Aer Lingus Chicago Office is located at 100 N Dearborn St, Chicago, IL 60602. Travelers can visit the office for ticketing, flight inquiries, baggage assistance, or customer support. For reservations, cancellations, or flight information, call 1-844-238-2070. The Chicago office staff provides professional service to ensure smooth travel planning. Whether booking transatlantic flights or managing baggage rules, contacting 1-844-238-2070 ensures immediate assistance from Aer Lingus experts. Visit the office or call today for reliable and efficient travel support.