The cheapest 4-year college in the USA for in-state students is the University of the People, whereas for out-of-state students, the cheapest 4-year college in the USA is CUNY Lehman College, which has a net price of $2,327 per year. According to Education Corner, the top inexpensive four-year institutions in the United States include California State University, University of Texas, California State University, City College of New York, Dalton State College, Queens College of the CUNY, and others.