EIAer Lingus (EI)
Ireland
Everything you need to know about flying with Aer Lingus. Check-in deadlines, boarding times, and expert tips to make your Aer Lingus flight smooth and stress-free.
Check-in & Boarding Timeline
Online Check-in
Airport Check-in
Boarding
Airport-Specific Exceptions
At London Heathrow, for international flights, check-in desk opens about 3 hours before departure.
Travel Tips
Arrive early and adhere to minimum time requirements, especially at major airports and for long-haul flights. Missing check-in or boarding deadlines results in denied travel with no refund.
For early morning flights (departing 05:30–08:00 from Dublin or Cork), Aer Lingus offers evening-before check-in and bag drop from 16:00–19:45.
Use online check-in and mobile boarding passes where possible for faster processing. Mobile boarding passes are accepted at major airports, notably Dublin and London Heathrow.
Frequently Asked Questions
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