Question 1

How long is the flight to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The duration of your flight to Washington, D.C. depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to Washington, D.C. on KAYAK are from Lisbon, which takes 7h 55m, and Porto, which takes 11h 10m.

Question 2

How long is the flight to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The duration of your flight to Washington, D.C. depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to Washington, D.C. on KAYAK are from Lisbon, which takes 7h 55m, and Porto, which takes 11h 10m.

Question 3

What is the cheapest flight to Washington Dulles Airport?

Accepted Answer

In the last 5 days, the cheapest flight deal to Washington Dulles Airport was found on the route from Porto, at $490 return. The most popular connection is from Lisbon to Washington Dulles Airport and KAYAK users have found round-trip deals for as low as $490 in the last 5 days.

Question 4

What is the cheapest flight to Washington Dulles Airport?

Accepted Answer

In the last 5 days, the cheapest flight deal to Washington Dulles Airport was found on the route from Porto, at $490 return. The most popular connection is from Lisbon to Washington Dulles Airport and KAYAK users have found round-trip deals for as low as $490 in the last 5 days.

Question 5

How far is Washington, D.C. Dulles Intl Airport from central Washington, D.C.?

Accepted Answer

There are 22 miles between Washington, D.C. city center and Washington, D.C. Dulles Intl Airport.

Question 6

How many cities have direct flights to Washington, D.C. Dulles Intl Airport?

Accepted Answer

From Portugal, there are direct flights to Washington, D.C. Dulles Intl Airport from 1 city. This city is Lisbon and there are 59 direct flights each week.

Question 7

How many cities have direct flights to Washington, D.C. Dulles Intl Airport?

Accepted Answer

From Portugal, there are direct flights to Washington, D.C. Dulles Intl Airport from 1 city. This city is Lisbon and there are 59 direct flights each week.

Question 8

How much is a flight to Washington, D.C.?

Accepted Answer

On average, a flight to Washington, D.C. costs $898. The cheapest price found on KAYAK in the last 2 weeks cost $576 and departed from Lisbon Humberto Delgado Airport.

Question 9

What is the cheapest day to fly to Washington, D.C.?

Accepted Answer

Based on KAYAK data, the cheapest day to fly to Washington, D.C. is Wednesday where round-trip tickets can be as cheap as $903. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $1,161 on average.

Question 10

What is the cheapest day to fly to Washington, D.C.?

Accepted Answer

Based on KAYAK data, the cheapest day to fly to Washington, D.C. is Wednesday where round-trip tickets can be as cheap as $903. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $1,161 on average.

Question 11

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

Accepted Answer

The cheapest month for flights to Washington, D.C. Dulles Intl Airport is December, where tickets cost $620 on average for return flights. On the other hand, the most expensive months are August and January, where the average cost of tickets from Portugal is $1,150 and $1,085 respectively. For one-way flights, the best month to travel is January with an average price of $550.

Question 12

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

Accepted Answer

The cheapest month for flights to Washington, D.C. Dulles Intl Airport is December, where tickets cost $620 on average for return flights. On the other hand, the most expensive months are August and January, where the average cost of tickets from Portugal is $1,150 and $1,085 respectively. For one-way flights, the best month to travel is January with an average price of $550.

Question 13

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

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 to Washington Dulles Airport.

Question 14

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

Accepted Answer

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

Question 15

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

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 Washington Dulles Airport with an airline and back with another airline.

Question 16

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

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 Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 17

Which airline offers the most flights to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Of the 2 airlines that fly to Washington, D.C. Dulles Intl Airport, TAP AIR PORTUGAL offers the most flights, with around 14 per week, followed by United Airlines with 7 flights per week.

Question 18

Which airline offers the most flights to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Of the 2 airlines that fly to Washington, D.C. Dulles Intl Airport, TAP AIR PORTUGAL offers the most flights, with around 14 per week, followed by United Airlines with 7 flights per week.

Question 19

What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is generally in the evening, when round-trip flights cost $705 on average. The most expensive time of day to fly to Washington, D.C. Dulles Intl Airport is generally in the morning, which is peak travel time and where the average cost of a ticket is $964.

Question 20

What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is generally in the evening, when round-trip flights cost $705 on average. The most expensive time of day to fly to Washington, D.C. Dulles Intl Airport is generally in the morning, which is peak travel time and where the average cost of a ticket is $964.

Question 21

How many direct flights to Washington, D.C. Dulles Intl Airport are there each day?

Accepted Answer

There are around 861 direct flights from within Portugal to Washington, D.C. Dulles Intl Airport every day. Most flights depart in the morning, with 48% of flights departing in the morning.

Question 22

How many direct flights to Washington, D.C. Dulles Intl Airport are there each day?

Accepted Answer

There are around 861 direct flights from within Portugal to Washington, D.C. Dulles Intl Airport every day. Most flights depart in the morning, with 48% of flights departing in the morning.

Question 23

How many direct flights to Washington, D.C. Dulles Intl Airport are there each week?

Accepted Answer

Each week there are around 6,026 direct flights from within Portugal to Washington, D.C. Dulles Intl Airport. The most common day for departures is Sunday, with 16% of flights taking off on this day.

Question 24

How many direct flights to Washington, D.C. Dulles Intl Airport are there each week?

Accepted Answer

Each week there are around 6,026 direct flights from within Portugal to Washington, D.C. Dulles Intl Airport. The most common day for departures is Sunday, with 16% of flights taking off on this day.

Question 25

What is a good deal for flights to Washington, D.C. Dulles Intl Airport?

Accepted Answer

If you’re looking for cheap airfare to Washington, D.C. Dulles Intl Airport, 25% of our users found tickets to Washington, D.C. Dulles Intl Airport for the following prices or less: From Lisbon $765 round-trip.

Question 26

What is a good deal for flights to Washington, D.C. Dulles Intl Airport?

Accepted Answer

If you’re looking for cheap airfare to Washington, D.C. Dulles Intl Airport, 25% of our users found tickets to Washington, D.C. Dulles Intl Airport for the following prices or less: From Lisbon $765 round-trip.

Question 27

How many long-haul flights are there to Washington, D.C. Dulles Intl Airport each week?

Accepted Answer

There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Washington, D.C. Dulles Intl Airport. Instead, there are 59 long-haul flights (6-12 hour flight duration), with the most arriving from Lisbon.

Question 28

How many long-haul flights are there to Washington, D.C. Dulles Intl Airport each week?

Accepted Answer

There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Washington, D.C. Dulles Intl Airport. Instead, there are 59 long-haul flights (6-12 hour flight duration), with the most arriving from Lisbon.

Question 29

What are the most popular airlines flying to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The most popular airline among KAYAK users flying to Washington, D.C. Dulles Intl Airport is TAP AIR PORTUGAL, followed by United Airlines.

Low season	January
High season	April
Cheapest flight	$347

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What is the cheapest flight to Washington Dulles Airport?

What is the cheapest day to fly to Washington, D.C.?

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

What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?

What is a good deal for flights to Washington, D.C. Dulles Intl Airport?

What are the most popular airlines flying to Washington, D.C. Dulles Intl Airport?

Which airline offers the most flights to Washington, D.C. Dulles Intl Airport?

How long is the flight to Washington, D.C. Dulles Intl Airport?

How many direct flights to Washington, D.C. Dulles Intl Airport are there each day?

How many direct flights to Washington, D.C. Dulles Intl Airport are there each week?

How many long-haul flights are there to Washington, D.C. Dulles Intl Airport each week?

How many cities have direct flights to Washington, D.C. Dulles Intl Airport?

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