I'm travelling to Málaga in Sept with aer Lingus, I booked flights ages ago and went online last night with the intention to pay extra to reserve our seats together but I couldn't do it! Seems if your flying with an infant you can't book seats online. My question is will I ring and pay extra and book seats or would I have a chance of getting seats together if I wait till 30hrs checking in window and get the seats for free? I would need 2 seats together and an other 3 together also