United Airlines is based out of Seattle-Tacoma International Airport's South Satellite Terminal (SEA). Traveler-focused meal options, charging stations, and cozy seats are among the contemporary conveniences available at this United Airlines SEA Terminal .A United Club lounge is available to passengers, offering a more tranquil setting along with free refreshments, snacks, and Wi-Fi for qualified members. The terminal's well-designed layout also makes it simple to connect to other aircraft. United passengers find it easy to navigate the airport thanks to SEA's shuttle system, which allows travelers to make speedy transfers.