Question 1

What are the cheapest airlines flying from London to Washington, D.C. round-trip?

Accepted Answer

According to our current data, PLAY (£282), and TAP AIR PORTUGAL (£381) offers the cheapest pricing from London to Washington, D.C.. Users have found that PLAY is 44% cheaper than the other options available to this destination.

Question 2

When is the best time to book a flight from London to Washington, D.C.?

Accepted Answer

Currently, November is the cheapest month in which you can book a flight from London to Washington, D.C. (average of £597). Flying from London to Washington, D.C. in June is currently the most expensive (average of £861). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

£472

February

£491

March

£551

April

£529

May

£585

June

£679

July

£677

August

£603

September

£540

October

£505

November

£471

December

£488

Question 3

When is the best time to book a flight from London to Washington, D.C.?

Accepted Answer

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 4

When is the cheapest time to fly from London to Washington, D.C.?

Accepted Answer

Travellers seeking maximum savings on their London to Washington, D.C. flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 5

How recently were the London to Washington, D.C. flight deals updated?

Accepted Answer

The London to Washington, D.C. flight deals you see on this page were last updated on 17/5.

Question 6

What are the most popular airlines that fly from London to Washington, D.C.?

Accepted Answer

Before booking your flight from London to Washington, D.C. check out the most popular airlines for this route: American Airlines, Air Canada or Air France.

Question 7

What are the most popular routes from London to Washington, D.C.?

Accepted Answer

When deciding which route to take from London to Washington, D.C. consider London Heathrow - Washington, D.C. Dulles Intl, London Heathrow - Baltimore/Washington or London Gatwick - Washington, D.C. Dulles Intl as they are the most popular.

Question 8

What are the cheapest flights from London to Washington, D.C.?

Accepted Answer

While on average a flight from London to Washington, D.C. is generally £1,606, our data shows the cheapest flight currently is £469. When looking at the most popular route, (London Heathrow - Washington, D.C. Dulles Intl), you can expect to pay £392 for that flight.

Question 9

What are the most reliable airlines from London to Washington, D.C.?

Accepted Answer

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Washington, D.C. on time: Air Canada (87%), Austrian Airlines (87%), Copa Airlines (87%).

Question 10

Can I find flights from London to Washington, D.C. for under £300 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from London to Washington, D.C. for under £300. The cheapest flight booked recently is on PLAY for just £282, but on average you can expect to pay £332.

Question 11

Are there nonstop flights from London to Washington, D.C. for under £500 on Cheapflights?

Accepted Answer

Cheapflights has at least 20 direct flights from London to Washington, D.C. under £500. A good price for a nonstop flight from London to Washington, D.C. is less than £513.

Question 12

Are there last-minute flights available from London to Washington, D.C. for under £400?

Accepted Answer

There are currently 20+ open flights from London to Washington, D.C. within the next 7 days for less than £400.

Question 13

Where are the most common stopover locations when flying from London to Washington, D.C.?

Accepted Answer

Most of the time, London to Washington, D.C. flights that have stopovers will stop in Reykjavik.

Question 14

Where are the least popular stopover locations for London to Washington, D.C. flights?

Accepted Answer

Flights departing from London and landing in Washington, D.C. stopover in Dublin least frequently.

Question 15

What are some popular things to do or see while on a stopover in Reykjavik?

Accepted Answer

If you're on a stopover in Reykjavik and looking for things to do, consider visiting Harpa, Hallgrímskirkja, or Ásmundarsafn. Travelers on a layover in Reykjavik can visit Harpa, Hallgrímskirkja, and Ásmundarsafn, by traveling 23.3 mi, 23.2 mi, and 24.3 mi, respectively after landing at Reykjavik Keflavik Intl. Travellers can book a car hire at Reykjavik Keflavik Intl for about £40 per day to make their sightseeing more efficient.

Question 16

What is the cheapest day to fly round-trip from London to Washington, D.C.?

Accepted Answer

Users have found that flying from London to Washington, D.C. on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Question 17

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

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 60 days in advance, which can save you up to 23% on flights from London to Washington, D.C. compared to booking the week you need them. Waiting 60 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £543. For sooner than that we have options available in the next 3 days from £567.

Question 18

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

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, November can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from London in November are about £510 on average during November, but can be found for as low as £280.

Question 19

When is the cheapest time to fly from London to Washington, D.C. (LON - WAS)?

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from London to Washington, D.C. in the morning. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the evening.

