It is narrated from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: Whoever performs Qiran Hajj, one Tawaf is sufficient for both Hajj and Umrah.
Hadith Takhrij«صحيح موقوفا بھذا اللفظ، عبد العزيز الدراوردي حديثه عن عبيد الله بن عمر منكر۔ أخرجه ابن ماجه: 2975، والترمذي: 948، (انظر مسند أحمد ترقيم الرسالة: 5350 ترقیم بيت الأفكار الدولية: 5350»
Brief Explanation
Benefits: … The wording of the narration in Jami’ al-Tirmidhi is as follows: ((Whoever enters into the state of ihram for both Hajj and ‘Umrah together, one tawaf and one sa‘y will suffice for both of them, until he becomes completely released from both.)) … That is, whoever ties the ihram for both Hajj and ‘Umrah together, one tawaf and one sa‘y will suffice for him, and he will be released from both together. Imam al-Albani has declared this hadith to be authentic.