It wasnarrated from 'Abdur-Rahman bin 'Awf that the Messenger ofAllah(ﷺ) said:
"The one who fasts Ramadan while traveling is likeonewho breaks his fast when not traveling." (DE)
English reference (DE): Vol. 1, Book 7, Hadith 1666 (DE)
Arabic reference (DE): Book 7, Hadith 1735 (DE)