Originally Posted by
JFX1764
If you paid cash, how much of a discount was the child ticket in F over the adult ticket? Is that saving larger than the extra you are paying to have an adult in economy?
A quick check on LHR/JFK puts the difference at nearly £900. A significant sum. Does sound like the OP may be trying to play the system here. I would be interested to know by what means they booked the flights originally to come up with this.