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Cheap flights from London to Washington, D.C. from ₹ 40,322

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

Cheap return flights

These are some of the best return flight deals from London 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 to Washington, D.C..

Cheap last-minute flights

Planning a quick getaway from London 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 to Washington, D.C.

Find recent round-trip train or bus tickets from London 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.
LON-WAS
9485 kmmulti-stop
WAS-LON
9485 kmmulti-stop
Multiple Airlines
Find Deal
LON-WAS
9485 kmmulti-stop
Multiple Airlines
Find Deal

See travel insights to Washington, D.C. from

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

In general, February is the cheapest month to fly from London to Washington, D.C.. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 49,809. The month of November is another great option to travel to Washington, D.C., with average flight prices from London averaging around ₹ 50,741.

What is the cheapest day to depart on your flight to Washington, D.C.?

The cheapest day to depart on your flight to Washington, D.C. is on a Monday when prices can be found for as low as ₹ 0. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from London to Washington, D.C. for around ₹ 56,347.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

Our most recent data shows that the best time of day to fly to Washington, D.C. is at midday. Flights from London to Washington, D.C. during this time can be as low as ₹ 0. Flights in the morning are often more expensive, with an average ticket price of ₹ 54,961.

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

Fly from London Heathrow to Washington, D.C. Dulles Intl for the best London - Washington, D.C. flight prices

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

The best time to book a flight to Washington, D.C. from London is 59 days out, which is when prices tend to be around ₹ 59,142. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from London for as low as ₹ 4,283,908 on momondo.

What cabin class options are available on London to Washington, D.C. flights?

There are 3 cabin classes available to choose from on London to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of December 2024, prices for London to Washington, D.C. flights are approximately 9% cheaper when compared to flights at the same time last year.

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

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

Cheap London to Washington, D.C. (LON to WAS) flight deals and tips

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

Direct flights

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

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

    A flight from London to Washington, D.C. will travel around 5893.9 km.

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

    Prices for flights from London to Washington, D.C. refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Washington, D.C..

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

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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


Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Washington, D.C. for you.

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

momondo does allow users to show only those flights to Washington, D.C. from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Washington, D.C. from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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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.