Whilst technically a environment airport, most ofBWI’s routesare domestic. Only 8 globally destinations are serviced by nonstop flights. Place, you’ll discover essentially quite possibly the most solutions flying to/from IAD — notably with United, given that IAD is taken into account one particular in their hubs. IAD has the biggest number of flight possibilities in the a few DC airports with nonstop flights to fifty 7 throughout the world places and eighty one particular domestic. Domestic routes in many cases are a little bit less costly outside of IAD than DCA. Washington Dulles International Airport is situated 26 miles from Washington in Dulles, Virginia.