Aer Lingus LHR Terminal operates from Terminal 2 at London Heathrow Airport, located at Hounslow, Middlesex, TW6, United Kingdom. The terminal offers check-in counters, baggage services, security screening, restaurants, shopping outlets, and passenger assistance facilities. Travelers can use airport signs to locate check-in areas, departure gates, and other services. Passengers should check their booking confirmation and flight status before traveling, as terminal arrangements may vary for codeshare flights. Arriving early helps allow enough time for check-in, baggage drop, and security procedures.