Cheap flights from Washington Dulles Intl (IAD) to Heathrow (LHR)

Flight FAQs

From Washington Dulles Intl to Heathrow

What percent of flights are delayed?

Based on our current data flights from Washington Dulles Intl to Heathrow are usually delayed by up to 39min. or more.

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

On average, there are a total of 2,157 seats offered from Washington Dulles Intl to London Heathrow per day.

What is the cheapest airline for this route?

While looking for the best option consider United Air Lines Inc., our data currently shows that they have the cheapest flight available for the flight path. When traveling from Washington Dulles Intl to Heathrow, generally 78 flights depart for this route daily.

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

You can expect a flight time of up to 8 hours for nonstop. Airlines will travel a distance of up to 2,291 miles.

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

Travelers can expect 39 flights from Washington Dulles Intl to London Heathrow on average per day.
Morning (6am - Noon) - 13% of flight departures
Afternoon (Noon - 6pm) - 13% of flight departures
Evening (6pm - Midnight) - 74% of flight departures

Does it rain more in Washington Dulles Intl or Heathrow?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Washington Dulles Intl is typically greater than that of Heathrow. We can gather that this will continue over the next 14 days.

Is Washington Dulles Intl weather warmer or cooler than Heathrow?

Temperatures around the 88 °F's can be experienced in July. The weather in Heathrow is colder than in Washington Dulles Intl. Plan for potential changes in flight availability as peak weather approaches in this location.