Getting here, getting around, and maps.
Portland's airport is the Portland International Airport (PDX).
Non-stop from Europe is available from Amsterdam via Delta Airlines. Some non-stop flights from other US cities include:
NYC/Kennedy (JFK) – Delta; jetBlue
NYC/Newark (EWR) – United
Wash/Dulles (IAD) – United
Arlington – Wash. Nat. (DCA) – Alaska Airlines