Aer Lingus Airlines IAD Terminal +1-855-742-0149 Aer Lingus flies from Terminal 2 at Washington Dulles International Airport (IAD), providing nonstop service between Washington, D.C., and Dublin, Ireland. Known for its warm hospitality and comfortable cabins, the airline ensures easy check-in, smooth boarding, and access to airport amenities. Aer Lingus Airlines IAD Terminal is a popular choice for transatlantic travelers, offering a reliable and pleasant experience for both business and leisure passengers departing from Terminal 2.