Question 1

Which is the best airline for flights from London to Washington, D.C., Delta or Austrian Airlines?

Accepted Answer

The two airlines most popular with KAYAK users for flights from London to Washington, D.C. are Delta and Austrian Airlines. With an average price for the route of $810 and an overall rating of 7.8, Delta is the most popular choice. Austrian Airlines is also a great choice for the route, with an average price of $770 and an overall rating of 7.6.

Question 2

How long does a flight from London to Washington, D.C. take?

Accepted Answer

Direct flights cover the 3,662 miles separating London to Washington, D.C. in about 8h 00m.

Question 3

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

Accepted Answer

Each day, there are 7 nonstop flights that take off from London and land in Washington, D.C., with an average flight time of 8h 15m. The most common departure time is 5:00 pm and most flights take off in the afternoon. Each week, there are 49 flights and there are the same amount of flights each day (7).

Question 4

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

Accepted Answer

Each day, there are 7 nonstop flights that take off from London and land in Washington, D.C., with an average flight time of 8h 15m. The most common departure time is 5:00 pm and most flights take off in the afternoon. Each week, there are 49 flights and there are the same amount of flights each day (7).

Question 5

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

Accepted Answer

In the last 5 days, the lowest price for a flight from London to Washington, D.C. was $434 for a one-way ticket and $583 for a round-trip.

Question 6

Do I need a passport to fly between London and Washington, D.C.?

Accepted Answer

A passport is required to fly from London to Washington, D.C..

Question 7

Which airlines fly most frequently between London and Washington, D.C.?

Accepted Answer

London and Washington, D.C. are connected by different airlines. The airlines that fly that route the most regularly are British Airways (28 flights per week), United Airlines (14 flights per week), and Virgin Atlantic (7 flights per week).

Question 8

Which airlines fly most frequently between London and Washington, D.C.?

Accepted Answer

London and Washington, D.C. are connected by different airlines. The airlines that fly that route the most regularly are British Airways (28 flights per week), United Airlines (14 flights per week), and Virgin Atlantic (7 flights per week).

Question 9

What’s the cheapest day of the week to fly from London to Washington, D.C.?

Accepted Answer

If you are looking for a flight deal from London to Washington, D.C., look for departures on Wednesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Washington, D.C., Wednesday is the cheapest day to fly and Friday is the most expensive.

Question 10

What’s the cheapest day of the week to fly from London to Washington, D.C.?

Accepted Answer

If you are looking for a flight deal from London to Washington, D.C., look for departures on Wednesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Washington, D.C., Wednesday is the cheapest day to fly and Friday is the most expensive.

Question 11

Which airports will I be using when flying from London to Washington, D.C.?

Accepted Answer

London has 4 major airports: London City, London Gatwick, London Heathrow, and London Southend. Washington, D.C. is served by 2 airports: Washington, D.C. Reagan-National and Washington, D.C. Dulles Intl. You’ll usually find the cheapest deals if you fly from London Gatwick Airport and land at Baltimore/Washington Airport.

Question 12

What’s the earliest departure time from London to Washington, D.C.?

Accepted Answer

Early birds can take the earliest flight from London at 12:15 pm and will be landing in Washington, D.C. at 3:30 pm.

Question 13

What’s the latest departure time from London to Washington, D.C.?

Accepted Answer

If you prefer to fly at night, the latest flight from London to Washington, D.C. jets off at 6:00 pm and lands at 9:05 pm.

Question 14

Which airlines fly non-stop between London and Washington, D.C.?

Accepted Answer

There are 7 airlines that fly nonstop from London to Washington, D.C.. They are: American Airlines, Austrian Airlines, British Airways, Delta, Lufthansa, United Airlines and Virgin Atlantic. The cheapest price of all airlines flying this route was found with Delta at $320 for a round-trip flight. On average, the best prices for this route can be found at Lufthansa.

Question 15

Which airlines fly non-stop between London and Washington, D.C.?

