British Airways Terminal Heathrow is primarily Terminal 5, the main hub for British Airways flights at Heathrow Airport. This modern terminal offers quick check-in, fast security, and premium lounges for a seamless travel experience. Some British Airways flights also operate from Terminal 3, mainly for select international destinations and partner airline connections. Heathrow Airport provides excellent shopping, dining, and relaxation options for travelers. Terminal 5 ensures efficient boarding with self-service kiosks and exclusive lounges. Always check your flight details on your ticket or the Heathrow website to confirm your correct departure or arrival terminal before traveling.