Direct flights available:
119 PER WEEK
Popular non-direct routes for this connection are Seattle Tacoma - O'Hare Intl - R Reagan Nat, Seattle Tacoma - Saint Paul Intl - R Reagan Nat and Seattle Tacoma - Lambert - R Reagan Nat.
You can fly from Seattle Tacoma to Washington DC indirect via O'Hare Intl, Saint Paul Intl or Lambert.
Direct flights available on