Washington Dulles International Airport (IAD) is the origin airport and Seattle Tacoma International Airport (SEA) is the destination airport.

IAD and SEA are approximately 2,300 miles apart by great-circle distance.

Yes. Roame's current schedule feed shows nonstop service from IAD to SEA.

Airlines represented in the current schedule are American Airlines (AA), Alaska Airlines (AS), Avianca (AV), Finnair (AY), Alitalia (AZ), Copa Airlines (CM), Delta Air Lines (DL), Ethiopian Airlines (ET), Iberia (IB), Japan Airlines (JL), Starlux Airlines (JX), Korean Air (KE), Lufthansa (LH), China Eastern Airlines (MU), Austrian Airlines (OS), Qatar Airways (QR), Brussels Airlines (SN), United Airlines (UA) and Virgin Atlantic (VS).

Aircraft listed in the current schedule include Airbus A220-300 (223), Airbus A320 (320), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-800 Winglets (73H), Boeing 737-900 Winglets (73J), Boeing 757-300 (753), Boeing 737 MAX 8 (7M8) and JET.