Aer Lingus Check-In | Online, Mobile App & Airport Counter Guide 2025
Aer Lingus Check-in Guide
Completing check-in early simplifies your terminal experience and helps avoid unnecessary delays. Passengers can choose between convenient digital channels or standard airport service counters.
Online Check-in Opening Times
Online check-in opens:
- European Flights: 48 hours prior to scheduled departure.
- Transatlantic Flights: 24 hours prior to scheduled departure.
Accessing the digital portal allows you to confirm seat selections, update passport information, and generate digital boarding passes. Alternatively, the official mobile application lets you save digital passes straight to your smartphone wallet.
Airport Check-in & Self-Service Kiosks
Airport check-in desks and self-service kiosks are available at departure terminals. Self-service kiosks enable quick boarding pass printing and baggage tag generation.
Recommended Arrival Times
- Domestic & European Flights: Arrive at the airport at least 2 hours prior to scheduled departure.
- Transatlantic Flights: Arrive at least 3 hours before departure to clear security and complete US Preclearance checks in Dublin or Shannon.
Quick Checklist
- ✓ Verify passport validity (minimum 6 months) and required entry visas or ESTA before heading to the airport.
- ✓ Complete online check-in early to secure your preferred seat.
- ✓ Download digital boarding passes or print physical copies in advance.
Frequently Asked Questions
You can check in online through the Aer Lingus website or mobile app. Enter your booking reference and last name, confirm your details, choose seats, and download your boarding pass to print or save on your phone.