Visa requirements for Ukrainian citizens
For traveling to certain countries, Ukrainians do not need to use a passport, as they may use their Ukrainian identity card or internal passport.
Documents which give the right to leave Ukraine and to enter Ukraine and certify the identity of a citizen of Ukraine while staying abroad are:It's important to know, that the special rules of arriving in a particular country should be studied carefully. Thus, in most countries that do not require visas or issue visas, upon arrival you must have a passport, which is valid for at least 3 months from of arrival to this country.
Visa policy of Uruguay
Holders of passports of the following 85 jurisdictions can visit Uruguay without a visa for up to 90 days (unless otherwise stated and extendable once except for the citizens of Argentina and Russia):
Visa is not required for airline crew members, and citizens of any country who were born in Uruguay as per their travel document.