It is narrated from Sayyiduna Umar (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Perform Hajj and Umrah consecutively, for indeed their succession removes poverty and sins just as the furnace removes impurities from iron."
Hadith Referenceمسند احمد / مسند الخلفاء الراشدين / 167
Hadith Gradingحکم دارالسلام:صحيح لغيره، وهذا إسناد ضعيف لضعف عاصم بن عبيد الله