$330 Find Cheap Flights from United Kingdom to Washington Dulles Airport - Compare and Save

In the last 5 days, the cheapest flight deal to Washington Dulles Airport was found on the route from Glasgow, at $521 return. The most popular connection is from London to Washington Dulles Airport and KAYAK users have found round-trip deals for as low as $583 in the last 5 days.

Based on KAYAK data, the cheapest day to fly to Washington, D.C. is Wednesday where round-trip tickets can be as cheap as $745. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $927 on average.

The cheapest month for flights to Washington, D.C. Dulles Intl Airport is September, where tickets cost $670 on average for return flights. On the other hand, the most expensive months are December and August, where the average cost of tickets from the United Kingdom is $813 and $813 respectively. For one-way flights, the best month to travel is October with an average price of $700.

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is generally in the morning, when round-trip flights cost $789 on average. The most expensive time of day to fly to Washington, D.C. Dulles Intl Airport is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $805.

If you’re looking for cheap airfare to Washington, D.C. Dulles Intl Airport, 25% of our users found tickets to Washington, D.C. Dulles Intl Airport for the following prices or less: From London Heathrow Airport $701 round-trip, from Edinburgh $747 round-trip.

To get a below average price, you should book around 5 weeks before departure, which saves you about 30% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

The most popular airline among KAYAK users flying to Washington, D.C. Dulles Intl Airport is Aer Lingus, followed by British Airways and Lufthansa.

Of the 3 airlines that fly to Washington, D.C. Dulles Intl Airport, United Airlines offers the most flights, with around 21 per week, followed by British Airways with 21 flights per week.

The duration of your flight to Washington, D.C. depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to Washington, D.C. on KAYAK are from Edinburgh, which takes 8h 05m, London, which takes 9h 47m, Manchester, which takes 11h 15m, and Birmingham, which takes 11h 50m.

There are around 861 direct flights from within United Kingdom to Washington, D.C. Dulles Intl Airport every day. Most flights depart in the morning, with 48% of flights departing in the morning.

Each week there are around 6,026 direct flights from within United Kingdom to Washington, D.C. Dulles Intl Airport. The most common day for departures is Sunday, with 16% of flights taking off on this day.

There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Washington, D.C. Dulles Intl Airport. Instead, there are 269 long-haul flights (6-12 hour flight duration), with the most arriving from London.