Direct flights available:
110 PER WEEK
Popular non-direct routes for this connection are Seattle Tacoma - O'Hare Intl - R Reagan Nat, Seattle Tacoma - Midway - Dulles Intl - Dulles Intl and Seattle Tacoma - Lambert - R Reagan Nat.
Stop-off cities for indirect flights from Seattle Tacoma to Washington DC include O'Hare Intl, Midway and Lambert.
Direct flights available on