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LHR (London) to IAD (Washington) Flights $481.75

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Cheap LHR to IAD Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from London to Washington (LHR to IAD)

Question : Are you paying the cheapest or highest price for your ticket to Dulles?
Answer : Flight prices change a lot more than the majority of routes from the United Kingdom for LHR to IAD. They vary anywhere from $496 to $11,880. However, the sooner you book, the better price you tend to get.

Question : Which airline can you expect delays with on this route?
Answer : If you decide to book your flight with British Airways, keep an eye on your departure time. 47% of flights from London Heathrow Airport (LHR) to Washington Dulles International Airport (IAD) are late.

Question : For LHR to IAD, how many departure times are there on a given day?
Answer : Depending on the day, the number of flight times will change, but on average there are six. You’ll have more options on this route than most others departing the United Kingdom.

Question : If speed is all that matters, how can you get from LHR to IAD as quickly as possible?
Answer : The quickest direct flight is eight hours and 25 minutes via British Airways. If you catch the 11:15 AM BST departure, you'll arrive at 2:40 PM EDT (remember, there is a time change of five hours).

Question : Do travelers from London typically stay in Dulles for very long?
Answer : Travelers from LHR to IAD stay 26 days on average.

Question : What day in the next four weeks has the best fares?
Answer : As of Sep 18th, the cheapest day to fly from London to Dulles is Sep 25th. Tickets are currently being sold for $508, which is 59% below the average price for this route.

Question : How does London to Dulles stack up against the rest of the world in overall promptness?
Answer : LHR to IAD currently scores 2 out of a possible 5 stars in promptness. This score combines both the number of delayed flights and total delay minutes. With 2 stars, you should feel rather worried about getting to Dulles on time.