What Terminal is Avianca Airlines at IAD?” Avianca Airlines operates from Terminal B at Washington Dulles International Airport, offering a convenient and efficient travel experience. Terminal B features modern check-in counters, self-service kiosks, and friendly multilingual staff to assist passengers with reservations and baggage. Travelers can enjoy a variety of amenities, including comfortable lounges, dining options, retail shops, and free Wi-Fi. Efficient baggage handling, streamlined security, and organized boarding areas ensure a smooth journey.
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