Question 20

Accepted Answer

TAP AIR PORTUGAL is one of the most popular airlines used for those travelling from London to Washington, D.C.. London to Washington, D.C. flights are typically 46% cheaper than other airlines traveling the same route. Flights from TAP AIR PORTUGAL typically cost £836.83 RT. The cheapest TAP AIR PORTUGAL flight found for this route was £637. London Heathrow Airport is the most common London airport to take off from when flying to Washington, D.C.. Washington, D.C. Dulles Intl Airport is the most popular arrival airport in Washington, D.C.. When flying from London to Washington, D.C., TAP AIR PORTUGAL flights are 5% more popular than any other airline flying that same route.

Question 21

Accepted Answer

Icelandair is one of the most popular airlines used for those travelling from London to Washington, D.C.. Flights from Icelandair travelling this route typically cost £823.59 RT. This price is typically 52% more expensive than other airlines that offer London to Washington, D.C. flights. When booking this route, the cheapest RT price found was £604. The most popular departure airport in London when flying to Washington, D.C. is London Heathrow Airport. The most popular airport to fly into when visiting Washington, D.C. is Washington, D.C. Dulles Intl Airport. When flying from London to Washington, D.C., Icelandair flights are 3% more popular than any other airline flying that same route.

Question 22

What does LHR to IAD mean?

Accepted Answer

LHR and IAD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. LHR to IAD refers to a flight route from London Heathrow Airport to Washington, D.C. Dulles Intl Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA).

Question 23

Can I find deals for flights from London to Washington, D.C. that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your London to Washington, D.C. flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Question 24

Can I find deals on flights from London to Washington, D.C. with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter London to Washington, D.C. flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Question 25

Can I find deals for flights from London to Washington, D.C. that include hotel bookings?

Accepted Answer

Yes. In addition to deals on London to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 26

How can I find direct flights from London to Washington, D.C.?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Washington, D.C..

Question 27

Can I find deals for business class flights from London to Washington, D.C.?

Accepted Answer

Yes. Cheapflights offers flight deals from London to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 28

Can I find deals for flights from London to Washington, D.C. that allow pets onboard?

Accepted Answer

Many airlines flying from London to Washington, D.C. offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Question 29

Can I find deals on last-minute flights from London to Washington, D.C.?

Accepted Answer

Yes, you can often find last-minute deals on London to Washington, D.C. flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Question 30

How does Cheapflights help users find flights from London to Washington, D.C.?

Accepted Answer

When you search for this flight from London to Washington, D.C., Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 31

Why should you use Cheapflights to find cheap flight tickets from London to Washington, D.C.?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from London to Washington, D.C. by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 32

Can Cheapflights find flights from London to Washington, D.C. with no change fees?

Accepted Answer

Need flexible booking options for your flight to Washington, D.C. from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 33

Can Cheapflights notify me if prices for flights from London to Washington, D.C. become cheaper?

Accepted Answer

Of course! You can now track prices for flights from London to Washington, D.C. and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Popular in	July
Cheapest in	November
Round-trip from	£443
One-way from	£182

Airline	Cheapest	Average	Flexibility	On-time
Norse Atlantic UK	Cheapest£232	Average£587	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
PLAY	Cheapest£261	Average£376	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
Icelandair	Cheapest£370	Average£571	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£380	Average£652	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
JetBlue	Cheapest£382	Average£513	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
United Airlines	Cheapest£385	Average£606	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air France	Cheapest£385	Average£644	FlexibilityNo cancel fee	On-time77%	Search Air France flights
TAP AIR PORTUGAL	Cheapest£395	Average£613	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
American Airlines	Cheapest£398	Average£626	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Aer Lingus	Cheapest£404	Average£561	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

1%of flight departures	Early morningMidnight to 6 am
8%of flight departures	Morning6 am to noon
91%of flight departures	AfternoonNoon to 6 pm
0%of flight departures	Evening6 pm to midnight

Monday	30daily flights
Tuesday	30daily flights
Wednesday	30daily flights
Thursday	30daily flights
Friday	30daily flights
Saturday	30daily flights
Sunday	30daily flights

Cheap flights from London to Washington, D.C. from £182

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

The best prices from London to Washington, D.C. are usually found in November or September, booked 59 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from London to Washington, D.C.

Popular in

Cheapest in

Round-trip from

One-way from

What is the cheapest day to fly round-trip from London to Washington, D.C.?

