Direct flights available:
141 PER WEEK
Popular non-direct routes for this connection are Dulles Intl - P Trudeau Intl - Heathrow, Baltimore - Keflavik Intl - Gatwick and Dulles Intl - Keflavik Intl - Gatwick.
Stop-off cities for indirect flights from Washington DC to London include P Trudeau Intl, Keflavik Intl and Copenhagen Airport.
Direct flights available on