Find out what a flight from Washington Dulles to Porto might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Washington and Porto.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

What are the airport options between Washington and Porto?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

• Airports in Washington: Washington has 3 airports - Dulles international, Ronald Reagan, Washington International.
• Airports in Porto: Porto has one airport operating, Porto.

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Explore flights from Washington Dulles to Porto your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.

Other popular destinations

Also interested in Portugal? Check out: Faro, Funchal, Lisbon, Ponta Delgada, Porto.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.