Flights from Washington Dulles to Portugal

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.

Cheap Washington Dulles - Portugal flight offers

Find cheap flight tickets and last-minute flight deals from Washington Dulles to Portugal

United
Tue, 07/07 (IAD) Washington -> (LIS) Lisbon
Direct
United
Sat, 18/07 (LIS) Lisbon -> (IAD) Washington
Direct
Price found 3 days ago
from $1,117
United
Tue, 07/07 (IAD) Washington -> (LIS) Lisbon
Direct
United
Sat, 18/07 (LIS) Lisbon -> (IAD) Washington
Direct
Price found 3 days ago
from $1,117
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

Top airlines on the route Washington Dulles - Portugal

Airlines providing flights to Portugal from Washington Dulles

Royal Air Maroc
Royal Air Maroc
United
United

The best deals on flights from Washington Dulles to Portugal

Jetcost allows you to effortlessly compare a wide selection of airline tickets at affordable prices. In mere seconds you will be offered thousands of deals to fly from Washington Dulles to Portugal, filtered according to your needs and listed beginning with the cheapest. With Jetcost you can compare thousands of deals on flights at any time; enter your travel details and search for the ideal flight from Washington Dulles to Portugal now. Check out the latest deals on cheap flights or book a last minute flight on Jetcost.

Book your low-cost flights from Washington Dulles to Portugal within seconds with Jetcost. With the Jetcost flight comparison tools you will find the best flight for you quickly and easily. Compare the best flight deals from Washington Dulles to Portugal and book your low-cost flight at the cheapest price.

Low cost flights from Washington Dulles to Portugal

If you are looking for cheap flights from Washington Dulles to Portugal, with Jetcost you'll find the lowest price. To find the best cheap flights from Washington Dulles to Portugal , Jetcost compares direct or stopover flight deals to reach your destination spending as little as possible. Choose the airport you wish to depart from and Jetcost will search for the best flights for you. Choose the search criteria at your leisure: select the exact filter and get only the results relevant for you. Do you wish to fly only with a particular airline? Select it in the search results and filter the offers within seconds. No more wasting time: with Jetcost compare free of charge the flights best suited to your needs and save!