Question 1

Which is the best airline for flights from Washington, D.C. to London, Virgin Atlantic or United Airlines?

Accepted Answer

The two airlines most popular with KAYAK users for flights from Washington, D.C. to London are Virgin Atlantic and United Airlines. With an average price for the route of £586 and an overall rating of 7.4, Virgin Atlantic is the most popular choice. United Airlines is also a great choice for the route, with an average price of £1,154 and an overall rating of 7.4.

Question 2

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

Accepted Answer

A direct flight to London will take on average 7h 20m to travel the 3,677 miles flying distance from Washington Dulles Airport.

Question 3

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

Accepted Answer

Each day, there are 6 direct flights that take off from Washington, D.C. Dulles Intl Airport and land in London, with an average flight time of 7h 28m. The most common departure time is 22:00 and most flights take off at night. Each week, there are 42 flights and there are the same number of flights each day (6).

Question 4

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

Accepted Answer

In the last 5 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to London was £241 for a one-way ticket and £505 for a return.

Question 5

Which airlines fly most frequently between Washington Dulles Airport and London?

Accepted Answer

Washington Dulles Airport and London are connected by different airlines. The airlines that fly that route the most regularly are British Airways (21 flights per week), United Airlines (14 flights per week), and Virgin Atlantic (7 flights per week).

Question 6

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

Accepted Answer

If your flying dates are flexible, you should consider flying to London on a Monday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from Washington Dulles Airport to London. For your return ticket, we recommend flying on a Friday and avoiding Sundays for the best deals.

Question 7

Which airports will I be using when flying from Washington Dulles Airport to London?

Accepted Answer

Washington Dulles Airport is served by only 1 airport and there are 4 airports in London. You will leave Washington Dulles Airport from Washington, D.C. Dulles Intl and you will be arriving in London at one of these airports: London City, London Gatwick, London Heathrow, or London Luton.

Question 8

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

Accepted Answer

Early birds can take the earliest flight from Washington, D.C. Dulles Intl Airport at 17:45 and will be landing in London at 06:20.

Question 9

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

Accepted Answer

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport to London jets off at 22:25 and lands at 10:50.

Question 10

Which airlines fly direct between Washington, D.C. Dulles Intl Airport and London?

Accepted Answer

There are 4 airlines that fly direct from Washington, D.C. Dulles Intl Airport to London. They are: British Airways, Delta, United Airlines and Virgin Atlantic. The cheapest price of all airlines flying this route was found with British Airways at £425 for a return flight. On average, the best prices for this route can be found at Virgin Atlantic.

Question 11

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

Accepted Answer

Only KLM offers inflight Wi-Fi service on the Washington Dulles Airport to London flight route.

Question 12

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

Accepted Answer

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

Question 13

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

Accepted Answer

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

Question 14

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

Accepted Answer

There are direct flights from Washington Dulles Airport to London on a daily basis.

Question 15

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

Accepted Answer

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to London is February, where tickets cost £507 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £943 and £788 respectively.

Question 16

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

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 London.

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Washington Dulles Airport with another airline.

Question 19

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

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

Question 20

What is the cheapest stopover airport when flying from Washington Dulles Airport to London?

Accepted Answer

Flights via Lisbon (LIS) offer the most affordable fares, with an average price of £327 for a return.

Question 21

What is the most popular stopover airport when flying from Washington Dulles Airport to London?

Accepted Answer

Reykjavik (KEF) is the top choice – 45% of KAYAK users who clicked on one-stop flights from Washington Dulles Airport to London picked an itinerary connecting there.

Question 22

Which stopover airport has the quickest connection when flying from Washington Dulles Airport to London?

Accepted Answer

If you prefer a quick connection, Reykjavik (KEF) often has the shortest stopovers from Washington Dulles Airport to London, with an average time of 1h 18m.

Question 23

Which stopover airport offers the shortest total travel time from Washington Dulles Airport to London?

Accepted Answer

Consider flying via Dublin (DUB) for the shortest journey. The average one-way travel time for flights connecting there is 9h 25m.

Question 24

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

Accepted Answer

Weekly flights between Washington, D.C. and London historically see delays in approximately 17% of cases, with the average delay over the past year being 172 minutes.

Question 25

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

Accepted Answer

Based on our data, Virgin Atlantic have experienced the fewest delays on this route in the past 12 months, with only about 13% of their flights encountering any delays.

Question 26

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

Accepted Answer

Statistically, Monday 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 27

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

Accepted Answer

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

Question 28

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

Accepted Answer

There are 4 cabin class options for the route. These are First, 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 29

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

Accepted Answer

In the past 5 days, the cheapest return tickets from Washington Dulles Airport to London were found on Air Canada (£505) and British Airways (£506).

Question 30

What is the cheapest Washington, D.C. Dulles Intl Airport to London flight route?

Accepted Answer

The cheapest return flight from Washington, D.C. Dulles Intl Airport to London costs £633 on the route between Washington, D.C. Dulles Intl Airport (IAD) and London Heathrow Airport (LHR). It is also the most popular route.

Question 31

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

Accepted Answer

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to London, you should book around 3 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Question 32

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

Accepted Answer

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £730 on average.

Question 33

How much is a return flight from Washington, D.C. Dulles Intl Airport to London?

Accepted Answer

Flight prices are below average for this route right now.Flights to London from Washington, D.C. Dulles Intl Airport usually cost between £513 and £764 in October.
The lowest price found in the past 5 days was £505 on Air Canada (8 Oct–12 Oct).

Question 34

What are the most popular airlines flying to London?

Accepted Answer

The most popular airline among KAYAK users flying to London is British Airways, followed by United Airlines and Virgin Atlantic.

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KAYAK’s insights & trends for Dulles Intl to London flights

How much is a return flight from Washington, D.C. Dulles Intl Airport to London?

What is the cheapest Washington, D.C. Dulles Intl Airport to London flight route?

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

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

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

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

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

Which airlines fly most frequently between Washington Dulles Airport and London?

Which airlines fly direct between Washington, D.C. Dulles Intl Airport and London?

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

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

What is the most popular stopover airport when flying from Washington Dulles Airport to London?

What is the cheapest stopover airport when flying from Washington Dulles Airport to London?

Which stopover airport offers the shortest total travel time from Washington Dulles Airport to London?

Which stopover airport has the quickest connection when flying from Washington Dulles Airport to London?

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

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

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

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

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

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