Flighttourist
As RevMan2 has said it looks like you have been looking at baggage costs as opposed to freight costs - have you already booked your flights if so which carrier are you using? It may well be worth looking at airlines that carry freight as well as opposed to just pax and bags, BA, SriLankan, Emirates etc etc (not sure who flies there but I am sure you have already found out!) versus others such as Thomson