United Airlines BTV Terminal is the airport from which United Airlines operates flights to key hubs and destinations across the globe. Offering comprehensive details on the United Airlines terminal at BTV, this guide makes sure that travelers have a seamless and pleasurable journey from check-in to boarding. Situated in South Burlington, Vermont, Burlington International Airport is a regional airport with a number of facilities and services. The main terminal, where United Airlines is based, is well-equipped to manage both domestic and international flights.