London to Washington
Discover amazing deals and exclusive fares for flights from London to Washington Dulles Intl
Route Details
About This Route
Explore Washington, D.C. – Fly Cheap with Silk Travels
The political heart of the United States, Washington, D.C. is a must-visit destination for history buffs, students, families, and business travellers. Walk the National Mall, tour world-famous museums, visit the White House, or enjoy the trendy Georgetown vibe.
At Silk Travels, we make it easy for UK travellers to experience the capital. We offer cheap flights to Washington, D.C., departing from London, Gatwick, and Birmingham, all with flexible booking and real-time deals.
Whether you're planning ahead or looking for a last-minute getaway, we’ll help you find the cheapest flights to Washington, D.C.—with no hidden fees, ever.
Additional Information
London to Washington Flights – Affordable, Fast & Flexible
Fly into Washington Dulles International Airport (IAD) from Heathrow, Gatwick, or Birmingham. Direct flights from London average around 8 hours and are available with major airlines like British Airways, United, and Virgin Atlantic.
Looking for a deal? Silk Travels specializes in cheap London to Washington flights, plus one-stop budget flights to Washington, D.C. from Birmingham or Gatwick—great for travellers who want to save without sacrificing comfort.
Our booking system finds:
- Cheap economy flights to Washington, D.C.
- Multi-airline combos for maximum value
- Real-time availability with fare alerts
- 24/7 agent support via WhatsApp and phone
Travel Tips
Pick Smart
We’ll help you find cheap economy flights that still include meals, baggage, and flexible options—without hidden extras.
Fly Midweek
Departing on Tuesday or Wednesday helps you secure budget flights to Washington, D.C. at better rates with more seat availability.
Lower Fares
Cheap flights to Washington from Gatwick often include quick stopovers and lower fares than Heathrow. We’ll help you compare in seconds.
Book in Advance
For the cheapest flights to Washington, D.C., aim to book 1.5 to 2 months early—especially if you're flying during peak travel periods.