How much is a ticket from Porto to Washington Dulles?

Flight prices from Porto to Washington change depending on demand and time of booking.

Select your dates to check current offers.

Flying at off-peak hours — such as early morning or late evening — can help you save. Also, the best deals tend to appear in the weeks leading up to departure.

Which airports serve Porto and Washington?

When planning a trip of about 3540 mi, it's a good idea to check flights from surrounding airports too.

• Airports in Porto: Porto is the only operational airport in the area.
• Airports in Washington: Washington offers flights from 3 airports - Dulles international, Ronald Reagan, Washington International.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Flight filters for the route Porto – Washington Dulles

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to United States are often searched alongside: Atlanta, Los Angeles, Miami, New York City, Orlando.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.