We've gathered all the available flights from London Heathrow to Washington DC on your chosen dates. We've already searched 34,378 flights worldwide today, to make it easy for you to compare your options. Generally, the most popular airlines are United Airlines, Finnair & British Airways. United Airlines is the most popular, but that doesn’t mean they're the best choice for your travel dates.
Normally, Washington DC Washington Dulles International Airport is the cheapest airport to fly into Washington DC. This isn’t necessarily the case for your chosen dates, but it’s worth bearing in mind. There are 3,374 flights every week to Washington DC, and the flight from London Heathrow normally takes about 11 hrs 30 mins.
Washington DC has two airports, so you have more than one option. It could also be worth changing London Heathrow to include other airports, to see more flights and, possibly, better prices. At the moment, the cheapest flight is £275. The most expensive flights tend to be during June, as demand is high at this time of year.
As well as helping you out with flights, Netflights can find you great prices on accommodation and car hire too. If you’re travelling to USA in December, you'll find that both flights and hotels will be cheaper, as it's low season.