It was narrated from Ka’b bin ‘Asim that the Messenger of Allah (ﷺ) said: ‘It is not an act of righteousness to fast while traveling.”
It was narrated from Ibn ‘Umar that the Messenger of Allah (ﷺ) said: It is not an act of righteousness to fast while traveling.
It was narrated from ‘Abdur-Rahman bin ‘Awf that the Messenger of Allah (ﷺ) said: “The one who fasts Ramadan while traveling is like one who breaks his fast when not traveling.”