Sunan Abi Dawud — The Rites of Hajj (Kitab Al-Manasik Wa'l-Hajj) — Hadith No: 1992
Translation
Mujahid said: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