Heathrow Airport Guide: What Terminal Does Delta Use at Heathrow If you are wondering **[what terminal does Delta use at Heathrow](https://airlinesairportterminals.com/delta-airlines/delta-airlines-lhr-terminal-heathrow-airport/)**, the airline primarily operates out of London Heathrow Terminal 3, which is one of the main terminals handling international flights. Delta’s operations at Terminal 3 make travel convenient for passengers, as this terminal is well-connected and offers easy access to services, lounges, shopping, and dining. Since Delta partners closely with Virgin Atlantic, both airlines are located in Terminal 3, which helps travelers with smooth connections and coordinated services. Passengers flying with Delta from Heathrow can expect streamlined check-in, security, and boarding procedures in this terminal, making their journey more efficient. For travelers planning their trip, knowing what terminal does Delta use at Heathrow is essential to avoid confusion and ensure timely arrival at the right check-in area.