Aerial view of Lisbon's charming historic architecture under a bright sky. — flights from Washington to Lisbon
DullesLisbon

Flights from Dulles to Lisbon

Nonstop flights from Dulles (IAD) to Lisbon (LIS) take about 7h 42m (5,766 km). TAP Air Portugal flies it. Lowest fare seen: $666 one-way, nonstop (22 Oct 2026).

All flights from Dulles →All flights to Lisbon →

Photo of Lisbon: Sophie Otto on Pexels.

When you land in Lisbon

The airport transfer and the few things worth sorting before you fly.

Aerial view of Lisbon's charming historic architecture under a bright sky. — arriving in Lisbon

Airport transfer

LIS → Lisbon, booked before you fly

A private driver meets you in arrivals at a price agreed when you book. Book with Welcome Pickups.

See transfer prices
Before you flyAirport lounges at Washington Dulles →3 lounges at Washington Dulles AirportTrains, buses and taxi faresLIS to Lisbon: getting into town →Early arrival or late flightLuggage storage in Lisbon →91 drop-off points, from €1.60

Things to book in Lisbon

All 88 things to do in Lisbon →
A view of the historic ornamental cloister of Jerónimos Monastery in Lisbon, Portugal.from €19.50
Jerónimos Monastery 4.2 · 33,286 Tiqets reviews
Belém Tower, a UNESCO World Heritage site in Lisbon, Portugal, by the Tagus River.from €9.99
Belém Tower 4.2 · 30,105 Tiqets reviews
Three friends posing happily by the 25 de Abril Bridge in Lisbon, showcasing urban street style.from €15
Lisbon Hop-on Hop-off Tours 4.2 · 29,023 Tiqets reviews
A classic tram navigating through a picturesque Lisbon street at dusk, capturing urban life and charm.from €22
Lisbon Tram 4.2 · 28,424 Tiqets reviews

Find hotels in Lisbon

Hotels, hostels & more · Trip.com

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Airlines flying Dulles to Lisbon

Carriers on IAD–LIS according to our route data and nonstop fares seen as of 22 Oct 2026. Not a complete list.

✈ TAP Air Portugalnonstop fare seen

More for this trip

Frequently asked questions — Dulles to Lisbon flights

How long is the flight from Dulles to Lisbon?
A nonstop flight from Dulles (IAD) to Lisbon (LIS) takes about 7h 42m, covering 5,766 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is Dulles from Lisbon by air?
The great-circle distance between Washington Dulles International Airport and Lisbon Humberto Delgado Airport is 5,766 km (3,583 miles), a long-haul route.
Which airlines fly from Dulles to Lisbon?
Airlines with flights or nonstop fares on the IAD–LIS route include TAP Air Portugal. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from Dulles to Lisbon cost?
The lowest one-way fare seen recently on IAD–LIS was $666 USD with TAP Air Portugal (nonstop), departing 16 Nov 2026, found in fare searches as of 22 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
Is it cheaper to fly nonstop or with a stop from Dulles to Lisbon?
In the fares we saw (22 Oct 2026), connecting was cheaper: from $323 with one stop against $666 nonstop, a saving of $343. Nonstop saves the connection time.
Do I need a visa to travel from Dulles to Lisbon?
It depends on your passport. Some nationalities can enter Lisbon visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.

Sources: fares from Travelpayouts flight-search data, seen 22 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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