Riyad as-SalihinChapter 10Hadith 596
Full Sharh — Riyad as-Salihin 596
وعنه أن رسول الله صلى الله عليه وسلم قال: "العمرة إلى العمرة كفارة لما بينهما، والحج المبرور ليس له جزاء إلا الجنة" ((متفق عليه))
English Translation
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.".
Source
Riyad as-Salihin(رياض الصالحين)
The Book of Hajj
Hadith Number
596