Avianca operates from Washington Dulles International Airport (IAD), one of the major international gateways serving the Washington, D.C. metropolitan area. The Avianca Dulles Airport Terminal is located in the main terminal building, where passengers can access convenient check-in counters, self-service kiosks, and customer support. Travelers flying with Avianca from Dulles enjoy modern amenities, dining options, retail shops, and efficient security screening. The terminal also provides access to international departures, baggage services, and comfortable waiting areas. visit us: https://www.airportsterminalsguides.com/avianca-airlines/iad-terminal-dulles-international-airport/