IAD to SEA
Great-circle distance and true bearings between Washington Dulles International Airport and Seattle–Tacoma International Airport, plus the airlines and aircraft that fly the route.
IAD
Washington Dulles International Airport
🇺🇸 Dulles, US
SEA
Seattle–Tacoma International Airport
🇺🇸 Seattle, US
Great-circle distance
1,999 nm
2,300 mi · 3,702 km
Initial bearing IAD→SEA
300° WNW
Initial bearing SEA→IAD
088° E
Airlines flying this route
Aircraft on this route
Airbus A320Boeing 737-800Boeing 737-900Boeing 757-200
Historical route data from OpenFlights — may be out of date. Distances are great-circle; actual routings differ.