In 2017 Norwegian Air Shuttle announced nonstop flights connecting Oakland with Copenhagen on a seasonal basis from March 28, and Oakland with Barcelona from June 7 to operate year-round. Level, a new carrier owned by IAG, responded with their own Barcelona service, started flights initially operated by IAG partner Iberia on June 2, with both airlines providing service to Barcelona El Prat Airport. In the months following, Norwegian announced in May the introduction of nonstop flights between Oakland and Rome Fiumicino started on February 6, 2018, and in July the introduction of nonstop flights between Oakland and Paris Charles de Gaulle began on April 10, 2018.