How many passenger seats are available on a flight on this route?

On average, all flights from Washington Dulles Intl offer a total of 2,157 seats to London per day

What is the cheapest airline for this route?

The cheapest airline for this route is United Air Lines Inc. on average. United Air Lines Inc. operates 78 flight per week

Cheap Flights from Washington Dulles Intl (IAD) to London, England from $481 - IAD to LON Tickets & Airfare Deals at Cheapflights.com

It’s likely that during this time there will be 2 inches less rain in London than in Washington Dulles Intl .

The weather in London is likely to be 73°F for the next ten days.

The days of the week where direct flights between Washington Dulles Intl and London are currently available are Sun, Mon, Tue, Wed, Thu, Fri and Sat

Which airlines fly from Washington Dulles Intl to London?

At present 15 airlines are currently servicing direct flights to London from Washington Dulles Intl , including American Airlines, KLM, Air Canada.

There have been 660 users looking for flights to London from Washington Dulles Intl in the past thirty days.

How many flights depart from Washington Dulles Intl to London on average per day?

Travelers can expect 31 flights from Washington Dulles Intl to London on average per day.
Morning (6am - Noon) - 16% of flight departures
Evening (6pm - Midnight) - 84% of flight departures

How long does the flight from Washington Dulles Intl to London take?

A nonstop flight takes up to 8 hours, covering a distance of 2,281 miles.

Choose up to 4 destination airports

Location

Airports within

Airport

Drive

Transit

Miles

Pop.

Enter a location to see nearby airports

Choose up to 4 airports

Enter a location to see nearby airports

Price	$559 - $1048
Temperature	48 - 73 °F
Rainfall	1 - 3 inches

Most popular in	June	High demand for flights, 27% potential price rise
Cheapest in	February	Best time to find cheap flights, 5% potential price drop
Average price	$721	Price for this month
Cheapest price	$559	From Washington Dulles Intl to London

Cheap flights from Washington Dulles Intl (IAD) to London (LON)

Know your dates, get live prices in seconds:

The best prices from Washington Dulles Intl to London are usually found in February or March, booked 43 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flights from Washington Dulles Intl to London in August 2019

Washington Dulles Intl to London 2019 flight deals

Last minute flights from Washington Dulles Intl to London

Destination information for London

Airports servicing Washington

Airports servicing London

Popular flight searches

Find Flight Deals