أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، عَنْ مَالِكٍ، عَنْ سُمَىٍّ، عَنْ أَبِي صَالِحٍ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " الْعُمْرَةُ إِلَى الْعُمْرَةِ كَفَّارَةٌ لِمَا بَيْنَهُمَا وَالْحَجُّ الْمَبْرُورُ لَيْسَ لَهُ جَزَاءٌ إِلاَّ الْجَنَّةُ " .
It was narrated that abnu Hurairah said: "The Messenger of Allah said: 'from one 'Umrah to another is an expiation for what comes in between, and Hajj al-Mabrur brings no reward less than Paradise.'''(sahih) Translation Not Available
Book Ref: Sunan An Nisai Book 24 Hadith 2629
Web Ref: Sunan An Nisai Vol 3 Book 24 Hadith 2630