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