Sahih al-Bukhari 2784Book 56, Hadith 3
حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا خَالِدٌ، حَدَّثَنَا حَبِيبُ بْنُ أَبِي عَمْرَةَ، عَنْ عَائِشَةَ بِنْتِ طَلْحَةَ، عَنْ عَائِشَةَ ـ رضى الله عنها ـ أَنَّهَا قَالَتْ يَا رَسُولَ اللَّهِ تُرَى الْجِهَادَ أَفْضَلَ الْعَمَلِ، أَفَلاَ نُجَاهِدُ قَالَ " لَكِنَّ أَفْضَلَ الْجِهَادِ حَجٌّ مَبْرُورٌ ".
(That she said), "O Allah's Messenger (ﷺ)! We consider Jihad as the best deed. Should we not fight in Allah's Cause?" He said, "The best Jihad (for women) is Hajj-Mabrur (i.e. Hajj which is done according to the Prophet's tradition and is accepted by Allah).