Cheap Flights from Seattle (SEA) to Viseu (VSE)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Viseu (VSE)

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Viseu (VSE) cost?
Secure a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Viseu (VSE) 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 Seattle - Tacoma Intl. Airport (SEA) to Viseu (VSE)?
Traveling in may help you find better deals, as it's the cheapest month for flights between SEA and VSE. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Viseu (VSE)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SEA to VSE flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Viseu (VSE)?
You'll need to book a flight with a layover when traveling from Seattle - Tacoma Intl. Airport (SEA) to Viseu (VSE). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SEA to VSE?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, such as the carrier and season.*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 Viseu (VSE)?
Choose a flight from Seattle - Tacoma Intl. Airport (SEA) to Viseu (VSE) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 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 Seattle - Tacoma Intl. Airport (SEA) to Viseu (VSE) last-minute?
Last-minute fares from SEA to VSE are typically more expensive. To secure the best rates, start searching for flights as soon as possible. That said, if your travel plans are flexible, you may score a cheap ticket right before your journey.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Viseu (VSE)?
You can usually reschedule or cancel your SEA to VSE flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Viseu
Distance
5141 mi

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Seattle to Viseu Flights

The cheapest times to fly from Seattle to Viseu

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

 

The best time to book a flight from Seattle to Viseu

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

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 Viseu in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Viseu 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 Viseu 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 Viseu Flights

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*Available to One Key members.