Located in the center of downtown Washington, D.C., at 1100 New York Ave NW, Suite 500, is the Avianca Washington DC office. With a variety of services like flight bookings, reservations management, ticket refunds, and general customer support, it acts as a handy point of contact for tourists in the area. Avianca Washington DC Office  The office offers assistance with both domestic and international travel and is open Monday through Friday from 9:00 AM to 5:00 PM. Whether you want to make travel arrangements, find out about luggage regulations, or fix any problems,