You can check in for free at the airport 3 hours before departure.

Online check-in on flights from Barcelona and Paris is subject to Iberia's terms and conditions, i.e. it starts 24 hours before departure. You can print your boarding pass or leave it on your mobile phone.

Online check-in on routes to and from Vienna is subject to Vueling's terms and conditions, i.e. it starts 7 days before departure, if you buy a specific seat then your boarding passes are veggied directly at the time of purchase.