British Airways operates from Terminal S at Seattle-Tacoma International Airport. Accessible via the airport’s underground train, The British Airways SEA Terminal offers various amenities, including dining, shopping, and comfortable seating areas. Premium passengers can access the British Airways Lounge, featuring complimentary refreshments and Wi-Fi. The terminal ensures efficient check-in, security, and boarding for international departures. Upon arrival, passengers proceed through customs and baggage claim with ease. With direct flights to London Heathrow, British Airways at SEA Terminal delivers a smooth, convenient, and comfortable travel experience for both departing and arriving international travelers.