Question 1

Which is the best airline for flights from Washington, D.C. to Lisbon, United Airlines or Turkish Airlines?

Accepted Answer

The two airlines most popular with KAYAK users for flights from Washington, D.C. to Lisbon are United Airlines and Turkish Airlines. With an average price for the route of $1,258 and an overall rating of 7.4, United Airlines is the most popular choice. Turkish Airlines is also a great choice for the route, with an average price of $668 and an overall rating of 7.4.

Question 2

How long does a flight from Washington Dulles Airport to Lisbon take?

Accepted Answer

A direct flight to Lisbon will take on average 6h 50m to travel the 3,580 miles flying distance from Washington Dulles Airport.

Question 3

How many flights are there between Washington, D.C. Dulles Intl Airport and Lisbon per day?

Accepted Answer

Each day, there are 3 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Lisbon, with an average flight time of 7h 16m. The most common departure time is 10:00 pm and most flights take off at night. Each week, there are 21 flights and there are the same amount of flights each day (3).

Question 4

How many flights are there between Washington, D.C. Dulles Intl Airport and Lisbon per day?

Accepted Answer

Each day, there are 3 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Lisbon, with an average flight time of 7h 16m. The most common departure time is 10:00 pm and most flights take off at night. Each week, there are 21 flights and there are the same amount of flights each day (3).

Question 5

What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Lisbon?

Accepted Answer

In the last 5 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Lisbon was $410 for a one-way ticket and $658 for a round-trip.

Question 6

Do I need a passport to fly between Washington Dulles Airport and Lisbon?

Accepted Answer

Yes

Question 7

What’s the cheapest day of the week to fly from Washington Dulles Airport to Lisbon?

Accepted Answer

For Washington Dulles Airport to Lisbon, Monday is the cheapest day to fly on average and Friday is the most expensive. Flying from Lisbon back to Washington Dulles Airport, the best deals are generally found on Wednesday, with Monday being the most expensive.

Question 8

What’s the cheapest day of the week to fly from Washington Dulles Airport to Lisbon?

Accepted Answer

For Washington Dulles Airport to Lisbon, Monday is the cheapest day to fly on average and Friday is the most expensive. Flying from Lisbon back to Washington Dulles Airport, the best deals are generally found on Wednesday, with Monday being the most expensive.

Question 9

What’s the earliest departure time from Washington Dulles Airport to Lisbon?

Accepted Answer

Early birds can take the earliest flight from Washington, D.C. Dulles Intl Airport at 5:05 pm and will be landing in Lisbon at 5:30 am.

Question 10

What’s the latest departure time from Washington Dulles Airport to Lisbon?

Accepted Answer

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport to Lisbon jets off at 10:50 pm and lands at 11:15 am.

Question 11

Which airlines fly non-stop between Washington, D.C. Dulles Intl Airport and Lisbon?

Accepted Answer

There are 4 airlines that fly nonstop from Washington, D.C. Dulles Intl Airport to Lisbon. They are: JetBlue, Lufthansa, TAP AIR PORTUGAL and United Airlines. The cheapest price of all airlines flying this route was found with TAP AIR PORTUGAL at $548 for a round-trip flight. On average, the best prices for this route can be found at TAP AIR PORTUGAL.

Question 12

Which airlines fly non-stop between Washington, D.C. Dulles Intl Airport and Lisbon?

Accepted Answer

There are 4 airlines that fly nonstop from Washington, D.C. Dulles Intl Airport to Lisbon. They are: JetBlue, Lufthansa, TAP AIR PORTUGAL and United Airlines. The cheapest price of all airlines flying this route was found with TAP AIR PORTUGAL at $548 for a round-trip flight. On average, the best prices for this route can be found at TAP AIR PORTUGAL.

Question 13

Which airlines offer Wi-Fi service onboard planes from Washington Dulles Airport to Lisbon?

Accepted Answer

All the following airlines offer inflight Wi-Fi service on the Washington Dulles Airport to Lisbon flight route: Iberia, Lufthansa, United Airlines, Finnair, British Airways, and SWISS.

Question 14

Which aircraft models fly most regularly from Washington Dulles Airport to Lisbon?

Accepted Answer

The Boeing 777 is the aircraft model that flies most regularly on the Washington Dulles Airport to Lisbon flight route.

Question 15

Which airline alliances offer flights from Washington Dulles Airport to Lisbon?

Accepted Answer

SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Washington Dulles Airport and Lisbon, with SkyTeam being the most commonly used for this route.

Question 16

On which days can I fly direct from Washington Dulles Airport to Lisbon?

Accepted Answer

There are nonstop flights from Washington Dulles Airport to Lisbon on a daily basis.

Question 17

What services are offered for travelers with limited mobility at Dulles?

Accepted Answer

Dulles Airport also has elevators to allow for individuals in wheelchairs to navigate the different terminals. The elevators include raised Braille buttons and are accessible to those in wheelchairs. An automated voice announces arrival at each floor in some elevators.

Question 18

Are there any children's services at Lisbon Airport?

Accepted Answer

Yes, once you've cleared security, the airport provides a complimentary stroller service to help you get around. Each stroller is labeled with the ANA logo and is suitable for babies up to 3 years old or 13 lbs. When you're through with it, place it close to your boarding gate.

Question 19

Are there any rental services at Lisbon Airport?

Accepted Answer

Yes, Lisbon Airport has a pool of Portuguese car rentals that you can opt to use once you have arrived. The international terminal has a toll free station which can help you access the services. The car rental services that you can opt to use include Hertz and Enterprise car rentals.

Question 20

Are there any parking facilities at Dulles?

