A woman travelling with a Mahram for Hajj and other purposes Sahih Muslim 1339 a

Arabic hadith text
حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا لَيْثٌ، عَنْ سَعِيدِ بْنِ أَبِي سَعِيدٍ، عَنْ أَبِيهِ، أَنَّ أَبَا هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏لاَ يَحِلُّ لاِمْرَأَةٍ مُسْلِمَةٍ تُسَافِرُ مَسِيرَةَ لَيْلَةٍ إِلاَّ وَمَعَهَا رَجُلٌ ذُو حُرْمَةٍ مِنْهَا ‏"
Translation
Abu Huraira (Allah be pleased with him) reported Allah's Messenger (ﷺ) as saying

It is not lawful for a Muslim woman to travel a night's journey except when there is a Mahram with her.