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

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

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.

Which airports are most convenient between Washington and London?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Washington: There are 3 airports in Washington - Dulles international, Ronald Reagan, Washington International.
• Airports in London: In London you can fly to/from 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Customize your flight from Washington Dulles to London Heathrow

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about United Kingdom? You might also consider: Edinburgh, Glasgow, London, Manchester, Newquay.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.