| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Icelandair | Keflavík International Airport |  | 1937 | FI | ICE | Reykjavík | Capital Region | Iceland | Europe | Iceland | Europe | Icelandair Group | 30 | 39 | Website | |
| Air Atlanta Icelandic | Keflavík International Airport |  | 1986 | CC | ABD | Kópavogur | Capital Region | Iceland | Europe | Iceland | Europe | 6 | Website | |||
| WOW air | Keflavík International Airport |  | 28/03/2019 | 31/05/2012 | WW | WOW | Reykjavík | Capital Region | Iceland | Europe | Iceland | Europe | 8 | 20 | Website | |
| Bluebird Nordic | Keflavík International Airport |  | 2000 | BO | BBD | Reykjavík | Capital Region | Iceland | Europe | Iceland | Europe | Icelandair Group | 6 | 2 | Website | |
| Islandsflug | Keflavík International Airport |  | 2004 | 1991 | HH | ICB | Keflavík | Southern Peninsula | Iceland | Europe | Iceland | Europe | 25 | Website |