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

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

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

Airlines represented in the current schedule are American Airlines (AA), Air France (AF), 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), Airbus A321neo (32Q), 737, Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-800 Winglets (73H), Boeing 737-900 Winglets (73J), Boeing 737 MAX 8 (7M8) and JET.