This is a list of aircraft operators which are licensed by the Hellenic Civil Aviation Authority .
| Airline | Image | ICAO | IATA | Callsign | Commenced operations |
|---|---|---|---|---|---|
| Aegean Airlines |  | AEE | A3 | AEGEAN | 1987 (as Aegean Aviation) 1999 (as Aegean Airlines) |
| Bluebird Airways |  | BBG | BZ | CANDIA BIRD | 2008 |
| Lumiwings |  | LWI | L9 | LUMI | 2018 |
| Olympic Air |  | OAL | OA | OLYMPIC | 2009 (as Olympic Air) 1957 (as Olympic Airways) |
| Sky Express |  | SEH | GQ | AIR CRETE | 2005 |
| Airline | Image | ICAO | IATA | Callsign | Commenced operations |
|---|---|---|---|---|---|
| Air Mediterranean |  | MAR | MV | HELLASMED | 2017 |
| Amjet Executive | AMJ | AMJET EXEC | 2009 | ||
| GainJet Aviation |  | GNJ | HERCULES JET | 2006 | |
| Hellenic Seaplanes | |||||
| Marathon Airlines | MTO | MARATHON | 2019 | ||
| Olympus Airways |  | OLY | OLYAIR | 2014 | |
| Panellenic Airlines | RJB | PANELLENIC | 2021 | ||
| Airline | Image | ICAO | IATA | Callsign | Commenced operations |
|---|---|---|---|---|---|
| Aviator Airways |  | AVW | AVIATOR | 1992 | |
| Epsilon Aviation |  | GRV | EPSILON | 2008 | |
| Swiftair Hellas |  | MDF | SWIFTAIR | 2005 | |
Lists of airlines cover existing and defunct airlines. Complete lists are given in alphabetical sequence by the name of the continent from which they operate. Lists are also given by size, by business model and by other characteristics. There are over 5,000 airlines with ICAO codes. The world's largest airline by fleet size and passengers carried is American Airlines, operating from the United States.