The 33-year-old signed a loose contract this week with the Premier League club, but announced his hopes for when he left Old Trafford.
The experienced striker joined the deadline as Man United sought to save a disappointing window.
He was one of four last-minute recruits and temporarily joined through Alex Telles, Facundo Pellistri and Amad Traoré.
Cavani, who left Paris Saint-Germain this summer after a seven-year stay in the capital, a guy wanted on arrival in Manchester.
The Uruguayan attracted from Boca Juniors, and Cavani even spoke to Vice President Juan Román Riquelme.
And after his time at United, the striker indicated that the Argentine club may be only a destination.
He told ESPN: “Roman wrote to me with great respect, I was looking to know how I was in this situation, with a very express salary and we had a very respectful interview.
“Boca is one of the world, any footballer would like to play there. There were several Uruguayans who played there. Following the history of our football arouses a little curiosity.
“There are some secrets of verbal exchange with Roman, you have to ask him if he should tell them.
“We’ll see what happens in the future. It would be great to be able to play in Boca someday. “
Although Argentina may be in the future, Cavani insists that lately it is focusing on ole Gunnar Solskjaer’s team.
“I have a two-year contract with Manchester United. I have to do my thing here. I feel good. “
“The day I return to South America will be the day I have something left to give. I’m a realist, I need to play until I feel good. I’ll play those two years and see if I follow or if ” Step back to South America.
The Red Devils’ first game after the foreign break is newcastle, in which Cavani will not be able to participate due to his two-week quarantine under Covid’s rules.
This means that the striker faces the prospect of making his debut against his former club United against PSG in the Champions League.
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