It depends on your country of origin and/or citizenship status. Travelers from 102 countries and territories, including the USA, Canada, the U.K., New Zealand, Australia, and most European countries, can enter Colombia visa-free as tourists. You will need a valid passport, a Negative Covid test or proof of vaccination, and a Visa (depending on where you are from). Colombian Migration Document, you get it 24 hrs before your flight. You can learn more about the travel requirements for Colombia here.