It wasnarrated from Talhah bin 'Ubaidullah that he heard theMessenger ofAllah (ﷺ) say:
"Hajj is Jihad and 'Umrah is voluntary." (ID)
English reference (ID): Vol. 4, Book 25, Hadith 2989 (ID)
Arabic reference (ID): Book 25, Hadith 3103 (ID)