1. How early should I arrive at the airport?
Aer Lingus recommends arrival at the airport 3 hours 30 Mins before departure for long-haul routes, and 2 hours 30 Mins before departure for short-haul routes. Check-in for all flights closes 45 minutes prior to departure.
2. Is there online check-in available for Aer Lingus?
Aer Lingus offers online check-in for most of its flights, its system allowing you to check-in up to 30 hours before departure (24 hours for flights to/from the USA).