$669 Cheap Flights from Florianópolis (FLN) to Seattle (SEA)

You can find cheap one-way flights from $669 and cheap return flights $1,280 Florianópolis (FLN-Hercílio Luz Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights generally range between $781 and $4386, and roundtrip flights usually range from $1002 to $6913. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Florianópolis (FLN-Hercílio Luz Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

The cheapest month to fly from FLN to SEA is December when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.

Enter FLN to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

American Airlines is one of the cheapest airlines offering connecting flights from Hercílio Luz Intl. (FLN) to Seattle - Tacoma Intl. (SEA), with round-trip tickets starting from around $1,924.41 with a layover in Guarulhos - Governor Andre Franco Montoro Intl. (GRU). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

To find a cheap flight from Florianópolis (FLN-Hercílio Luz Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

The earliest flight from Hercílio Luz International Airport (FLN) in Florianópolis to Seattle-Tacoma International Airport (SEA) typically departs at around 1:25 AM, operated by Copa and Alaska Airlines. This seasonal service is active in September, and an early departure allows you to maximize your time in Seattle. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

The most popular departure times for flights from Florianópolis (FLN) to Seattle (SEA) are from 3pm to 6pm. This accounts for around 48% of total traffic. Many major carriers, including Gol Airlines, LATAM Airlines, and Delta, offer flights during this window. Many travelers prefer this time because it allows for a full day of activities in Florianópolis before heading to the airport.

Flying from FLN to SEA with a connection usually takes about 24 hours, traveling roughly 6,913 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Business class seats are offered on the FLN to SEA route with Copa.

It's easy to earn miles on a Florianópolis (FLN-Hercílio Luz Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

From Hercilio Luz Intl. (FLN), you can fly typically into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Guarulhos - Governor Andre Franco Montoro Intl. (GRU), Arturo Merino Benitez (SCL), Galeao - Antonio Carlos Jobim Intl. (GIG) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Florianópolis (FLN-Hercílio Luz Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Florianópolis (FLN-Hercílio Luz Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Florianópolis (FLN-Hercílio Luz Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, 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 if you'd like more information.