Originally Posted by
zen100
Yes, I would expect that the infant isn't factored in at all when calculating the tier points.
If 1 parent and 1 infant is travelling on the same ticket, I would expect the parent to receive all the tier points for that ticket, including any fare/surcharges element of the 10% extra for the infant.
However, if BA were really harsh, the adult would only get 50% of the total price paid as tier points, as the infant is considered a passenger on the ticket, but can't claim the tier points.
Also, side tracking, but do infants get tier points if they are booked into their own seat vs being a lap-infant?
Why would you not just book the 10pc infant fare separately on a standalone basis? (I did that when making an Avios booking myself, albeit 10 years ago)