Sayyidah Aishah (may Allah be pleased with her) said that Hamzah bin Amr al-Aslami (may Allah be pleased with him) said: O Messenger of Allah, may I fast on a journey? He used to fast a great deal. So the Messenger of Allah (peace and blessings be upon him) said: "If you wish, fast; and if you wish, break your fast."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8156
Sayyiduna Hamzah bin Amr al-Aslami (may Allah be pleased with him) asked the Messenger of Allah (peace and blessings be upon him): O Messenger of Allah, I am a man who fasts continuously; may I fast on a journey? He (peace and blessings be upon him) said: "Fast if you wish, and break your fast if you wish."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8157
Sayyiduna Hamzah bin Amr al-Aslami (may Allah be pleased with him) said: I said to the Messenger of Allah (peace and blessings be upon him): I find myself strong enough to fast on a journey; is there any sin upon me? So the Messenger of Allah (peace and blessings be upon him) said: "It is a concession from Allah, the Blessed and Exalted. Whoever takes it has done well, and whoever prefers to fast, there is no sin upon him."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8158
Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) said that the Messenger of Allah (peace and blessings be upon him) travelled in Ramadan and fasted until he reached Usfan; then he (peace and blessings be upon him) called for a vessel of water and drank it during the day so that the people could see him, and he (peace and blessings be upon him) broke his fast until he reached Makkah. The narrator said: Sayyiduna Ibn Abbas (may Allah be pleased with them both) used to say: The Messenger of Allah (peace and blessings be upon him) fasted on journeys and also broke the fast; so whoever wishes may fast, and whoever wishes may not.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8160
Sayyiduna Anas bin Malik (may Allah be pleased with him) said: We travelled with the Messenger of Allah (peace and blessings be upon him) in Ramadan, and no fasting person found fault with one who was not fasting, nor did one who was not fasting find fault with a fasting person.
In a narration of Abu al-Husayn: Some of us were fasting and some were not fasting, but the fasting one did not find fault with the one not fasting, nor the one not fasting with the fasting one.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8161
Humayd al-Tawil (may Allah have mercy on him) said: Sayyiduna Anas (may Allah be pleased with him) was asked about fasting on a journey, and he said: We travelled with the Messenger of Allah (peace and blessings be upon him) in Ramadan, and none of us who was fasting found fault with one who was not fasting, nor did one who was not fasting find fault with one who was fasting.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8162
Abu Khalid al-Ahmar narrated from Humayd, who said: I set out while fasting, and they said to me: "Repeat it (make it up)." I said: Sayyiduna Anas (may Allah be pleased with him) informed me that the Companions of the Prophet (peace and blessings be upon him) used to travel, and no fasting person found fault with one who was not fasting, nor one who was not fasting with a fasting person. Then I met Ibn Abi Mulaykah, and he narrated to me the like of it from Sayyidah Aishah (may Allah be pleased with her).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8163
It is narrated from Sayyiduna Abu Sa'id al-Khudri and Sayyiduna Jabir bin Abdullah (may Allah be pleased with them both) that they were with him (peace and blessings be upon him) on a journey: the one fasting would fast and the one not fasting would break his fast, but no fasting person found fault with one not fasting, nor did one not fasting find fault with a fasting person.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8164
Sayyiduna Anas bin Malik (may Allah be pleased with him) said: It happened that he (peace and blessings be upon him) was travelling in Ramadan, and he (peace and blessings be upon him) fasted; and at times it happened that he (peace and blessings be upon him) was travelling in Ramadan, and he (peace and blessings be upon him) broke the fast.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8165
Abu al-Fayd said: I was on a military campaign in Syria, and Maslamah bin Abd al-Malik gave a sermon and said: Whoever fasted Ramadan on a journey should make it up. So I asked Abu Qirsafah (may Allah be pleased with him), a man from among the Companions of the Messenger of Allah (peace and blessings be upon him), and he said: "Even if I fasted, then fasted again" — and he counted up to ten — "I would not make it up."
It is narrated from Sayyiduna Abd al-Rahman bin Awf (may Allah be pleased with him) that he said: "The one who fasts on a journey is like the one who does not fast while resident." This is mawquf (a Companion's saying), and its chain is broken (munqati'); it is also narrated as marfu' (from the Prophet), but its chain is da'if (weak).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8166