What Terminal is Gulf Air at LHR? Gulf Air operates from Terminal 4 at Heathrow Airport. This terminal is well-equipped to handle international flights with ease, offering a seamless travel experience for Gulf Air passengers. Terminal 4 features modern check-in counters, quick security clearance, and a variety of premium facilities including lounges, shopping outlets, and diverse dining options. Whether you're flying for business or leisure, Gulf Air passengers at LHR Terminal benefit from efficient services and comfortable amenities. The terminal also provides assistance for special needs, family-friendly services, and easy access to transportation links.