Purchasing a round the world airfare can be cheaper than travelling to certain destinations at certain times of the year but there is no hard and fast rule. Sometimes due to availability of seats on around the world tickets can be cheaper than purchasing tickets to Australia of the US. See our cost comparison for more information. One thing is for sure; round the world airfare s deliver much better value than point to point fares due to their flexibility, no seasonal surcharges and the overall cost per flight.