Originally Posted by ba273

It is a fixed price for the number of continents you want to visit, the variable is your taxes depending on where you go, but there is a brilliant tool on the one world website, where you just pick your destinations, it tells you what flights and check availability for you and at the end gives you an estimate of the cost.

You need to read the rules, as you can only have four flights within a continent, except the usa where it's 6. There's rules on code shares etc. But the tool i mention should help you lots. But post any routes and questions on the one world forum and you'll get loads of help.