Flights from Seattle to Porto

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

How to estimate the price of a flight from Seattle to Porto?

It depends. Prices for flights from Seattle to Porto fluctuate based on several factors.

Select your dates to check current offers.

Checking fares across several nearby dates can help you see which days offer the best deals. Jetcost lets you track price changes and grab the best opportunities.

Best airport options between Seattle and Porto

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

  • Airports in Seattle: Seattle is served by 2 airports - Boeing Field, Lake Union.
  • Airports in Porto: Porto is the sole airport currently available.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Flights from Seattle - Tacoma to Porto

Plan smarter: flights from Seattle to Porto

Find the flight that fits your plans with Jetcost. You can filter results by stops, agencies, budget, time of day, and airline — all in one search.

Other popular destinations

Travelers flying to Portugal also checked out: Faro, Funchal, Lisbon, Ponta Delgada, Porto.

Comparing offers from multiple agencies helps you find the best price for the same route. You can also spot exclusive deals from individual airlines right in the results list.
Frequently Asked Questions

Frequently asked questions about flights from Seattle to Porto.

How much does an airline ticket from Seattle to Porto cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Seattle to Porto.

How far is Seattle from Porto?

Seattle is about 8187 km from Porto.

What are the airports in Porto?

Porto has one airport: Porto.

What are the airports in Seattle?

Seattle has 2 airports: Boeing Field, Lake Union.

What are the most popular cities in Portugal?

The most popular cities in Portugal according to our users' searches are: Faro, Funchal, Lisbon, Ponta Delgada, Porto.

When should I book a flight from Seattle to Porto?

This information is not available at the moment.

What is the cheapest month to fly from Seattle to Porto?

This information is not available at the moment.

What is the most expensive month to fly from Seattle to Porto?

This information is not available at the moment.

What is the best day of the week to fly from Seattle to Porto?

This information is not available at the moment.