You should utilize Cruz del Sur to lookup bus schedules and costs. Keep in mind that any journey with the mountains might be a sluggish trip! Lima to Cusco can take over 21 hours and expenses 185 PEN, although you may get a ticket for as low as 39 PEN https://peru-travel-advice23344.pointblog.net/travel-perú-can-be-fun-for-anyone-72640995