Flight tickets from Washington D.C. to London Heathrow

Compare Washington D.C. to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Washington D.C. to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to London Heathrow? Find the lowest prices on one-way and return tickets right here.

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Find the cheapest month to fly from Washington D.C. to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to London Heathrow flights are currently cheapest in August.

Direct flights from Washington D.C. to London Heathrow

Washington D.C. to London Heathrow: Alternative routes

Compare routes from Washington D.C. to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Washington D.C. to London: Flight information

The things to know before you go.
Cheapest flight found₹ 18,932
Cheapest month to flyAugust
Average flight time7 hrs, 11 mins
Most popular airlineIberia
Average flights per week500

Finding cheap flights from Washington D.C. to London Heathrow: Frequently asked questions

The best price we found for a return flight from Washington D.C. to London Heathrow is ₹ 44,681. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
7 hours and 11 minutes is the average flight time from Washington D.C. to London Heathrow.
Iberia, Lufthansa and Austrian Airlines fly direct from Washington D.C. to London Heathrow.
As of April 2024, there are 250 flights per week flying from Washington D.C. to London Heathrow.
The cheapest month to fly from Washington D.C. to London Heathrow is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to London Heathrow Airport on Monday, 9 September 2024.
Yes – the average flight time is 7 hours and 11 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London Heathrow is around 40 days in advance, so don’t leave your flight to the last minute.

How to find cheap flights to London (LHR) from Washington D.C. (WAS) in 2024

Looking for cheap tickets from Washington D.C. to London Heathrow? Return tickets start from ₹ 44,681 and one-way flights to London Heathrow from Washington D.C. start from ₹ 18,932


Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Washington D.C. to London Heathrow. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to London from Washington D.C. from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to London start from ₹ 18,932 one-way.
  • Flex your dates to find the best WAS-LHR ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to London Heathrow from Washington D.C..
  • Set up a Price Alert. You can easily track the fare of your cheap Washington D.C.-London Heathrow flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Washington D.C. and London Heathrow? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results. Airlines that fly direct include: Air France
    Iberia
    Lufthansa
    Austrian Airlines
    Air Canada
    Aer Lingus
    Finnair
    British Airways
  • Find the cheapest Business class flights from Washington D.C. and London Heathrow. We scour the internet for the best Business, Premium Economy and First Class flight fares to London, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Flexible on when you travel? The cheapest month to fly from Washington D.C. to London Heathrow is September.
  • Include nearby airports in your search. Widen your search for Washington D.C. to London Heathrow flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Washington D.C. and London Heathrow whenever you want.

Combine your flight to London Heathrow from Washington D.C. with hotels and car hire

Once you've secured your cheap flight ticket from Washington D.C. to London Heathrow, discover the best prices and exclusive rates for hotels in London or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Prices shown on this page are estimated lowest prices only. Found in the last 45 days.