Direct flights available:
172 PER WEEK
Popular non-direct routes for this connection are Heathrow - Copenhagen Airport - Dulles Intl, Heathrow - Keflavik Intl - Dulles Intl and Gatwick - Keflavik Intl - Baltimore.
You can fly from London to Washington DC indirect via Copenhagen Airport, Keflavik Intl or Dublin.
Direct flights available on