Just to let anyone interested know you can buy a seat for an infant between 6mths and 2 yrs. I didn't know this when booking a trip and only found out recently. You can bring your own car seat and the infant travels in this strapped into the plane seat. I think this is brilliant as it will make the journey much easier. Just wanted to let anyone that this would help know. I had difficulty getting the airline to do it as I was told by their own sales agents that they couldn't do it and it was only on the third call that someone went and actually checked. Ended up costing twice the price of the rest of our tickets because we didn't know at the time we were booking originally so this might be of help to someone out there.