Question 1

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

Accepted Answer

According to our current data, Finnair (£162), TAP AIR PORTUGAL (£381), and JetBlue (£447) offers the cheapest pricing from London Heathrow Airport to Washington, D.C.. Finnair is currently priced 71% below the average price you’ll pay for this route.

Question 2

E

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. (average of £598). Flying from London Heathrow Airport to Washington, D.C. in June is currently the most expensive (average of £857). 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

£478

February

£498

March

£558

April

£537

May

£599

June

£686

July

£684

August

£614

September

£549

October

£512

November

£479

December

£495

Question 3

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

Accepted Answer

The best time to book flights from London Heathrow Airport to Washington, D.C. is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 4

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

Accepted Answer

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

Question 5

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

Accepted Answer

The London Heathrow Airport to Washington, D.C. flight deals you see on this page were last updated on 9/5.

Question 6

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

Accepted Answer

When booking a flight from London Heathrow Airport to Washington, D.C., you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

Looking for the cheapest flight from London Heathrow Airport to Washington, D.C.? While on average our users pay £1,622, our data indicates the cheapest price to be £512. The most popular route (London Heathrow - Washington, D.C. Dulles Intl), is priced around £381.

Question 9

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

Accepted Answer

Consider Air Canada (88%), Austrian Airlines (88%) or Copa Airlines (88%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Washington, D.C..

Question 10

Can I find flights from London Heathrow Airport to Washington, D.C. for under £200 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from London Heathrow Airport to Washington, D.C. for under £200. The cheapest flight booked recently is on Finnair for just £162, but on average you can expect to pay £419.

Question 11

Are there nonstop flights from London Heathrow Airport to Washington, D.C. for under £200 on Cheapflights?

Accepted Answer

Cheapflights has at least 20 direct flights from London Heathrow Airport to Washington, D.C. under £200. A good price for a nonstop flight from London Heathrow Airport to Washington, D.C. is less than £513.

Question 12

Are there last-minute flights available from London Heathrow Airport to Washington, D.C. for under £600?

Accepted Answer

There are currently 20+ open flights from London Heathrow Airport to Washington, D.C. within the next 7 days for less than £600.

Question 13

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

Accepted Answer

The most popular stopover on flights from London Heathrow Airport to Washington, D.C. is Dublin.

Question 14

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

Accepted Answer

London Heathrow Airport to Washington, D.C. flights have a stopover in Reykjavik the least frequently.

Question 15

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

Accepted Answer

Bord Gáis Energy Theatre, Olympia Theatre, and Royal Dublin Society are currently the most popular points of interest in Dublin at the moment. Those on a stopover in Dublin interested in visiting Bord Gáis Energy Theatre, Olympia Theatre, or Royal Dublin Society can do so by traveling 5.7 mi, 5.7 mi, and 6.9 mi, respectively from Dublin. Those looking to explore during their stopover in Dublin can hire a car from Dublin for about £20 per day.

Question 16

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

Accepted Answer

Flights from London Heathrow Airport to Washington, D.C. are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

Question 17

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

Accepted Answer

Travelers have found it’s best to book a flight 60 days in advance to save up to 23% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 60 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London Heathrow Airport to Washington, D.C. 1-2 weeks in advance for as low as £549, or £575 for flights within the next 24 hours.

Question 18

What is the cheapest month to fly from London Heathrow Airport 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 Heathrow Airport in November are about £517 on average during November, but can be found for as low as £284.

Question 19

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

Accepted Answer

When flying from London Heathrow Airport to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 6% versus a flight in the evening.

Question 20

Accepted Answer

If you’re travelling from London Heathrow Airport to Washington, D.C., one of the more common airlines travelling that route is Finnair. Flights from Finnair travelling this route typically cost £836.83 RT. This price is typically 19% more expensive than other airlines that offer London Heathrow Airport to Washington, D.C. flights. When booking this route, the cheapest RT price found was £641. London Heathrow Airport is the most common London Heathrow Airport 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 Heathrow Airport to Washington, D.C., Finnair flights are 7% more popular than any other airline flying that same route.

Question 21

Accepted Answer

TAP AIR PORTUGAL is one of the most popular airlines used for those travelling from London Heathrow Airport to Washington, D.C.. London Heathrow Airport to Washington, D.C. flights are typically 46% cheaper than other airlines traveling the same route. Flights from TAP AIR PORTUGAL typically cost £821.54 RT. The cheapest TAP AIR PORTUGAL flight found for this route was £604. London Heathrow Airport is the most common London Heathrow Airport 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 Heathrow Airport to Washington, D.C., TAP AIR PORTUGAL flights are 4% more popular than any other airline flying that same route.

Question 22

What does LHR to IAD mean?

Accepted Answer

LHR stands for London Heathrow Airport, while IAD stands for Washington, D.C. Dulles Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA).

