Dulles is an international airport located 41.6 kilometer from the main Washington. It was made to serve the greater part of Washington D.C and other surrounding area of that region. The airlines that have scheduled flight from Dulles are mostly referred to as dulles airlines. This airport serves to almost all the major airports of the world especially to countries which are in business collaboration with America. It also serves most of the major airports within America also. The flights that come from other states of America and also from countries which are having their border with America are taken directly where as international airlines are served from ‘International Arrival Building'.

The pack of dulles airlines serve almost whole of Europe and most of the major airports of Asia. The ‘Aer Lingus' is an airline which serves the destination Madrid in Spain and one can catch this flight from the terminal D of the Dulles airport. In the same way ‘Aeroflot' has its destination in Moscow and it takes off from the terminal A. Some of the National carriers of different countries like ‘Air France' have a direct flight from this airport to Paris and it takes off from the terminal A. in the same way ‘Air India' has a direct flight from Dulles to Delhi and then to Kolkata.

Beside the above mentioned international airlines that fly from Dulles airport. This airport also serves the domestic need of the passengers too like ‘American Airlines' has flights to Dallas, Los Angeles, Miami and San Juan and all the flight take off from the terminal B of this Airport. In the same way ‘Delta Airlines' has flights to Salt Lake City and Atlanta from the same terminal. It also has flights to New York and Detroit. Overall the domestic group of dulles airlines has flights to almost all the major domestic airports of America.

The Dulles Airport remains busy for most of the time of the year and almost all its terminals have international airlines to every corner of the world. It also has Airlines to some of the South Asian countries like Japan and Singapore. This is not the main airport of Washington but still when there is too much of congestion internationally it serves as one of the best alternative to the Capital.