Tallinn Airport or Lennart Meri Tallinn Airport is the largest airport in Estonia, which serves as the secondary hub for AirBaltic and the cargo airline Airest. It was also the home base of the now defunct national airline Estonian Air. Tallinn Airport is open to both domestic and international flights. It is located 2.7 nautical miles southeast of the centre of Tallinn on the eastern shore of Lake Ülemiste. It was formerly known as Ülemiste Airport.