Dulles International Airport (IAD)
1 Saarinen Circle, Sterling, VA 20166 Driving DirectionsWashington Dulles International Airport (IAD), gateway to Washington D.C. and northern Virginia, is located 23 miles from downtown Washington, D.C. in Fairfax County, Virginia. Allegiant flies from the main terminal at IAD which offers a host of familiar options for shopping and dining both pre and post-security. Parking at IAD is a breeze with options ranging from valet to long term to economy. Parking can even be reserved in advance at https://reserve.flydulles.com. In addition, mass transit on the Silver Line Metrorail provides frequent service between IAD and Northern Virginia and Washington DC, with a maximum one way fare of $7.