S$542 Cheap Flights from London to Washington
Popular airlines from Heathrow Airport (LHR) to Washington Dulles Intl. Airport (IAD)
British AirwaysBritish Airways
Austrian AirlinesAustrian Airlines
Aer LingusAer Lingus
LufthansaLufthansa
TAP PortugalTAP Portugal
Swiss International Air LinesSwiss International Air Lines
FinnairFinnair
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Cheap Flights from London to Washington (LHR-IAD)
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Flights from London to Washington
When looking for plane tickets from London to Washington, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Washington. Look for LHR to IAD airfare with the assurance that you have the largest online travel agency working for you.
Expedia lets you search across the largest number of airlines and Washington flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your London Washington flight!
Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your London to Washington trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.
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Frequently Asked Questions
How much is a flight from Heathrow Airport (LHR) to Washington Dulles Intl. Airport (IAD)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey between London Heathrow and Dulles Intl. Airport was S$801. Fares this cheap don't wait forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LHR to Dulles Intl. Airport?
This can differ from airline to airline, as each has its own terms and conditions. Visit the Customer Service Portal, where you'll find easy instructions on how to cancel your flight online.
How do I find cheap flights from London Heathrow to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport to Dulles Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport (LHR) to Dulles Intl. Airport?
With around 5,900 kilometres separating Heathrow Airport and IAD, your flight will be a long one. Pack wisely to make your time on board comfortable. Simple things like warm clothes and some noise-cancelling headphones can make the biggest difference.
Which airlines fly direct from LHR to Dulles Intl. Airport?
United Airlines (UA) is a popular choice. It offers 60 flights between LHR and Washington Dulles Intl. Airport (IAD) each month. You could also have a look at the airfares with British Airways (BA). This airline operates 60 flights every month between Hounslow and Chantilly.
Are London Heathrow to IAD flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so not always. While last-minute deals between LHR and Washington Dulles Intl. Airport (IAD) are of course possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some air carriers publish their prices up to a year ahead of the departure date. Expedia is constantly updating the best bargains around, so check back often and be ready to grab your seat when fare prices drop.
Travel information
Origin airport | Heathrow Airport |
|---|---|
Destination airport | Washington Dulles Intl. Airport |
Distance | 5,901 km away |
Airlines serving | British Airways, Austrian Airlines, Aer Lingus, Lufthansa, TAP Portugal, Swiss International Air Lines, Finnair, Brussels Airlines, Iberia, KLM, Air France, Virgin Atlantic, Air Canada, Icelandair, SAS, Turkish Airlines, Avianca, American Airlines, ITA Airways, Delta, Alaska Airlines, United, Royal Air Maroc |
Popular airline | British Airways |
Return price | S$801 |
Average flight time | 8 hours 24 mins |