There is no charge forcheck-in at IbeiraAirport. On European flights, check-in starts 2 hours and ends 40 minutes before departure, while on long-haul flights, check-in is usually 3 hours before departure.
Online check-in, including mobile check-in, is available 1-24 hours before departure. Either print your boarding pass or leave it on your mobile phone and scan the barcode at the airport (may not be possible at all airports).
Can I only check in with Iberia Airlines 24 hours before departure as I have bought my seats in advance?
Iberia offers 24-hour online check-in as standard for all passengers. You can also check in at the airport for free.