FLN
Florianópolis
$850 Roundtrip, found 19 hours ago
$850
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Nov 18 from Seattle to Florianópolis, returning Wed, Nov 26, priced at $850 found 19 hours ago
LATAM Airlines Group
Fri, Dec 5 - Wed, Dec 17
SEA
Seattle
FLN
Florianópolis
$878 Roundtrip, found 6 days ago
$878
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Fri, Dec 5 from Seattle to Florianópolis, returning Wed, Dec 17, priced at $878 found 6 days ago
Air Canada
Mon, Apr 13 - Thu, Apr 30
SEA
Seattle
FLN
Florianópolis
$898 Roundtrip, found 6 days ago
$898
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Apr 13 from Seattle to Florianópolis, returning Thu, Apr 30, priced at $898 found 6 days ago
Aeromexico
Fri, Feb 6 - Mon, Feb 16
SEA
Seattle
FLN
Florianópolis
$922 Roundtrip, found 3 days ago
$922
Roundtrip
found 3 days ago
Select Aeromexico flight, departing Fri, Feb 6 from Seattle to Florianópolis, returning Mon, Feb 16, priced at $922 found 3 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 $672
FLN
Hercilio Luz Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $672

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Hercilio Luz Intl. Airport (FLN) cost?
Grab a cheap one-way flight from $586 or cheap return flight from $667 from Seattle - Tacoma Intl. Airport (SEA) to Hercilio Luz Intl. Airport (FLN) 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 Seattle - Tacoma Intl. Airport (SEA) to Hercilio Luz Intl. Airport (FLN)?
November is the cheapest month to fly from SEA to FLN. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Hercilio Luz Intl. Airport (FLN)?
To find the cheapest airline flying from SEA to FLN, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Hercilio Luz Intl. Airport (FLN)?
Direct flights from Seattle - Tacoma Intl. Airport (SEA) to Hercilio Luz Intl. Airport (FLN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to FLN?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Hercilio Luz Intl. Airport (FLN)?
Choose a flight from Seattle - Tacoma Intl. Airport (SEA) to Hercilio Luz Intl. Airport (FLN) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Seattle - Tacoma Intl. Airport (SEA) to Hercilio Luz Intl. Airport (FLN) last-minute?
Booking your flight from SEA to FLN shortly before your journey is usually more expensive. But if there's some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SEA to FLN flight and hotel package?
You'll typically save money by booking a SEA to FLN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your ideal flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Hercilio Luz Intl. Airport (FLN)?
Typically, it's possible to cancel or reschedule your SEA to FLN flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Hercílio Luz Intl.
Airlines serving
Air Canada, American Airlines, Delta, GOL Linhas Aereas S.A., LATAM Airlines Group
Roundtrip price
$666
Distance
6912 mi

Book with confidence

Seattle to Florianópolis Flights

The cheapest times to fly from Seattle 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 Seattle to Florianópolis are during the month of November. You can find some of the cheapest flights from Seattle to Florianópolis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Florianópolis

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle to Florianópolis in 2025. You can also book with separate airlines for your outbound and return journeys, from $586 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 Seattle 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 Seattle 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.

 

Seattle to Florianópolis Flights

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*Available to One Key members.