Al-Kāfi

Hadith 532
fastingtravel-prayerexpiation
4ـ حُمَيْدُ بْنُ زِيَادٍ عَنِ الْحَسَنِ بْنِ مُحَمَّدِ بْنِ سَمَاعَةَ عَنْ غَيْرِ وَاحِدٍ عَنْ أَبَانِ بْنِ عُثْمَانَ عَنْ أَبِي الْعَبَّاسِ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ السَّلاَم) فِي الرَّجُلِ يُسَافِرُ وَمَعَهُ جَارِيَةٌ فِي شَهْرِ رَمَضَانَ هَلْ يَقَعُ عَلَيْهَا قَالَ نَعَمْ.
4. Humayd ibn Ziyad has narrated from al-Hassan ibn Muhammad ibn Sama‘ah from more than one person from Aban ibn ‘Uthman from abu al-‘Abbas who has said the following: “This is about a man who experiences sexual relation with a slave-girl while on a journey in the month of Ramadan. Abu ‘Abd Allah (a.s.), has said, ‘It is not harmful.’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī