Aer Lingus operates at Terminal 5 at O’Hare International airport, and the check-in is located on the Departure level at the terminal. The airline recommends passengers to check-in at the airport thee and half hours before the scheduled departure from O’Hare. There is the Ari Franca lounge beside gate M7 that business class travelers can use.
Aer Lingus has Codeshare flights with - United Airlines, SkyWest Airlines,ExpressJet,Trans States Airlines,GoJet Airlines, and British Airways.
Phone number of Aer Lingus: 1-800-474-7424
Official Website: www.aerlingus.com