Accepted Answer

There are 7 airlines that fly nonstop from London to Washington, D.C.. They are: American Airlines, Austrian Airlines, British Airways, Delta, Lufthansa, United Airlines and Virgin Atlantic. The cheapest price of all airlines flying this route was found with Delta at $320 for a round-trip flight. On average, the best prices for this route can be found at Lufthansa.

Question 16

Which airlines offer Wi-Fi service onboard planes from London to Washington, D.C.?

Accepted Answer

Only KLM offers inflight Wi-Fi service on the London to Washington, D.C. flight route.

Question 17

Which aircraft models fly most regularly from London to Washington, D.C.?

Accepted Answer

The Boeing 777 is the aircraft model that flies most regularly on the London to Washington, D.C. flight route.

Question 18

Which airline alliances offer flights from London to Washington, D.C.?

Accepted Answer

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

Question 19

On which days can I fly direct from London to Washington, D.C.?

Accepted Answer

There are nonstop flights from London to Washington, D.C. on a daily basis.

Question 20

How do I travel to London airports?

Accepted Answer

For those departing from Heathrow Airport, you can catch the Heathrow Express train from central London. This will take you only 15min. Alternatively, the Piccadilly Line on the Underground stops outside Terminals 2 & 3, Terminal 4 and Terminal 5. The Gatwick Express can take you to Gatwick Airport in 30min from Victoria Station, and those departing from Stansted Airport, can catch the Stansted Express from Tottenham Hale or Liverpool Street stations.

Question 21

How do I travel from Washington Airport into the city?

Accepted Answer

The Washington DC Metrorail Train System is connected to Reagan Airport with a station located on the concourse between Terminals B and C. Farecards can be found at all entrances to the station. On the other hand, the Dulles Airport is not directly connected to the Metrorail system, however the Silver Line Express bus service can connect you to the closest station, the Wiehle-Reston East Metro Station, for around $5 (£3.80).

Question 22

Are there any passenger lounges in London airports?

Accepted Answer

If you’d like to wait for your flight from London to Washington in comfort, you can find passenger lounges throughout Heathrow Airport. Plaza Premium Lounges are located at Terminal 2A, Terminal 3 ground floor, Terminal 4 near Gate 1 and at Terminal 5 next to Gate A7. These lounges can be accessed for £40 at the door. The Aspire Lounge & Spa at Terminal 5 has the added luxury of spa facilities and can be accessed for £35.

Question 23

Are there any hotels near Washington Airport?

Accepted Answer

For those flying into Dulles Airport, you can find Washing Dulles Airport Marriott on the airport campus, within a 3min drive of the terminal. This hotel also offers an airport shuttle for added convenience. The Westin and Hyatt Regency Dulles are also within a 5min drive. 5min from Ronald Reagan Airport is Crystal City, which has a range of accommodation options, including the International Luxury Suites, the Hilton Garden Inn and the Crystal City Marriott.

Question 24

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

Accepted Answer

The cheapest month for flights from London to Washington, D.C. is February, where tickets cost $631 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is $776 and $769 respectively.

Question 25

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

Accepted Answer

The cheapest month for flights from London to Washington, D.C. is February, where tickets cost $631 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is $776 and $769 respectively.

Question 26

How does KAYAK find such low prices on flights from London to Washington, D.C.?

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 London to Washington, D.C..

Question 27

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Washington, D.C.?

Accepted Answer

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

Question 28

What is the Hacker Fare option on flights from London to Washington, D.C.?

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, D.C. with an airline and back to London with another airline.

Question 29

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

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, D.C. from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 30

What is the cheapest layover airport when flying from London to Washington, D.C.?

Accepted Answer

Flights via Atlanta (ATL) offer the most affordable fares, with an average round-trip price of $401.

Question 31

What is the most popular layover airport when flying from London to Washington, D.C.?

Accepted Answer

Dublin (DUB) is the top choice – 35% of KAYAK users who clicked on 1-stop flights from London to Washington, D.C. picked an itinerary connecting there.

Question 32

Which layover airport has the quickest connection when flying from London to Washington, D.C.?

