- Nuku Airport is the main international airport serving the island of Nuku in the Kingdom of Tonga. It is officially known as Fuaʻamotu International Airport and is located on the southern end of the island, approximately 30 kilometers from the capital city of Nuku'alofa. The airport is the hub for domestic and international flights, offering connections to various destinations in the South Pacific, including New Zealand, Australia, Fiji, and Samoa.