Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London Heathrow Airport to Washington, D.C. from ₹ 65,912

1 adult
'This year, momondo is the #1 place for airfares on the internet.'
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customie your results
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from London Heathrow Airport to Washington, D.C.

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Washington, D.C..

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London Heathrow Airport to Washington, D.C.

Find recent round-trip train or bus tickets from London Heathrow Airport to Washington, D.C..

All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
LHR-IAD
8h 25mdirect
IAD-LHR
7h 20mdirect
American Airlines
Find Deal
LHR-IAD
8h 40mdirect
IAD-LHR
7h 30mdirect
LHR-IAD
8h 35mdirect
IAD-LHR
7h 15mdirect
Air Canada
Find Deal
LHR-IAD
8h 25mdirect
IAD-LHR
7h 20mdirect
Aer Lingus
Find Deal
LHR-IAD
8h 35mdirect
IAD-LHR
7h 15mdirect
Austrian Airlines
Find Deal
LHR-IAD
8h 40mdirect
IAD-LHR
7h 30mdirect
Air France
Find Deal
LHR-IAD
8h 40mdirect
IAD-LHR
7h 30mdirect
LHR-IAD
8h 35mdirect
IAD-LHR
7h 15mdirect
Copa Airlines
Find Deal
LHR-IAD
8h 35mdirect
IAD-LHR
7h 15mdirect
LHR-IAD
8h 35mdirect
IAD-LHR
7h 15mdirect
United Airlines
Find Deal
LHR-IAD
8h 25mdirect
IAD-LHR
7h 20mdirect
Finnair
Find Deal
LHR-IAD
8h 25mdirect
IAD-LHR
7h 20mdirect
Iberia
Find Deal
LHR-IAD
8h 35mdirect
IAD-LHR
7h 15mdirect
Lufthansa
Find Deal
LHR-IAD
8h 40mdirect
IAD-LHR
7h 30mdirect
Virgin Atlantic
Find Deal
LHR-IAD
8h 40mdirect
IAD-LHR
7h 30mdirect
Singapore Airlines
Find Deal
LHR-IAD
8h 25mdirect
IAD-LHR
7h 20mdirect
British Airways
Find Deal

How to get the cheapest flight ticket from London Heathrow Airport to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

February. The cheapest time of year to fly to Washington, D.C. from London Heathrow Airport is February. The most expensive is August.

What is the cheapest day to depart London Heathrow Airport for Washington, D.C.?

Tuesday. The cheapest day of the week is usually Tuesday. The most expensive is usually Tuesday.

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

London Heathrow Airport to Washington, D.C. flights are currently only available in the morning

How far in advance should you book London Heathrow Airport to Washington, D.C. flights?

37 days before. The cheapest time to buy a flight from London Heathrow Airport to Washington, D.C. is approximately 37 days to departure

How many flights depart from London Heathrow Airport to Washington, D.C. on average per day?

The number of flights available between London Heathrow Airport and Washington, D.C. is 19 per day as of November 2024. The most frequent departure time is 16:00, with 100% of daily flights leaving in the afternoon.

How many flights depart from London Heathrow Airport to Washington, D.C. on average per week?

As of November 2024, there are 138 flights per week flying from London Heathrow Airport to Washington, D.C.. The most common day of the week flights depart is Monday, with 19% of flights taking off on this day.

How have London Heathrow Airport to Washington, D.C. flight prices changed over time?

As of November 2024, prices for London Heathrow Airport to Washington, D.C. flights are approximately 24% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Washington, D.C. (LHR to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Washington, D.C.

Direct flights

None
There are no direct flights from London Heathrow Airport to Washington, D.C.. There are no popular flight routes from London Heathrow Airport to Washington, D.C..

  • How far is London Heathrow to Washington, D.C. by plane?

    London Heathrow and Washington, D.C. are 5873.1 km apart from one another.

  • When did momondo last update prices for flights from London Heathrow Airport to Washington, D.C.?

    Prices for flights from London Heathrow Airport to Washington, D.C. are refreshed on a daily basis.

  • How old do you have to be to fly from London Heathrow Airport to Washington, D.C.?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Washington, D.C.?


Why use momondo?

Why should I use momondo to find a flight deal from London to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Washington, D.C.?

Once all potential London to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sat 9/11
Sat 16/11
Email me momondo's favourite deals

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 36.1 km from Washington, D.C.