Coming to the cost of attendance, students need to understand that the tuition fee is just a single aspect of the expenses that come under the overall cost of attending the university. There are several other expenses that are involved in the cost of attending the university, which primarily includes housing, dining, textbooks, supplies, and the cost of living. What's more, at Alliant International University-San Diego, the total tuition and fees for the enrolled students come out to be around $19,484 in a year. In addition, the students will be needed to pay an average expense of $1,125 for books and supplies, $15,080 toward room and boarding, and $5,692 for different other expenses in a year. Therefore, the estimated cost of attendance for one year at AIUSD is around $37,624, as per the available information.