$523 Cheap Flights from Florianópolis (FLN) to Seattle (SEA)

View $523 flight on Wed, Mar 18, 2026Opens in a new window

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

Cheap Flights from Florianópolis to Seattle (FLN-SEA)

Prices were available within the past 7 days and start at $523 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Hercilio Luz Intl. Airport (FLN) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight from $523 or cheap return flight from Hercilio Luz Intl. Airport (FLN) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Hercilio Luz Intl. Airport (FLN) to Seattle - Tacoma Intl. Airport (SEA)?
Traveling in can help you save, as it's the cheapest month for flights between FLN and SEA. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Hercilio Luz Intl. Airport (FLN) to Seattle - Tacoma Intl. Airport (SEA)?
To find the cheapest airline that'll fly you from FLN to SEA, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Hercilio Luz Intl. Airport (FLN) to Seattle - Tacoma Intl. Airport (SEA)?
Direct flights from Hercilio Luz Intl. Airport (FLN) to Seattle - Tacoma Intl. Airport (SEA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's 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 FLN to SEA?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hercilio Luz Intl. Airport (FLN) to Seattle - Tacoma Intl. Airport (SEA)?
Select a flight from Hercilio Luz Intl. Airport (FLN) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time 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 Hercilio Luz Intl. Airport (FLN) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your plane ticket from FLN to SEA just before your getaway is usually more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a FLN to SEA flight and hotel package?
Booking a FLN to SEA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Hercilio Luz Intl. Airport (FLN) to Seattle - Tacoma Intl. Airport (SEA)?
Usually, it's possible to cancel or reschedule your FLN to SEA flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Hercílio Luz Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
6912 mi

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Florianópolis to Seattle Flights

The cheapest times to fly from Florianópolis to Seattle

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

 

The best time to book a flight from Florianópolis to Seattle

Sunday is one of the best days to book for cheap flights from Florianópolis to Seattle: 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 Florianópolis to Seattle

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 Florianópolis to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $523 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 Florianópolis to Seattle 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 Florianópolis to Seattle 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.

 

Florianópolis to Seattle Flights

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*Available to One Key members.