Aeroplan - Flat Fee per booking $50 (coach), $100 (Business), $125 (First)
All the these prices are CAD. Plus tax. - or can use miles (bus was 10k so assume @ 100/$1 for any)
Alaska Mileage Plan- Does not issue infant tickets.
American - 10% of full fare
British Airways - Taxes and 10% of miles
Lufthansa/Miles & More - Taxes (Usually $17.50)
United - 10% of full fare
US Airways - 10% of full fare
singapore- 10% of full fare (when flying Sq you could find a date showing a discounted fare)
ANA?
IB - 10% Full fare
Asiana- 10% of the adult
mileage ticket, plus taxes & fees