Riyad as-Saliheen 1278
Ibn 'Abbas (May Allah be pleased with them) reported:
The Prophet ﷺ said, "(The performance of) 'Umrah during Ramadan is equal to Hajj (pilgrimage)." Or said, "Equal to the performance of Hajj with me."
[Al-Bukhari and Muslim].
وعن ابن عباس رضي الله عنهما، أن النبي ﷺ قال:
"عمرة في رمضان تعدل عمرة أو حجة معي". ((متفق عليه))
Classification
Sahih (Authentic)
References
Riyad as-Saliheen 1278
Riyad as-Saliheen Book of Hajj, Hadith 8