Sunan Ibn Majah
2888
Sahih+3

It was narrated from Abu Hurairah that the Prophet (ﷺ) said:“From one ‘Umrah to another is an expiation for the sins that came in between them, and Hajj Mabrur (an accepted Hajj) brings no less a reward than Paradise.”

SahihAl-Albani
SahihMuhammad Fouad Abd al-Baqi