1. Khuda Hafiz (خداحافظ): This is the most common way to say goodbye in Urdu. It literally means "May God protect you."
2. Allah Hafiz (اللہ حافظ): This is another way to say goodbye that is similar to Khuda Hafiz. It also means "May God protect you."
3. Assalamualaikum (السلام علیکم): This is a greeting that is used both as a hello and a goodbye. It literally means "Peace be upon you."
4. Walaikumassalam (وعلیکم السلام): This is the response to Assalamualaikum. It literally means "And peace be upon you too."
5. Alvida (الوداع): This is a less common way to say goodbye in Urdu. It is borrowed from the Arabic word "wida'a" which means "farewell."
6. Bye (بائی): This is an informal way to say goodbye in Urdu. It is borrowed from the English word "bye."