Question 23

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

Accepted Answer

The amount of baggage you can bring on your Heathrow 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 Heathrow to Washington, D.C. with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter Heathrow 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 Heathrow to Washington, D.C. that include hotel bookings?

Accepted Answer

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

Question 26

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

Question 27

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

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow to Washington, D.C. that allow pets onboard?

Accepted Answer

Many airlines flying from Heathrow 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 Heathrow to Washington, D.C.?

Accepted Answer

Yes, you can often find last-minute deals on Heathrow 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 Heathrow to Washington, D.C.?

Accepted Answer

Cheapflights makes it easy to find Heathrow to Washington, D.C. flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 31

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

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Heathrow.

Question 32

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

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Washington, D.C. flexibly with Cheapflights today.

Question 33

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

Accepted Answer

Yes, Cheapflights offers price alerts on Heathrow to Washington, D.C. flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Popular in	July
Cheapest in	February
Round-trip from	£449
One-way from	£234

Airline	Cheapest	Average	Flexibility	On-time
Norse Atlantic UK	Cheapest£256	Average£601	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
PLAY	Cheapest£282	Average£393	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
Icelandair	Cheapest£375	Average£584	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£385	Average£617	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£391	Average£622	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air France	Cheapest£391	Average£655	FlexibilityNo cancel fee	On-time77%	Search Air France flights
JetBlue	Cheapest£393	Average£531	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
TAP AIR PORTUGAL	Cheapest£400	Average£608	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
American Airlines	Cheapest£404	Average£638	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
British Airways	Cheapest£417	Average£612	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

0%of flight departures	Early morningMidnight to 6 am
38%of flight departures	Morning6 am to noon
62%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 Heathrow Airport to Washington, D.C. from £162

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/6. 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 Heathrow to Washington, D.C. are usually found in February or November, booked 82 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Heathrow 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 Heathrow Airport to Washington, D.C.?

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

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

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

Cheap Finnair flights from Heathrow to Washington, D.C.

Take a look at some of the lowest-priced Finnair flights heading from London to Washington, D.C.. It's recommended that users confirm their flight details before booking.

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

Browse through some of the cheapest TAP AIR PORTUGAL flights travelling from London to Washington, D.C.. Deals frequently update to provide users with more options.

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

Find cheap flight options from Heathrow 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 876,925 searches. Prices were last updated on 10 May 2024.

Check out some of the best flight deals from London to Washington, D.C. in 2024. More deals are always being added, so be sure to check back regularly.

Heathrow to Washington, D.C. 2024 flight deals

Discover exclusive flight deals for travel between Heathrow and Washington, D.C. in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 876,925 searches. Data last updated 10 May 2024.

Check out some of the best flight deals 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 Heathrow

For a shorter flight, select one of these non-stop flights from London to Washington, D.C.. If you're looking for other options for flights from London to Washington, D.C., make sure to update the search form at the top of page.

Heathrow to Washington, D.C. flights leaving soon

Book one of these great deals on flights from London to Washington, D.C.. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

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

Some of the best available deals we've found on one-way flights 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 Heathrow to Washington, D.C. within your budget

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Washington, D.C.. Price data was last updated on 3 May 2024.

The best time to book flights from London Heathrow Airport to Washington, D.C. is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Washington, D.C.. Price data was last updated on 5 May 2024.

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

Plan your trip from Heathrow to Washington, D.C. by taking into account the cheapest months to travel. The average price of a one-way flight from Heathrow to Washington, D.C. is currently £225 while a return flight costs £439. Price data was last updated on 5 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.

See what other customers who have flown with Finnair, TAP AIR PORTUGAL and Virgin Atlantic from London to Washington, D.C. have to say. In addition to providing an overall rating, 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 Heathrow 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 Heathrow Airport to Washington, D.C. for under £200 on Cheapflights?

Are there nonstop flights from London Heathrow Airport to Washington, D.C. for under £200 on Cheapflights?

Are there last-minute flights available from London Heathrow Airport to Washington, D.C. for under £600?

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

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

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

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

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

What does LHR to IAD mean?

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

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

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

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

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

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

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

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

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

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

How recently were the London Heathrow Airport 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 Heathrow to Washington, D.C. on these airlinesChoose from the following airlines for your flight from Heathrow to Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on 10 May 2024.

Choose from the following airlines for your flight from Heathrow to Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on 10 May 2024.

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

Popular flight searches

Check out other popular destinations found by fellow travellers in 2024

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

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

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

Find hourly flight availability from Heathrow 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 10 May 2024.

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

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 Heathrow to Washington, D.C.?

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

Fly from Heathrow to Washington, D.C. on these airlines
Choose from the following airlines for your flight from Heathrow to Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on 10 May 2024.