What Terminal is United at Newark Airport:- Newark Liberty International Airport (EWR) has three terminals: Terminal A, Terminal B, and Terminal C. United Airlines operates primarily out of Terminal C at EWR.Terminal C at Newark airport serves United Airlines and its Star Alliance partners, including Air Canada, ANA, Austrian Airlines, Lufthansa, and Swiss International Air Lines. The terminal has three concourses: C1, C2, and C3. Terminal C has a variety of amenities for travellers, including restaurants, cafes, bars, and shops. There are also currency exchange booths, ATMs, and charging stations for electronic devices. Free Wi-Fi is available throughout the terminal, and there are also workstations and lounges for business travellers.