$1,968 Cheap Flights from Bastia (BIA) to Seattle (SEA)

View $1,968 flight on Sun, Apr 12, 2026Opens in a new window

Popular airlines from Bastia (BIA-Poretta) to Seattle-Tacoma International Airport (SEA)

Cheap Flights from Bastia to Seattle (BIA-SEA)

Prices were available within the past 7 days and start at $1,968 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 Poretta Airport (BIA) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight from $1,968 or cheap return flight from Poretta Airport (BIA) to Seattle - Tacoma Intl. Airport (SEA) 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 Poretta Airport (BIA) to Seattle - Tacoma Intl. Airport (SEA)?
Flying in is a good way to save, as it's the cheapest month for flights between BIA and SEA. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Poretta Airport (BIA) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from BIA to SEA. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Poretta Airport (BIA) to Seattle - Tacoma Intl. Airport (SEA)?
Direct flights from Poretta Airport (BIA) 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 BIA to SEA?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, airline 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 Poretta Airport (BIA) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid possible delays on the Poretta Airport (BIA) to Seattle - Tacoma Intl. Airport (SEA) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being 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 Poretta Airport (BIA) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from BIA to SEA are typically more expensive. To secure the lowest prices, start looking for flights well ahead of time. That said, if you can play around with your travel dates, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a BIA to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a BIA to SEA flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of hotels, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Poretta Airport (BIA) to Seattle - Tacoma Intl. Airport (SEA)?
If you reserved your BIA to SEA flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Poretta
Destination airport
Seattle - Tacoma Intl.
Distance
5557 mi

Book with confidence

Bastia to Seattle Flights

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

 

The best time to book a flight from Bastia to Seattle

Sunday is one of the best days to book for cheap flights from Bastia 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 Bastia 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 Bastia to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,968 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 Bastia 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 Bastia 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.

 

Bastia to Seattle Flights

Explore a world of travel with Expedia

*Available to One Key members.