Question 1

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

Accepted Answer

Nonstop flights from Washington, D.C. generally make it to London Heathrow Airport in 7h 10m. The flying distance between the two cities is 9,491 km. Visit our flight page for the latest deals!>/a>

Question 2

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

Accepted Answer

Each day, there are 6 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in London Heathrow Airport, with an average flight time of 7h 26m. The most common departure time is 5:00 p.m. and most flights take off in the evening. Each week, there are 42 flights and there are the same amount of flights each day (6). Visit our flight page for the latest deals!>/a>

Question 3

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

Accepted Answer

In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport was C$ 219 for a one-way ticket and C$ 446 for a round-trip. <a href='/flight-routes/Washington-D-C-Dulles-Intl-IAD/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 4

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

Accepted Answer

Washington, D.C. and London Heathrow Airport 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). Visit our flight page for the latest deals!>/a>

Question 5

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

Accepted Answer

If you are looking for a flight deal from Washington, D.C. to London Heathrow Airport, look for departures on Wednesdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from London Heathrow Airport, Saturday is the cheapest day to fly and Monday is the most expensive. Visit our flight page for the latest deals!>/a>

Question 6

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

Accepted Answer

On your way to London Heathrow Airport, you’ll fly out from Washington, D.C. Dulles Intl. You’ll be landing at London Heathrow. <a href='/flight-routes/Washington-D-C-Dulles-Intl-IAD/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 7

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

Accepted Answer

Early birds can take the earliest flight from Washington, D.C. Dulles Intl Airport at 5:40 pm and will be landing in London Heathrow Airport at 6:15 am.

Question 8

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

Accepted Answer

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport jets off at 10:45 pm and lands at 11:10 am.

Question 9

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

Accepted Answer

Only American Airlines offers inflight Wi-Fi service on the Washington, D.C. to London Heathrow Airport flight route.

Question 10

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

Accepted Answer

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

Question 11

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

Accepted Answer

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

Question 12

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

Accepted Answer

There are direct flights from Washington, D.C. to London Heathrow Airport on a daily basis.

Question 13

What accessibility services are there at Dulles Intl Airport?

Accepted Answer

To cater to travelers with limited mobility and disabilities, Dulles Airport offers a wide range of accessibility services. These include elevators with Braille signage and self-voicing announcements, wheelchair access, a pet relief area for service or companion dogs, public restrooms with disability access, and assisted security screenings.

Question 14

Are there nonstop flights from Dulles Intl to London-Heathrow Airport?

Accepted Answer

Passengers wishing to fly from Washington, DC, to London can get nonstop flights from several airlines, including Lufthansa. Other nonstop flights are operated by multiple airlines, although the tickets come at a higher price. Most flights operated by American Airlines, Finnair, Icelandair, Delta Air Lines, and Virgin Atlantic have one- or two-stop flights. Depending on the airline, you may board your connecting flight in Keflavik, Dallas, Chicago, Helsinki, Boston, or Atlanta.

Question 15

Are there airport hotels at London-Heathrow Airport?

Accepted Answer

There are hotels located right within Heathrow Airport. They include the Hilton Garden Inn Airport Hotel, situated right next to Terminal 2 and a few minutes walk to Terminal 3. Alternatively, you can choose to stay at the Aerotel London Heathrow situated near Terminal 2 and 3. Other hotels within a comfortable walking distance include the Novotel London Heathrow Airport T1 T2 and T3, Ibis Styles London Heathrow Airport, Radisson Blu Edwardian Heathrow Hotel, and more.

Question 16

How can I get from Heathrow Airport to the London city center?

Accepted Answer

You can get from London-Heathrow Airport to the city center by train. You can board a train from Heathrow Central Station, located about 5min from terminals 2 and 3. You can get train tickets at the automated ticketing machines or booking office at the station. Trains from the airport arrive in the downtown area at Paddington Station after about 15min.

Question 17

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

Accepted Answer

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport is September, where tickets cost C$ 927 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is C$ 1,477 and C$ 1,232 respectively.

Question 18

How does KAYAK find such low prices on flights from Washington, D.C. to London Heathrow 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 from Washington, D.C. to London Heathrow Airport. <a href='/flight-routes/Washington-D-C-Dulles-Intl-IAD/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 19

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

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Washington, D.C. is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/Washington-D-C-Dulles-Intl-IAD/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 20

What is the Hacker Fare option on flights from Washington, D.C. to London Heathrow 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 London Heathrow Airport with an airline and back to Washington, D.C. with another airline. <a href='/flight-routes/Washington-D-C-Dulles-Intl-IAD/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 21

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to London Heathrow 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 London Heathrow Airport from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Washington-D-C-Dulles-Intl-IAD/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 22

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

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 23

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

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to London Heathrow Airport were found on Scandinavian Airlines (C$ 617) and Icelandair (C$ 720).

Question 24

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

Accepted Answer

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Question 25

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

Accepted Answer

No, with an average price for the route of C$ 3,030, prices are generally cheapest when you fly direct.

Low season	February
High season	July
Cheapest flight	C$ 303

IAD - LHR

C$ 303 Find Cheap Flights from Washington, D.C. to London Heathrow Airport

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Expert advice for your flight from Washington, D.C. to Heathrow

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

Get data-powered insights and trends into flights from Washington, D.C. to Heathrow to help you find the cheapest flights, the best time to fly and much more.

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

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

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

No, with an average price for the route of C$ 3,030, prices are generally cheapest when you fly direct.

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

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

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

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to London Heathrow Airport were found on Scandinavian Airlines (C$ 617) and Icelandair (C$ 720).

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

Washington, D.C. and London Heathrow Airport 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).

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

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.

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

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

Nonstop flights from Washington, D.C. generally make it to London Heathrow Airport in 7h 10m. The flying distance between the two cities is 9,491 km.

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

Early birds can take the earliest flight from Washington, D.C. Dulles Intl Airport at 5:40 pm and will be landing in London Heathrow Airport at 6:15 am.

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

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport jets off at 10:45 pm and lands at 11:10 am.

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What accessibility services are there at Dulles Intl Airport?

Are there nonstop flights from Dulles Intl to London-Heathrow Airport?

Are there airport hotels at London-Heathrow Airport?

How can I get from Heathrow Airport to the London city center?

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

In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport was C$ 219 for a one-way ticket and C$ 446 for a round-trip.

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

On your way to London Heathrow Airport, you’ll fly out from Washington, D.C. Dulles Intl. You’ll be landing at London Heathrow.

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

Only American Airlines offers inflight Wi-Fi service on the Washington, D.C. to London Heathrow Airport flight route.

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

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

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

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

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

There are direct flights from Washington, D.C. to London Heathrow Airport on a daily basis.

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

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, D.C. to London Heathrow Airport.

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

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

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

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

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

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport

Prefer to fly direct from Washington, D.C. to London Heathrow Airport?

Everything you need to know for your flight from Washington, D.C. to Heathrow

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Complete your trip to Heathrow with a hotel stay or car rental

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