Lisbon, Portugal is not home to a specific Delta Airlines office. Travelers can nevertheless use Delta's services by flying with its partner airline, TAP Air Portugal, Delta Airlines Lisbon Office which provides smooth connections and assistance for Delta customers. Customers can reach out to Delta customer support by visiting their official website or contacting the local offices of TAP Air Portugal with questions. In addition, Delta offers support through its customer service hotline, which is operational 24/7, guaranteeing that travelers may swiftly attend to their demands. To improve your trip, it's a good idea to inquire about any updates or particular services offered by TAP before departing Lisbon.