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.
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nasai-kubra:2431 – ʿImrān b. Yazīd b. Khālid > Shuʿayb > Ibn Jurayj > ʿAṭāʾ > Ibn ʿAbbās Yukhbirunā

"The Messenger of Allah said to a woman from among the Ansar: 'When it is Ramadan, perform 'Umrah then, for 'Umrah during it is equivalent to Hajj." (Using translation from Nasāʾī 2110)  

الكبرى للنسائي:٢٤٣١ – أَخْبَرَنِي عِمْرَانُ بْنُ يَزِيدَ بْنِ خَالِدٍ قَالَ حَدَّثَنَا شُعَيْبٌ قَالَ أَخْبَرَنِي ابْنُ جُرَيْجٍ قَالَ أَخْبَرَنِي عَطَاءٌ قَالَ سَمِعْتُ ابْنَ عَبَّاسٍ يُخْبِرُنَا قَالَ

قَالَ نَبِيُّ اللهِ ﷺ لِامْرَأَةٍ مِنَ الْأَنْصَارِ «إِذَا كَانَ رَمَضَانُ فَاعْتَمِرِي فِيهِ فَإِنَّ عُمْرَةً فِيهِ تَعْدِلُ حَجَّةً»  

See similar narrations below:

Collected by Nasāʾī, Suyūṭī
nasai:2110 – ʿImrān b. Yazīd b. Khālid > Shuʿayb > Ibn Jurayj > ʿAṭāʾ > Ibn ʿAbbās Yukhbirunā

"The Messenger of Allah said to a woman from among the Ansar: 'When it is Ramadan, perform 'Umrah then, for 'Umrah during it is equivalent to Hajj."  

النسائي:٢١١٠ – أَخْبَرَنَا عِمْرَانُ بْنُ يَزِيدَ بْنِ خَالِدٍ قَالَ حَدَّثَنَا شُعَيْبٌ قَالَ أَخْبَرَنِي ابْنُ جُرَيْجٍ قَالَ أَخْبَرَنِي عَطَاءٌ قَالَ سَمِعْتُ ابْنَ عَبَّاسٍ يُخْبِرُنَا قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ لاِمْرَأَةٍ مِنَ الأَنْصَارِ إِذَا كَانَ رَمَضَانُ فَاعْتَمِرِي فِيهِ فَإِنَّ عُمْرَةً فِيهِ تَعْدِلُ حَجَّةً  

suyuti:2527a –

"The Messenger of Allah said to a woman from among the Ansar: 'When it is Ramadan, perform 'Umrah then, for 'Umrah during it is equivalent to Hajj." (Using translation from Nasāʾī 2110)   

السيوطي:٢٥٢٧a –

"إذا كانَ رمضانُ فاعْتمرِى فيه، فإنَّ عُمْرةً فيه تَعْدِلُ حجَّةً".  

[ن] النسائي عن ابن عباس