It wasnarrated from Wahb bin Khanbash that the Messenger of Allah(ﷺ)said:
" 'Umrah during Ramadan is equivalent to Hajj (i.e. inreward)." (PT)
English reference (PT): Vol. 4, Book 25, Hadith 2991 (PT)
Arabic reference (PT): Book 25, Hadith 3105 (PT)