Irish Airlines; Ryanair is one of the most known airlines in the world. Ryanair is from Ireland. Ryanair carries irish flag. Ryanair is an Irish low-cost airline. Aer Lingus is another airline in Ireland. Aer Lingus is the national flag carrier of Ireland. Aer Lingus is Ireland's oldest and current airline. Aer Lingus is ranked as one of the safest airlines in the world. Stobart Flybee was a regional airline based in Dublin, Ireland. CityJet was an important regional airline from Ireland. Stobart air ceased operations in june 2021. Recently Emerald Airlines is the operator of the Aer Lingus Regional. Aer Lingus Regional is a sister company of Aer Lingus. Aer Lingus Regional operates scheduled regional flights. United Kingdom, France, and the Channel Islands are the important destinations of Aer Lingus Regional. Aer Lingus Regional has ATR 72-600 Aircrafts. Aer Lingus Regional's flight operated by Emerald Airlines. CityJet ceased operations in 2018, but continues to operate several routes on behalf of Scandinavian Airlines.