The national flag carrier of Greece Olympic Air with headquarters in Athens, serves 36 cities in Greece and 37 international destinations in 28 countries in Europe and Africa, North America and the Middle East. Part of the airline flights are done with partners of the company, including Cyprus Airways, Czech Airlines, British Airways, Egyptair, Delta Airlines, TAP Air Portugal, SAS Scandinavian Airlines, United Airlines, and others. The airline fleet consists of 41 airplanes of the type Airbus, ATR, and Boeing.

According to the requirements of the airline Olympic Air, passengers are entitled to take one piece of hand luggage up to 8 kg and measures 115 cm on the domestic flights. The Economy Class passengers are entitled to 15 kg of registered luggage, and the Business Class passengers are entitled of 20 kg of registered luggage. On the international flights the limit for the registered baggage is 20 kg for the Economy Class passengers (23 kg on flights to London and Paris) and 30 kg of registered luggage for passengers in the Business Class. Accordingly, on the overseas flights the limit is 2 pieces of luggage up to 23 kg for the Economy Class passengers and 2 pieces of luggage up to 32 kg for the Business Class passengers.

Among the services offered by Olympic Air airline are online check-in in the period 24 hours - 90 minutes before the flight, electronic ticket, an opportunity to bring onboard dogs, cats and birds up to 5 kg in special cells. In addition, the airline offers loyalty program including collection of miles and a variety of privileges.