Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī

ذِكْرُ الْبَيَانِ بِأَنَّ الْعُمْرَةَ فِي رَمَضَانَ تَقُومُ مَقَامَ حَجَّةٍ لِمُعْتَمِرِهَا

ibnhibban:3699 – Aḥmad b. al-Ḥasan b. ʿAbd al-Jabbār al-Ṣūfī > Surayj b. Yūnus > Abū Ismāʿīl al-Muʾaddib > Yaʿqūb b. ʿAṭāʾ from his father > Ibn ʿAbbās

[Machine] Umm Sulaym went to the Prophet ﷺ and said, "Abu Talhah and his son have performed Hajj, and they left me behind." The Prophet ﷺ said, "O Umm Sulaym, performing 'Umrah in Ramadan is equivalent to performing Hajj."  

ابن حبّان:٣٦٩٩ – أَخْبَرَنَا أَحْمَدُ بْنُ الْحَسَنِ بْنِ عَبْدِ الْجَبَّارِ الصُّوفِيُّ بِبَغْدَادَ حَدَّثَنَا سُرَيْجُ بْنُ يُونُسَ حَدَّثَنَا أَبُو إِسْمَاعِيلَ الْمُؤَدِّبُ حَدَّثَنَا يَعْقُوبُ بْنُ عَطَاءٍ عَنْ أَبِيهِ عَنِ ابْنِ عَبَّاسٍ قَالَ

جَاءَتْ أُمُّ سُلَيْمٍ إِلَى النَّبِيِّ ﷺ فَقَالَتْ حَجَّ أَبُو طَلْحَةَ وَابْنُهُ وَتَرَكَانِي فَقَالَ «يَا أُمَّ سُلَيْمٍ عُمْرَةٌ فِي رَمَضَانَ تَعْدِلُ حَجَّةً»  

See similar narrations below:

Collected by Ṭabarānī
tabarani:11322 – [Chain 1] Muḥammad b. ʿAbdullāh al-Ḥaḍramī > Muḥammad b. ʿImrān b. Abū Laylá from my father [Chain 2] ʿAbd al-Raḥman b. Salm al-Rāzī > Sahl b. ʿUthmān > ʿAlī b. Mushir > Ibn Abū Laylá > ʿAṭāʾ > Ibn ʿAbbās

[Machine] Umm Sulaim came to the Prophet ﷺ and said, "O Messenger of Allah, Abu Talha and his son performed Hajj, leaving me behind." He replied, "O Umm Sulaim, performing Umrah during Ramadan is equivalent to performing Hajj."  

الطبراني:١١٣٢٢ – حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ اللهِ الْحَضْرَمِيُّ ثنا مُحَمَّدُ بْنُ عِمْرَانَ بْنِ أَبِي لَيْلَى حَدَّثَنِي أَبِي ح وَحَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ سَلْمٍ الرَّازِيُّ ثنا سَهْلُ بْنُ عُثْمَانَ ثنا عَلِيُّ بْنُ مُسْهِرٍ عَنِ ابْنِ أَبِي لَيْلَى عَنْ عَطَاءٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

جَاءَتْ أُمُّ سُلَيْمٍ إِلَى النَّبِيِّ ﷺ فَقَالَتْ يَا رَسُولَ اللهِ إِنَّ أَبَا طَلْحَةَ وَابْنَهُ حَجَّا عَلَى ناضحِهما وَتَرَكَانِي فَقَالَ «يَا أُمَّ سُلَيْمٍ إِنَّ عُمْرَةً فِي رَمَضَانَ تُجْزِئُ مِنْ حَجَّةٍ»