Kefalonia Airport (LGKF, ELF) is a small to medium-sized airport located on the island of Kefalonia, Greece. The island is a popular holiday airport that receives a variety of seasonal and year-round traffic from all over Europe, served by airlines such as TUI, easyJet, Lufthansa, and Aegean Airlines.Kefalonia Airport (LGKF, ELF) is a small to medium-sized airport located on the island of Kefalonia, Greece. The island is a popular holiday airport that receives a variety of seasonal and year-round traffic from all over Europe, served by airlines such as TUI, easyJet, Lufthansa, and Aegean Airlines.