Another important Greek airline is Olympic Air, operating initially under the name Olympic Airways since 1957 until the beginning of the 21st century when it ceased operations. It then reopened under the name Olympic Air. In October 2012, Aegean Airlines had struck a deal to acquire Olympic Air, and the buyout was approved by the European Commission in October 2013. Both carriers will continue to operate under separate brands. Olympic Air has codeshare agreements with Aegean Airlines, Bulgaria Air, Delta, Etihad, KLM and Tarom. It operates international flights to cities in Albania, Bulgaria, Romania, Serbia and Turkey.
Numerous airlines of other countries operate to and from airports within Greece. Some of these airlines are Lufthansa, British Airways, Air France, KLM, United Airlines, Delta, Cyprus Airways, Norwegian, SAS, Iberia, Turkish Airlines and Austrian Airlines. Many low cost airlines also operate flights to airports in Greece. Ryanair is an airline flying to Chania, Corfu, Kalamata, Kefalonia, Kos, Patra, Rhodes, Thessaloniki, Volos and Zakynthos. Thomson also operates charter flights during summer, to Greek destinations like Kavala, Thessaloniki, Corfu, Skiathos, Preveza, Kefalonia, Zakynthos, Samos, Mykonos, Santorini, Kos, Chania, Heraklion and Rhodes. Germanwings flies to Kavala, Thessaloniki, Corfu, Athens, Mykonos, Santorini, Crete, Kos, and Rhodes.