Cheap flights from Washington to Portugal

3 routes connect Washington Dulles (IAD) to Portugal, starting at €350 to Lisbon. Flexible travel dates and mid-week departures often unlock lower fares — check the month-by-month calendar on each route page.

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Popular destinations in Portugal from Washington

The most popular Portuguese destinations from Washington include Lisbon, Porto and Funchal. Prices vary by season, airline, and how far in advance you book. Use the interactive map below to compare all available Portuguese routes from Washington and find the cheapest option for your dates.

Cheapest destinations from Washington

LisbonPortugal
P312h 40m3 stops
€350
PortoPortugal
AT9h1 stop
€376
FunchalPortugal
PD13h 20m3 stops
€499

Other destinations from Washington

Flights to Portugal from nearby airports

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Frequently asked questions

How many destinations in Portugal can I fly to from Washington?

SkyHopp currently tracks 3 destinations in Portugal from Dulles Airport (IAD). Prices are refreshed regularly as our flight partners publish new fares.

What is the cheapest flight from Washington to Portugal?

Recent fares from Washington to Portugal have started from €350 to Lisbon. Prices change frequently — check the table above for the latest available fares.

Are there direct flights from Washington to Portugal?

Some routes from Washington to Portugal may be direct, while others include a connection. Use the "Direct only" filter on the interactive map to show non-stop options only.

When is the cheapest time to fly from Washington to Portugal?

Shoulder-season months and mid-week departures typically offer the lowest fares. Check the month-by-month price calendar on each route page to find the cheapest window.