What’s the cost of a flight from London Heathrow to Washington Dulles?

Prices vary based on date, airline, and availability. Compare several options if you're flying between London and Washington.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Exploring all airports near London and Washington

Checking all the airports available in the area can give you more departure and arrival options for your trip.

• Airports in London: 6 different airports operate in London - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
• Airports in Washington: Washington is served by 3 airports - Dulles international, Ronald Reagan, Washington International.

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

Adjust your flight filters for London Heathrow – Washington Dulles

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from agencies like Expedia, eDreams, and more.

Other popular destinations

Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.