If you're wondering, "What Terminal Does Delta use at LHR," Delta Airlines operates all its flights from Terminal 3 at London Heathrow Airport. This terminal offers modern amenities, including dedicated check-in areas, comfortable lounges, and a variety of dining and shopping options to enhance your journey. With its strategic location and excellent facilities, Terminal 3 ensures a seamless experience for Delta travelers. Choose Terminal 3 at LHR for a comfortable and convenient Delta Airlines flight.