Flights from London Heathrow to Washington Dulles
LHRIAD
London Heathrow Airport (London, United Kingdom) → Washington Dulles International Airport (Dulles, United States)
- Est. nonstop
- ~7h 42m
- Distance
- 5,902 km
- One-way from
- $431
- Airlines
- British Airways, United Airlines, Virgin Atlantic
Fares by month
One-way, per personLowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.
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London Heathrow to Washington Dulles — frequently asked
- How long is the flight from London Heathrow to Washington Dulles?
- LHR–IAD is about 7h 42m nonstop, covering 5,902 km (3,667 mi).
- Which airlines fly nonstop from London Heathrow to Washington Dulles?
- British Airways, United Airlines, Virgin Atlantic operate this route nonstop.
- How much is a flight from London Heathrow to Washington Dulles?
- One-way fares on LHR–IAD recently started from $431. The lowest recent fare is for travel in December 2026. Fares change daily, so check current prices before booking.