Jetstar has announced it will charge passengers to stow carry-on luggage in overhead lockers from next year, allowing only a small under-seat bag at no extra cost.The budget airline is set to scrap its free 7 kilogram carry-on allowance from February 2027, in a move it says is in line with other low-fare carriers globally.The changes will see all bookings allow one small bag such as a backpack, handbag or laptop bag to be stored under the seat, while extra carry-on luggage will cost at least $25 per flight.In a statement, Jetstar said feedback had shown that having bags weighed at the gate and struggling to find room in overhead lockers were "the more stressful parts of the airport experience"."We know that weighing carry-on bags at the gate can be frustrating for our customers and for our crew," Jetstar chief executive Stephanie Tully said.Ms Tully said the changes would allow for better use of overhead locker space, streamline boarding and help more flights depart on time."You only pay for what you need There are no changes to Jetstar's checked baggage fees.Reactions to the incoming changes were mixed at Brisbane Airport this morning, with one traveller saying it was "a bad model" and another hoping it would lower fares for those who travelled light.Lynton Jones, owner of travel agency The Savvy Traveller, said while priority boarding was one positive to take from the changes, he did not believe it would result in faster boarding."I think it also takes a bit of the angst out of waiting around wondering if your bag will be weighed and then whether you'll be charged or have to check it," he said."But from the response we've received so far asking this question — [it's] not positive