Washington Dulles International to London Heathrow Flights

If it is your first time travelling to London Heathrow then check out the airliners KLM, Delta Air Lines, Singapore Airlines, Air France, Virgin Atlantic, Swiss, Lufthansa, Copa Airlines, Austrian Airlines, Air Canada, Iberia, Finnair, American Airlines, Aer Lingus, United Airlines and British Airways. These airliners all offer direct flights that depart from Washington Dulles International, so you will find flying to London Heathrow is quite easy. The flight time is approximately 7 Hours 45 Minutes.

The exact cost of the flight we vary quite significantly base on the dates you travel, the time of day you will depart and how long in advance you pre book the flights. The cheapest flights available will generally be mid week or late in the evening, so if you are on a budget then these are the flight times you should consider. Alternatively, you could book well in advance and you flight could be up to 50% cheaper, especially with budget airliners. The ticket prices for most airliners will increase the close you get the departure date, so as soon as you know the date you will travel you should book your flights.

When arriving at London Heathrow don’t forget to set your watch to the local time!

For a full summary of all the airliners that fly from Washington Dulles International to London Heathrow, please see the table below.

United Airlines offer the highest number of flights for this route with departures times between 18:25 and 22:30.

You can find the latest flight availability and prices from United Airlines at united.com. You can also book direct and get their latest discounts.

Flight times for United Airlines are summarised in the table below. These time were correct at the time of writing, but please be aware that times may vary from time to time so please check their website for exact times and the dates you wish to fly.

Please remember to leave plenty of time to get though customers when you are departing form the airports. Flights regulations are getting very strict these days so getting through customs can take in excess of 1 hour in some cases.