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

Flight FAQs

From Washington Dulles Intl to Heathrow

Are flight prices decreasing from Washington Dulles Intl to Heathrow due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington Dulles Intl and Heathrow for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Washington Dulles Intl to London Heathrow to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Washington Dulles Intl to London Heathrow include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Washington Dulles Intl to London Heathrow have flexible cancellations due to COVID-19?

United Airlines, British Airways, and Virgin Atlantic are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Washington Dulles Intl to Heathrow for under $500 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl to Heathrow for under $500. The cheapest flight booked recently is on Multiple Airlines for just $409, but on average you can expect to pay $428.

Are there nonstop flights from Washington Dulles Intl to Heathrow for under $600 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington Dulles Intl to Heathrow under $600. A good price for a nonstop flight from Washington Dulles Intl to Heathrow is less than $618.

Are there last-minute flights available from Washington Dulles Intl to Heathrow for under $500?

There are currently 20+ open flights from Washington Dulles Intl to Heathrow within the next 7 days for less than $500.

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.

How long is the flight from Washington Dulles Intl to Heathrow?

There are many flights that can get you from Washington Dulles Intl to Heathrow in 10h 10m. Fly via Icelandair or TAP AIR PORTUGAL to get the fastest option. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Washington Dulles Intl to Heathrow round-trip?

According to our current data, Icelandair ($417), and TAP AIR PORTUGAL ($423) offers the cheapest pricing from Washington Dulles Intl to Heathrow. These flights start at 41% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Washington Dulles Intl to Heathrow one-way?

The cheapest airlines for a one-way flight from Washington Dulles Intl to Heathrow are TAP AIR PORTUGAL ($155), Virgin Atlantic ($213), and Air Canada ($218).