Ibn 'Umar was asked: How many times did the Messenger of Allah (ﷺ) perform 'Umrah ? He said: Twice. 'Aishah said: Ibn 'Umar knew that the Messenger of Allah (ﷺ) performed three 'Umrahs in addition to the one he combined with the Farewell Pilgrimage.
Sunan Abi Dawud Book 11, Hadith 272
← Previous Hadith The Messenger of Allah (ﷺ) performed two umrahs: one umrah in Dhul-Qa'dah, and the other in Shawwal.

Sunan Abi Dawud Book 11, Hadith 271 Next Hadith → The Messenger of Allah (ﷺ) performed four umrahs, viz. umrah al-Hudaybiyyah; the second is the one when they (the Companions) were agreed upon performing umrah next year; the third is umrah performed from al-Ji'ranah; the fourth is the one which he combined with his hajj.

Sunan Abi Dawud Book 11, Hadith 273