Accepted Answer

Dulles provides convenient garage locations with direct inside access to all terminals. In addition, free shuttle service between terminals and all on-airport parking facilities is available 24/7. You can pay with a credit card in advance and scan your QR code in and out, or you can use a drive-up ticket.

Question 21

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Lisbon?

Accepted Answer

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Lisbon is January, where tickets cost $665 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $1,430 and $1,269 respectively.

Question 22

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Lisbon?

Accepted Answer

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Lisbon is January, where tickets cost $665 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $1,430 and $1,269 respectively.

Question 23

How does KAYAK find such low prices on flights from Washington Dulles Airport to Lisbon?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Lisbon.

Question 24

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Lisbon?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Lisbon from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

Question 25

What is the Hacker Fare option on flights from Washington Dulles Airport to Lisbon?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Lisbon with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and LIS can sometimes prove cheaper using this method.

Question 26

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Lisbon?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Lisbon from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 27

What is the cheapest layover airport when flying from Washington Dulles Airport to Lisbon?

Accepted Answer

Flights via New York (JFK) offer the most affordable fares, with an average round-trip price of $312.

Question 28

What is the most popular layover airport when flying from Washington Dulles Airport to Lisbon?

Accepted Answer

Casablanca (CMN) is the top choice – 46% of KAYAK users who clicked on 1-stop flights from Washington Dulles Airport to Lisbon picked an itinerary connecting there.

Question 29

Which layover airport has the quickest connection when flying from Washington Dulles Airport to Lisbon?

Accepted Answer

If you prefer a quick connection, Paris (CDG) often has the shortest layovers from Washington Dulles Airport to Lisbon, with an average of 1h 23m.

Question 30

Which layover airport offers the shortest total travel time from Washington Dulles Airport to Lisbon?

Accepted Answer

Consider flying via Newark (EWR) for the shortest journey. The average one-way travel time for flights connecting there is 9h 45m.

Question 31

How often are flights from Washington, D.C. to Lisbon delayed?

Accepted Answer

Weekly flights between Washington, D.C. and Lisbon historically see delays in approximately 25% of cases, with the average delay over the past year being 146 minutes.

Question 32

Which airline has the best punctuality record on Washington, D.C. to Lisbon flights?

Accepted Answer

Based on our data, TAP AIR PORTUGAL have experienced the fewest delays on this route in the past 12 months, with only about 22% of their flights encountering any delays.

Question 33

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Statistically, Saturday is the day of the week with the fewest delays on this flight route, while Wednesday has typically experienced more delays than other days.

Question 34

What is the most punctual flight time for Washington, D.C. to Lisbon flights?

Accepted Answer

Typically, flights leaving in the evening tend to face fewer delays, whereas flights in the morning have historically encountered delays more often.

Question 35

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Lisbon?

Accepted Answer

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 36

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Lisbon?

Accepted Answer

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 37

Which airlines provide the cheapest flights from Washington Dulles Airport to Lisbon?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Washington Dulles Airport to Lisbon were found on Royal Air Maroc ($658) and TAP AIR PORTUGAL ($659).

Question 38

Which airlines provide the cheapest flights from Washington Dulles Airport to Lisbon?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Washington Dulles Airport to Lisbon were found on Royal Air Maroc ($658) and TAP AIR PORTUGAL ($659).

Question 39

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Lisbon?

Accepted Answer

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Lisbon, you should book around 4 weeks before departure, which saves you about 28% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Question 40

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Lisbon?

Accepted Answer

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Lisbon, you should book around 4 weeks before departure, which saves you about 28% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Question 41

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Lisbon?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $960 on average.

Question 42

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Lisbon?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $960 on average.

Question 43

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Lisbon?

Accepted Answer

Flight prices are below average for this route right now.Flights to Lisbon from Washington, D.C. Dulles Intl Airport usually cost between $924 and $1,257 in January.
The lowest price found in the past 5 days was $658 on Royal Air Maroc (Jan 22-Jan 24).

Question 44

What are the most popular airlines flying to Lisbon?

Accepted Answer

The most popular airline among KAYAK users flying to Lisbon is TAP AIR PORTUGAL, followed by United Airlines and Royal Air Maroc.

Low season	January
High season	September
Cheapest flight	$410

IAD - LIS

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Cheap Flights from Dulles Intl to Lisbon (IAD-LIS)

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KAYAK's insights & trends for Dulles Intl to Lisbon flights

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Lisbon?

What’s the cheapest day of the week to fly from Washington Dulles Airport to Lisbon?

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Lisbon?

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Lisbon?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Lisbon?

Which airlines provide the cheapest flights from Washington Dulles Airport to Lisbon?

Which airlines fly non-stop between Washington, D.C. Dulles Intl Airport and Lisbon?

How often are flights from Washington, D.C. to Lisbon delayed?

What is the most punctual flight time for Washington, D.C. to Lisbon flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Washington, D.C. to Lisbon flights?

What is the most popular layover airport when flying from Washington Dulles Airport to Lisbon?

What is the cheapest layover airport when flying from Washington Dulles Airport to Lisbon?

Which layover airport offers the shortest total travel time from Washington Dulles Airport to Lisbon?

Which layover airport has the quickest connection when flying from Washington Dulles Airport to Lisbon?

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Lisbon?

How many flights are there between Washington, D.C. Dulles Intl Airport and Lisbon per day?

How long does a flight from Washington Dulles Airport to Lisbon take?

What’s the earliest departure time from Washington Dulles Airport to Lisbon?

What’s the latest departure time from Washington Dulles Airport to Lisbon?

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