It is narrated from Hazrat Ibn Khnabash Tai (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: Performing Umrah in Ramadan is equal to Hajj.
Hadith Referenceمسند احمد / مسند الشاميين / 17599
Hadith Gradingحکم دارالسلام:حديث صحيح، وهذا إسناد ضعيف لضعف داود الزعافري، لكنه توبع
It is narrated from Hazrat Ibn Khnabash Tai (may Allah be pleased with him) that once I was sitting in the company of the Prophet (peace and blessings be upon him) when a woman came and said, "O Messenger of Allah! In which month should I perform Umrah?" The Prophet (peace and blessings be upon him) said, "Perform Umrah in the month of Ramadan, for performing Umrah in Ramadan is equal to Hajj."
Hadith Referenceمسند احمد / مسند الشاميين / 17600
Hadith Gradingحکم دارالسلام:حديث صحيح، وهذا إسناد ضعيف لضعف داود الأودي، وأخطأ داود فى تسمية الصحابي فسماه هرما، والجادة وهب
It is narrated from Hazrat Ibn Khnabash Tai (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: Performing Umrah in Ramadan is equal to Hajj.