Sahih Bukhari
Pilgrimmage (Hajj)
Volume: 002 / Book Number: 026 / Hadith Number: 595
Narrated 'Aisha:
(the mother of the faithful believers) I said, "O Allah's Apostle! We consider Jihad as the best deed." The Prophet said, "The best Jihad (for women) is Hajj Mabrur. "