$474 Find Cheap Flights from Lisbon to Washington, D.C. - Compare and Save

Among airlines operating Lisbon to Washington, D.C. Dulles Intl Airport flights:

• TAP AIR PORTUGAL: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• JetBlue: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Lisbon and Washington, D.C. Dulles Intl Airport. The airlines offering nonstop flights on this route include:

• TAP AIR PORTUGAL
• United Airlines

Flights from Lisbon to Washington, D.C. Dulles Intl Airport usually depart from Lisbon Humberto Delgado (LIS) and arrive at Washington, D.C. Dulles Intl (IAD).

Here are some options for this route, based on selected ticket types and cabin classes:

• TAP AIR PORTUGAL: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• Lufthansa: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from Lisbon to Washington, D.C. Dulles Intl Airport:

• Economy Class
• Premium Economy Class
• Business Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $496 round-trip via Kastrup Copenhagen (CPH), compared to $797 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $46–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 777 family is used most often on this route, operated mainly by Lufthansa and United Airlines. Other aircraft seen on the route include Airbus A321neo variants.

One-stop flights from Lisbon to Washington, D.C. Dulles Intl Airport most commonly connect through:

• Paris Charles de Gaulle (CDG) - 27% of one-stop connections
• Dublin (DUB) - 18% of one-stop connections
• London Heathrow (LHR) - 18% of one-stop connections
• Amsterdam Schiphol (AMS) - 9% of one-stop connections

Paris Charles de Gaulle (CDG) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 16% on the Lisbon to Washington, D.C. Dulles Intl Airport route. Wednesday is the cheapest departure day at $725 round-trip on average, while Sunday is the most expensive at $860, a difference of $135. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Lisbon to Washington, D.C. Dulles Intl Airport route, 29% of flights were delayed in the past 3 months, with delays averaging 2 hours 15 minutes.

Morning is the busiest departure period on Lisbon to Washington, D.C. Dulles Intl Airport flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

These are the earliest and latest flight times available from Lisbon to Washington, D.C. Dulles Intl Airport:

• Earliest: departs at 10:55 am and lands at 7:18 pm
• Latest: departs at 5:15 pm and lands at 1:38 am.

The flight takes about 8h 23m.

Last-minute fares on this route - booked within 2 weeks of departure - run 17% above the route average of $775. Book 15 weeks before departure for the lowest fares.

A nonstop flight from Lisbon to Washington, D.C. Dulles Intl Airport takes 8h 23m, covering 3,580 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Lisbon to Washington, D.C. Dulles Intl Airport are currently in line with typical prices for this route. Average one-way fares are about $641.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Paris Charles de Gaulle (CDG) gives the shortest average 1-stop total travel time at 12h 04m, compared with 13h 03m via London Heathrow (LHR) and 13h 46m via Amsterdam Schiphol (AMS).

Washington, D.C. Dulles Intl Airport is 5 hours behind Lisbon (Eastern Time vs Western European Time). Plan for the time shift when scheduling connections or first-day activities.

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
· Dollar
· Budget
· Hertz
· Sixt
· Thrifty

Round-trip flights from Lisbon to Washington, D.C. Dulles Intl Airport range from $650 to $944, with an average of $775 over the past 12 months. Anything below $650 counts as a good deal.