But... the OP is looking to do this in J on awards.
Originally Posted by
ijgordon
D'oh, I missed that part. But I think a 1.5 yr old is unequivocally NOT an "infant"

Just put him in a car seat in J; it will be better for everyone.
Just to make sure you're aware, a lap child on an international flight has to pay 10% of the adult fare. So taking him in F is likely to cost > $1,000.