It was
narrated from Ibn ‘Umar that the Messenger of Allah (ﷺ)
said:
"It
is not an act of righteousness to fast while traveling."
Reference: 1665English reference: Vol. 1, Book 7, Hadith 1665Arabic reference: Book 7, Hadith 1734In-book reference: Book 7, Hadith 28Grade: Sahih (Darussalam)Read this hadith from Darussalam Collection
حَدَّثَنَا مُحَمَّدُ بْنُ الْمُصَفَّى الْحِمْصِيُّ، حَدَّثَنَا مُحَمَّدُ بْنُ حَرْبٍ، عَنْ عُبَيْدِ اللَّهِ بْنِ عُمَرَ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ . " لَيْسَ مِنَ الْبِرِّ الصِّيَامُ فِي السَّفَرِ "
