Flights from London to Washington, D.C.
Discover amazing deals and exclusive fares for flights from London to Washington Dulles Intl
Route Details
About This Route
Unbeatable Washington, D.C. Flight Deals – Only at Silk Travels
Looking for a U.S. getaway with iconic history, cultural hotspots, and unbeatable airfare? With Silk Travels, you’ll find the best flight deals to Washington, D.C., with real-time savings from all major UK airports.
Explore national landmarks, world-class museums, and lively neighborhoods like Georgetown and Dupont Circle. Whether you're flying for business, education, or leisure, we bring you cheap flights to Washington, D.C. from the UK with transparent pricing, flexible options, and 24/7 support.
Additional Information
Book Return Flights, Last-Minute Deals & More
Need a quick trip to the capital? Planning ahead for summer? Either way, we’ve got you covered with:
- Cheap return flights to Washington, D.C.
- Last-minute flights with flexible terms
- Deals on flights to Washington from Heathrow, Gatwick & Birmingham
With direct flights from London Heathrow or one-stop connections from Manchester, Birmingham, or Gatwick, we’ll help you book your flight to Washington, D.C. affordably—without sacrificing comfort.
Silk Travels partners with top airlines like British Airways, Virgin Atlantic, United, Lufthansa, and more to find the best-value routes every time.
Travel Tips
Flexible Dates
A one-day change can mean up to £100 in savings. Let our team help you flex your way into a better deal.
Fly Midweek
Flying Tuesday or Wednesday helps you lock in UK to Washington flight deals with more seat availability and better pricing.
Hidden Offers
Some flight offers to Washington don’t appear online. Reach out for agent-only fares and tailored route combinations.
Bigger Savings
Booking a round-trip often brings the cheapest return flights to Washington, D.C.—we’ll help you compare and bundle for max savings.