Abu Hurairah (May Allah be pleased with him) reported:
The Messenger of Allah (ﷺ) said, "(The performance of) 'Umrah is an expiation for the sins committed between it and the previous 'Umrah; and the reward of Hajj Mabrur (i.e., one accepted) is nothing but Jannah."[Al-Bukhari and Muslim]. (DE)
App reference (DE): Book 11, Hadith 5 (DE)
Arabic/English book reference (DE): Book 11, Hadith 1275 (DE)