Union Island Airport is the airport serving Union Island, Grenadines Parish, Saint Vincent and the Grenadines. It is located about 0.25 miles (0.40 km) from the town of Clifton, one of the country's main tourist centers and a major destination for charter leisure flights during the winter holiday season and Easter, for "Easterval" celebration. The airport serves as a focus city for flag carrier SVG Air and features flights to several short-haul regional destinations. It is the southmost airport of St. Vincent and the Grenadines.

Union Island is part of the nation of Saint Vincent and the Grenadines. It has a surface of 9 square kilometres (3.5 sq mi) and lies about 200 km west-southwest of Barbados within view of the islands of Carriacou and the mainland of Grenada, which lies directly south.