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

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

When is the cheapest time to fly from London to Washington, D.C. (LON - WAS)?

Cheap TAP AIR PORTUGAL flights from London to Washington, D.C.

Find some of the cheapest TAP AIR PORTUGAL flights travelling from London to Washington, D.C.. Come back soon if you're not finding the exact deal you're looking for.

Cheap Icelandair flights from London to Washington, D.C.

Take a gander at the lowest prices we've found on Icelandair flights from London to Washington, D.C.. Deals are refreshing constantly so come back soon for more options.

Cheap London to Washington, D.C. flights in May & June 2024

Find cheap flight options from London to Washington, D.C. specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 841,960 searches. Prices were last updated on 18 May 2024.

Scroll through some of the best deals on flights from London to Washington, D.C. in 2024. More deals are always being added, so be sure to check back regularly.

London to Washington, D.C. 2024 flight deals

Discover exclusive flight deals for travel between London and Washington, D.C. in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 841,960 searches. Data last updated 18 May 2024.

Scroll through some of the best deals on flights from London to Washington, D.C. in 2024. More deals are always being added, so be sure to check back regularly.

Direct flights to Washington, D.C. from London

For a quicker trip, book one of these direct flights from London to Washington, D.C.. Users can also choose from other London to Washington, D.C. flights by using the search form above.

London to Washington, D.C. flights leaving soon

Have a look at some of the flights available from London to Washington, D.C. departing last-minute. Tip: verify your flight details before completing your reservation.

One-way flights to Washington, D.C. from London

Take a look at some of the one-way flights we've detected from London to Washington, D.C.. Users in need of a round-trip flight from London to Washington, D.C. instead should update the search form at the top of page.

Find flights from London to Washington, D.C. within your budget

When is the best time to book a flight from London to Washington, D.C.?

Use this chart to determine the optimal time to book a return flight from London to Washington, D.C.. Price data was last updated on 10 May 2024.

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

When is the cheapest time to fly from London to Washington, D.C.?

Use this chart to determine the cheapest time to fly return from London to Washington, D.C.. Price data was last updated on 12 May 2024.

Average price of flights to Washington, D.C. by month

Plan your trip from London to Washington, D.C. by taking into account the cheapest months to travel. The average price of a one-way flight from London to Washington, D.C. is currently £197 while a return flight costs £427. Price data was last updated on 12 May 2024.

Temperature and rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature and rainfall totals by month.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with TAP AIR PORTUGAL, Icelandair and American Airlines from London to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find flights from London to Washington, D.C. for under £300 on Cheapflights?

Are there nonstop flights from London to Washington, D.C. for under £500 on Cheapflights?

Are there last-minute flights available from London to Washington, D.C. for under £400?

What are the cheapest airlines flying from London to Washington, D.C. round-trip?

What are the most popular routes from London to Washington, D.C.?

What are the most popular airlines that fly from London to Washington, D.C.?

What are the most reliable airlines from London to Washington, D.C.?

What are the cheapest flights from London to Washington, D.C.?

What does LHR to IAD mean?

Where are the most common stopover locations when flying from London to Washington, D.C.?

What are some popular things to do or see while on a stopover in Reykjavik?

Where are the least popular stopover locations for London to Washington, D.C. flights?

Can I find deals for flights from London to Washington, D.C. that include extra baggage allowance?

Can I find deals on flights from London to Washington, D.C. with specific airlines?

Can I find deals for flights from London to Washington, D.C. that include hotel bookings?

How can I find direct flights from London to Washington, D.C.?

Can I find deals for business class flights from London to Washington, D.C.?

Can I find deals for flights from London to Washington, D.C. that allow pets onboard?

Can I find deals on last-minute flights from London to Washington, D.C.?

How recently were the London to Washington, D.C. flight deals updated?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from London to Washington, D.C. on these airlinesChoose from the following airlines for your flight from London to Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on 18 May 2024.

Choose from the following airlines for your flight from London to Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on 18 May 2024.

Top 10 airlines flying from London to Washington, D.C.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2024

Search flights from London to Washington, D.C. by cabin class

Find flights from London to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from London to Washington, D.C.

Find hourly flight availability from London to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 May 2024.

Weekly flight availability from London to Washington, D.C.

Explore weekly flight availability from London to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 May 2024.

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Washington, D.C.?

Fly from London to Washington, D.C. on these airlines
Choose from the following airlines for your flight from London to Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on 18 May 2024.