Norwegian Air International was an Irish airline and fully integrated subsidiary of Norwegian Air Shuttle, using its corporate identity. It operated flights to destinations in Europe and the Middle East from various European bases, and was headquartered at Dublin Airport. Between 2017 and 2019, it also offered services from Europe to the United States and Canada. In the years following, its aircraft were gradually transferred to Swedish sister airline Norwegian Air Sweden and its parent company, until the last of its aircraft were transferred by April 2021, with its operations also taken over by the Swedish airline.
SOURCE: Wikipedia