My wife and I will be arriving to El Calafate by bus from Puerto Natales on December 8, 2018. Our approximate arrival time is 1pm. We want to go to the Glacier immediately. I saw that there will be bus departing at 1pm but nothing later on Plataforma 10. 1pm departure will be too late for us. Do we have any other option to reach the Glacier without costing an arm and leg?