- Iberia Airlines IAD Terminal refers to the area designated for Iberia Airlines flights at Washington Dulles International Airport (IAD). As the primary hub for Iberia Airlines' operations in Washington, D.C., this terminal offers passengers a seamless travel experience, including check-in counters, security checkpoints, boarding gates, and amenities tailored to enhance comfort and convenience. Travelers can expect efficient service, modern facilities, and easy navigation within the Iberia Airlines terminal at Washington Dulles International Airport.