The country’s Ministry of Culture has traditionally put permits on sale for the popular tourist route in January for travel in the same year, but will next week release all permits for 2018 on Monday, October 2.
Only 500 permit holders are allowed on the route per day - including guides and porters.
As a result of the change, Tucan is anticipating demand being “much higher” and permits selling out faster than ever before.
The company, which has operated in Peru for more than 30 years, is running the launch discount throughout October for its Worldwide Adventures 2018/19 brochure, which will hit shelves from Monday.