Direct flights available:
35 PER WEEK
Popular non-direct routes for this connection are Portland Intl - G.Bush Intercont - Baltimore, Portland Intl - Saint Paul Intl - R Reagan Nat and Portland Intl - O'Hare Intl - Baltimore.
You can fly from Portland Intl to Washington DC indirect via G.Bush Intercont, Saint Paul Intl or O'Hare Intl.
Direct flights available on