The most inexpensive time to book flights is approximately seven weeks for short haul flights whereas you want to go searching 18 weeks earlier for long - haul destinations. (greyworldnomads.com)
Given the way the earn tables are structured, there changes tend to effect passengers on the cheaper tickets on short haul flights. (austravelpoints.com)
However, it did improve on the points cost of short haul flights. (richmondsavers.com)