Accepted Answer

If you prefer a quick connection, Reykjavik (KEF) often has the shortest layovers from London to Washington, D.C., with an average of 1h 14m.

Question 33

Which layover airport offers the shortest total travel time from London to Washington, D.C.?

Accepted Answer

Consider flying via Philadelphia (PHL) for the shortest journey. The average one-way travel time for flights connecting there is 10h 59m.

Question 34

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

Accepted Answer

Weekly flights between London and Washington, D.C. historically see delays in approximately 17% of cases, with the average delay over the past year being 139 minutes.

Question 35

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

Accepted Answer

Based on our data, United Airlines have experienced the fewest delays on this route in the past 12 months, with only about 11% of their flights encountering any delays.

Question 36

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 Thursday has typically experienced more delays than other days.

Question 37

What is the most punctual flight time for London to Washington, D.C. 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 38

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

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 39

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

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 40

Which airlines provide the cheapest flights from London to Washington, D.C.?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from London to Washington, D.C. were found on British Airways ($583) and Icelandair ($585).

Question 41

Which airlines provide the cheapest flights from London to Washington, D.C.?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from London to Washington, D.C. were found on British Airways ($583) and Icelandair ($585).

Question 42

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

Accepted Answer

The absolute cheapest return flight from London to Washington, D.C. costs $466 on the route between London Heathrow Airport (LHR) and Washington, D.C. Dulles Intl Airport (IAD). The most popular route is between London Heathrow Airport (LHR) and Washington, D.C. Dulles Intl Airport (IAD).

Question 43

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

Accepted Answer

The absolute cheapest return flight from London to Washington, D.C. costs $466 on the route between London Heathrow Airport (LHR) and Washington, D.C. Dulles Intl Airport (IAD). The most popular route is between London Heathrow Airport (LHR) and Washington, D.C. Dulles Intl Airport (IAD).

Question 44

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

Accepted Answer

To get a below average price on the flight from London to Washington, D.C., you should book around 5 weeks before departure, which saves you about 30% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Question 45

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

Accepted Answer

To get a below average price on the flight from London to Washington, D.C., you should book around 5 weeks before departure, which saves you about 30% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Question 46

Can I save money by flying with a layover from London to Washington, D.C.?

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 $780 on average.

Question 47

Can I save money by flying with a layover from London to Washington, D.C.?

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 $780 on average.

Question 48

How much is a round-trip flight from London to Washington, D.C.?

Accepted Answer

Flight prices are below average for this route right now.Flights to Washington, D.C. from London usually cost between $672 and $925 in October.
The lowest price found in the past 5 days was $583 on British Airways (Oct 17-Oct 30).

Question 49

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

Accepted Answer

The most popular airline among KAYAK users flying to Washington, D.C. is British Airways, followed by Lufthansa and American Airlines.

Low season	February
High season	July
Cheapest flight	$433

LON - WAS

$433 Find Cheap Flights from London to Washington, D.C. - Compare and Save

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Cheap Flights from London to Washington, D.C. (LON-WAS)

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KAYAK's insights & trends for London to Washington, D.C. flights

How much is a round-trip flight from London to Washington, D.C.?

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

What’s the cheapest day of the week to fly from London to Washington, D.C.?

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

Can I save money by flying with a layover from London to Washington, D.C.?

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

Which airlines provide the cheapest flights from London to Washington, D.C.?

Which airlines fly most frequently between London and Washington, D.C.?

Which airlines fly non-stop between London and Washington, D.C.?

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

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

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

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

What is the most popular layover airport when flying from London to Washington, D.C.?

What is the cheapest layover airport when flying from London to Washington, D.C.?

Which layover airport offers the shortest total travel time from London to Washington, D.C.?

Which layover airport has the quickest connection when flying from London to Washington, D.C.?

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

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

How long does a flight from London to Washington, D.C. take?

What’s the earliest departure time from London to Washington, D.C.?

What’s the latest departure time from London to Washington, D.C.?

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