Onana has signed a five-year contract with Manchester United and will be the club’s first-choice goalkeeper, replacing David de Gea, who departed the club at the end of last month when his contract expired.
The Cameroonian international only joined Inter last summer on a free transfer from Ajax, where he made 214 appearances.
According to Sky Sports, United has agreed to pay Inter an initial cost of €51 million (£43.8 million) for Onana, plus €4 million (£3.4 million) in potential add-ons based on individual and club success.
However, his signing means Matej Kovar’s brief stint as first-choice goalkeeper is over, despite keeping two clean sheets in pre-season friendlies against Leeds and Lyon.
Manchester United has decided to sell Matej Kovar.
According to BBC’s Simon Stone, United expected Kovar to be loaned out since the Czech Republic goalkeeper was judged surplus to requirements.
After being omitted from the latest leg of United’s pre-season tour, the writing was on the wall. However, his temporary departure may leave United short of goalkeepers, since Dean Henderson is also scheduled to leave the club this summer on a permanent deal to Nottingham Forest.
Unless Ten Hag is able to secure a deal for Urawa Reds keeper Zion Suzuki, that would leave 37-year-old Tom Heaton as the club’s only senior goalkeeper.