Most of the best business class airlines fly to Washington Washington Dulles International Airport (IAD). One of the best Indian airports in Asia, Washington Dulles International Airport (IAD) has world-class facilities for business class travelers from across the globe. There are several business lounges and VIP lounges in Washington Washington Dulles International Airport?s domestic and international terminals. The Washington Dulles International Airport lounges offer best-in-class services for conference, meeting, refreshment and relaxation. Regular and transit hotels in the airport complex for international travelers to Washington comprise swimming pools, gym, spa, conference rooms and restaurants. A shuttle bus service links the hotels to the terminals of IAD Airport. Those flying with cheap airline tickets for business class flights to Washington get the best service at Washington Dulles International Airport.