Question 1

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

Accepted Answer

The two airlines most popular with KAYAK users for flights from Washington, D.C. to London are Delta and United Airlines. With an average price for the route of $851 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $856 and an overall rating of 7.4.

Question 2

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

Accepted Answer

A direct flight to London Heathrow Airport will take on average 7h 15m to travel the 3,649 miles flying distance from Washington, D.C.. Visit our flight page for the latest deals!>/a>

Question 3

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

Accepted Answer

Each day, there are 6 nonstop flights that take off from Washington, D.C. and land in London Heathrow Airport, with an average flight time of 7h 25m. The most common departure time is 5:00 pm 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 4

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

Accepted Answer

In the last 3 days, the lowest price for a flight from Washington, D.C. to London Heathrow Airport was $217 for a one-way ticket and $398 for a round-trip. <a href='/flight-routes/Washington-WAS/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 5

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

Accepted Answer

Yes <a href='/flight-routes/Washington-WAS/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 6

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 7

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

Accepted Answer

For Washington, D.C. to London Heathrow Airport, Tuesday is the cheapest day to fly on average and Saturday is the most expensive. Flying from London Heathrow Airport back to Washington, D.C., the best deals are generally found on Tuesday, with Monday being the most expensive. Visit our flight page for the latest deals!>/a>

Question 8

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

Accepted Answer

When flying out of Washington, D.C. you will be using one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be landing at London Heathrow. <a href='/flight-routes/Washington-WAS/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 9

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. at 5:40 pm and will be landing in London Heathrow Airport at 6:15 am.

Question 10

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. to London Heathrow Airport jets off at 10:45 pm and lands at 11:10 am.

Question 11

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

Accepted Answer

There are 3 airlines that fly nonstop from Washington, D.C. to London Heathrow Airport. They are: British Airways, United Airlines and Virgin Atlantic. The cheapest price of all airlines flying this route was found with Virgin Atlantic at $582 for a round-trip flight. On average, the best prices for this route can be found at British Airways.

Question 12

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 13

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 14

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 15

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

Accepted Answer

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

Question 16

Where can I sleep at London Heathrow Airport?

Accepted Answer

For customers with layover flights who want to get a quick nap within the airport grounds, there are sofas and sleep-friendly seating distributed across Terminals 2, 3, and 4. Terminal 3, Airside has a specially designated resting zone with lounges and snack machines while Terminal 4 has sleep cabins. You can also sleep in hotels connected to Terminals 4 and 5 like Aerotel London Heathrow and Hilton London Heathrow Airport.

Question 17

Does Washington Dulles Aiport have accessible services?

Accepted Answer

Yes. For wheelchair users, IAD provides free wheelchair services, air shuttle buses with wheelchair lifts, designated parking spaces, designated public restrooms with accessible facilities, and accessible telephones. For the visually impaired, all the elevators have raised braille buttons.

Question 18

Does London Heathrow Airport offer family services?

Accepted Answer

LHR offers a variety of services to enhance the customer’s experience. For infants, their parents can access baby changing facilities in the washrooms found on both Airside and Landside terminals. For older kids up to 9 years old, the children’s play areas located at the Airside departure lounges in Terminals 2A Gate 16, 3, 4 Gates 1-6, and 5A Gate A7 are open for around 15h a day. Some airport restaurants, often indicated, allow kids to eat free.

Question 19

What are the transportation options from London Heathrow Airport?

Accepted Answer

LHR has a central bus station that runs 24h a day that can be accessed from all the terminals either by walking or by boarding the free shuttle bus courtesy of LHR. At the station, travelers can board coaches or local buses that charge approximately £9 ($11) to get to. Travelers can also rent a car from car rental companies at the airport that charge around £22 ($26) per day. Taxis located outside each terminal charge around £30 ($37) to Central London. The Heathrow Connect train that runs at intervals of around 15min transports passengers between LHR and Paddington Station charging around £25 ($30).

Question 20

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

Accepted Answer

The cheapest month for flights from Washington, D.C. to London Heathrow Airport is October, where tickets cost $668 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $1,080 and $914 respectively.

Question 21

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-WAS/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 22

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 travelers know whether to wait or book now. <a href='/flight-routes/Washington-WAS/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 23

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-WAS/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 24

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-WAS/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 25

Which cabin class options are there for flights between Washington, D.C. 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 26

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 ($398) and Icelandair ($541).

Question 27

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

Accepted Answer

Our data shows that the cheapest route for a return flight from Washington, D.C. to London Heathrow Airport cost $590 and was between Washington, D.C. Dulles Intl Airport (IAD) and London Heathrow Airport (LHR). On average, the best prices are found if you fly from Baltimore (BWI) to London Heathrow Airport (LHR). The average price for a return flight for this route is $590.

Question 28

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

Accepted Answer

To get a below average price on the flight from Washington, D.C. to London Heathrow Airport, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Question 29

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

Accepted Answer

No, with an average price for the route of $2,146, prices are generally cheapest when you fly direct.

Low season	February
High season	April
Cheapest flight	$217

WAS - LHR

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

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

For Washington, D.C. to London Heathrow Airport, Tuesday is the cheapest day to fly on average and Saturday is the most expensive. Flying from London Heathrow Airport back to Washington, D.C., the best deals are generally found on Tuesday, with Monday being the most expensive.

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

The cheapest month for flights from Washington, D.C. to London Heathrow Airport is October, where tickets cost $668 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $1,080 and $914 respectively.

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

No, with an average price for the route of $2,146, prices are generally cheapest when you fly direct.

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

To get a below average price on the flight from Washington, D.C. to London Heathrow Airport, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 24 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 ($398) and Icelandair ($541).

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

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

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

A direct flight to London Heathrow Airport will take on average 7h 15m to travel the 3,649 miles flying distance from Washington, D.C..

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. 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. to London Heathrow Airport jets off at 10:45 pm and lands at 11:10 am.

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