The contributors of Flight-Report published 10 reviews on 2 airlines on the route London - Heathrow (LHR) → Washington - Washington Dulles (IAD). The airline with the best average rating is British Airways with 7.3/10. The average flight time is 8 hours and 18 minutes.
Airlines on this route are:
Frequent travelers recommend "British Airways Galleries Club" at LHR for services and comfort.
Access from the airport of (LHR) is rated as average; plan your trip in advance.
Washington has 1 other airport with flights arriving from London : Washington - Baltimore/Washington Intl Thurgood Marshall (BWI)