| name | Hub | image | date Ceased operations | date Commenced operations | IATA Code | ICAO Code | city Headquarters | administrative division Headquarters | country Headquarters | continent Headquarters | Country | continent | Parent | number of aircrafts | number of destinations | Website |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aer Lingus | Dublin Airport |  | 27/05/1936 | EI | EIN | Dublin | Dublin | Ireland | Europe | Ireland | Europe | International Airlines Group | 47 | 77 | Website | |
| Stobart Air |  | 19/03/2014 | RE | STK | Dublin | Dublin | Ireland | Europe | Ireland | Europe | Stobart Group | 17 | 26 | Website | ||
| TransAer International Airlines | 20/10/2000 | 02/1992 | T8 | TLA | Dublin | Dublin | Ireland | Europe | Ireland | Europe | 2(x)ist | Website | ||||
| Aer Arann |  | 19/03/2014 | 1970 | RE | REA | Dublin | Dublin | Ireland | Europe | Ireland | Europe | 16 | 26 | Website | ||
| Aer Lingus Regional | | 28/03/2010 | EI | STK | Dublin | Dublin | Ireland | Europe | Ireland | Europe | Aer lingus | 18 | Website |