(17) باب التَّخْيِيرِ فِي الصَّوْمِ وَالْفِطْرِ فِي السَّفَرِ
'A'isha (Allah be pleased with her) reported that Hamza b. 'Amr al-Aslami asked the Messenger of Allah (ﷺ) about fasting on a journey, and he (the Holy Prophet) said:
Fast if you like and break it if you like. (ES)
Reference (ES): Sahih Muslim 1121 a (ES)
In-book reference (ES): Book 13, Hadith 131 (ES)
USC-MSA web (English) reference(deprecated numbering scheme): Book 6, Hadith 2487 (ES)