Jami` at-Tirmidhi 939
جامع الترمذي#939SahihUmm Ma'qil narrated that:The Prophet said: "Umrah during Ramadan is equal to Hajj
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 9:132