Direct flights available:
750 PER WEEK
Popular non-direct routes for this connection are O'Hare Intl - Nth Kentucky - Dulles Intl, O'Hare Intl - La Guardia - R Reagan Nat and O'Hare Intl - Nth Kentucky - Baltimore.
You can fly from Chicago to Washington DC indirect via Nth Kentucky, La Guardia or John F Kennedy.
Direct flights available on